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<html lang="en"><head><meta charset="utf-8" /><style>
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</style><title>SRFI Table</title></head><body><h1>SRFI Table</h1><p>Please submit your corrections, suggestions, ideas and requests to the <a href="https://github.com/SchemeDoc/srfi-metadata"><code>srfi-metadata</code></a> repo.</p><br /><table class="legend"><tr><td><tr><td class="text"><b>Support</b></td><td class="text"></td></tr><tr><td class="release">✓</td><td class="text">Supported in latest release</td></tr><tr><td class="head">✓</td><td class="text">Supported in pre-release version</td></tr><tr><td class="external">✓</td><td class="text">Supported by third-party library*</td></tr></td><td><tr><td class="text"><b>SRFI status</b></td><td class="text"></td></tr><tr><td class="draft"> </td><td class="text">Draft</td></tr><tr><td class="final"> </td><td class="text">Final</td></tr><tr><td class="superseded"> </td><td class="text">Superseded</td></tr><tr><td class="withdrawn"> </td><td class="text">Withdrawn</td></tr></td></tr></table><br /><table class="main"><thead><tr><th>SRFI</th><th>Bigloo</th><th>Chez</th><th>Chibi</th><th>CHICKEN</th><th>Gambit</th><th>Gauche</th><th>Gerbil</th><th>Guile</th><th>Iron</th><th>Kawa</th><th>Loko</th><th>MIT</th><th>Racket</th><th>Sagittarius</th><th>STKlos</th><th>Tiny</th><th>TR7</th><th>Unsyntax</th><th>Ypsilon</th><th>SLIB</th><th>Snow-Fort</th><th>SRFI</th></tr></thead><tbody><tr class="0" title="Feature-based conditional expansion construct [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-0/srfi-0.html">0</a></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-0/srfi-0.html">0</a></td></tr><tr class="1" title="List Library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-1/srfi-1.html">1</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-1/srfi-1.html">1</a></td></tr><tr class="2" title="AND-LET*: an AND with local bindings, a guarded LET* special form [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-2/srfi-2.html">2</a></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-2/srfi-2.html">2</a></td></tr><tr class="3" title="List-Set Library [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-3/srfi-3.html">3</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-3/srfi-3.html">3</a></td></tr><tr class="4" title="Homogeneous numeric vector datatypes [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-4/srfi-4.html">4</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-4/srfi-4.html">4</a></td></tr><tr class="5" title="A compatible let form with signatures and rest arguments [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-5/srfi-5.html">5</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-5/srfi-5.html">5</a></td></tr><tr class="6" title="Basic String Ports [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-6/srfi-6.html">6</a></td><td class="release">✓</td><td 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class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-7/srfi-7.html">7</a></td></tr><tr class="8" title="receive: Binding to multiple values [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-8/srfi-8.html">8</a></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-8/srfi-8.html">8</a></td></tr><tr class="9" title="Defining Record Types [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-9/srfi-9.html">9</a></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-9/srfi-9.html">9</a></td></tr><tr class="10" title="#, external form [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-10/srfi-10.html">10</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-10/srfi-10.html">10</a></td></tr><tr class="11" title="Syntax for receiving multiple values [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-11/srfi-11.html">11</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-11/srfi-11.html">11</a></td></tr><tr class="12" title="Exception Handling [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-12/srfi-12.html">12</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-12/srfi-12.html">12</a></td></tr><tr class="13" title="String Libraries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-13/srfi-13.html">13</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-13/srfi-13.html">13</a></td></tr><tr class="14" title="Character-set Library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-14/srfi-14.html">14</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-14/srfi-14.html">14</a></td></tr><tr class="15" title="Syntax for dynamic scoping [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-15/srfi-15.html">15</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td 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[final]"><td class="final"><a href="https://srfi.schemers.org/srfi-17/srfi-17.html">17</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-17/srfi-17.html">17</a></td></tr><tr class="18" title="Multithreading support [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-18/srfi-18.html">18</a></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td 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class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-19/srfi-19.html">19</a></td></tr><tr class="20" title="Simple object system [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-20/srfi-20.html">20</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-20/srfi-20.html">20</a></td></tr><tr class="21" title="Real-time multithreading support [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-21/srfi-21.html">21</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-21/srfi-21.html">21</a></td></tr><tr class="22" title="Running Scheme Scripts on Unix [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-22/srfi-22.html">22</a></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-22/srfi-22.html">22</a></td></tr><tr class="23" title="Error reporting mechanism [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-23/srfi-23.html">23</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-23/srfi-23.html">23</a></td></tr><tr class="24" title="Define-syntax in local lexical scopes [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-24/srfi-24.html">24</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-24/srfi-24.html">24</a></td></tr><tr class="25" title="Multi-dimensional Array Primitives [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-25/srfi-25.html">25</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-25/srfi-25.html">25</a></td></tr><tr class="26" title="Notation for Specializing Parameters without Currying [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-26/srfi-26.html">26</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-26/srfi-26.html">26</a></td></tr><tr class="27" title="Sources of Random Bits [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-27/srfi-27.html">27</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-27/srfi-27.html">27</a></td></tr><tr class="28" title="Basic Format Strings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-28/srfi-28.html">28</a></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-28/srfi-28.html">28</a></td></tr><tr class="29" title="Localization [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-29/srfi-29.html">29</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-29/srfi-29.html">29</a></td></tr><tr class="30" title="Nested Multi-line Comments [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-30/srfi-30.html">30</a></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-30/srfi-30.html">30</a></td></tr><tr class="31" title="A special form `rec' for recursive evaluation [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-31/srfi-31.html">31</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-31/srfi-31.html">31</a></td></tr><tr class="32" title="Sort Libraries [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-32/srfi-32.html">32</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-32/srfi-32.html">32</a></td></tr><tr class="33" title="Integer Bitwise-operation Library [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-33/srfi-33.html">33</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-33/srfi-33.html">33</a></td></tr><tr class="34" title="Exception Handling for Programs [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-34/srfi-34.html">34</a></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-34/srfi-34.html">34</a></td></tr><tr class="35" title="Conditions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-35/srfi-35.html">35</a></td><td class="no"></td><td class="external">✓</td><td class="head">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-35/srfi-35.html">35</a></td></tr><tr class="36" title="I/O Conditions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-36/srfi-36.html">36</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-36/srfi-36.html">36</a></td></tr><tr class="37" title="args-fold: a program argument processor [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-37/srfi-37.html">37</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-37/srfi-37.html">37</a></td></tr><tr class="38" title="External Representation for Data With Shared Structure [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-38/srfi-38.html">38</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-38/srfi-38.html">38</a></td></tr><tr class="39" title="Parameter objects [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-39/srfi-39.html">39</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-39/srfi-39.html">39</a></td></tr><tr class="40" title="A Library of Streams [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-40/srfi-40.html">40</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-40/srfi-40.html">40</a></td></tr><tr class="41" title="Streams [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-41/srfi-41.html">41</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-41/srfi-41.html">41</a></td></tr><tr class="42" title="Eager Comprehensions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-42/srfi-42.html">42</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-42/srfi-42.html">42</a></td></tr><tr class="43" title="Vector library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-43/srfi-43.html">43</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-43/srfi-43.html">43</a></td></tr><tr class="44" title="Collections [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-44/srfi-44.html">44</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-44/srfi-44.html">44</a></td></tr><tr class="45" title="Primitives for Expressing Iterative Lazy Algorithms [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-45/srfi-45.html">45</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-45/srfi-45.html">45</a></td></tr><tr class="46" title="Basic Syntax-rules Extensions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-46/srfi-46.html">46</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-46/srfi-46.html">46</a></td></tr><tr class="47" title="Array [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-47/srfi-47.html">47</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-47/srfi-47.html">47</a></td></tr><tr class="48" title="Intermediate Format Strings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-48/srfi-48.html">48</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-48/srfi-48.html">48</a></td></tr><tr class="49" title="Indentation-sensitive syntax [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-49/srfi-49.html">49</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-49/srfi-49.html">49</a></td></tr><tr class="50" title="Mixing Scheme and C [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-50/srfi-50.html">50</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-50/srfi-50.html">50</a></td></tr><tr class="51" title="Handling rest list [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-51/srfi-51.html">51</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-51/srfi-51.html">51</a></td></tr><tr class="52" title="Permitting and Supporting Extended Character Sets [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-52/srfi-52.html">52</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-52/srfi-52.html">52</a></td></tr><tr class="53" title="Syntactic computations with computation-rules [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-53/srfi-53.html">53</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-53/srfi-53.html">53</a></td></tr><tr class="54" title="Formatting [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-54/srfi-54.html">54</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-54/srfi-54.html">54</a></td></tr><tr class="55" title="require-extension [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-55/srfi-55.html">55</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-55/srfi-55.html">55</a></td></tr><tr class="56" title="Binary I/O [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-56/srfi-56.html">56</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-56/srfi-56.html">56</a></td></tr><tr class="57" title="Records [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-57/srfi-57.html">57</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-57/srfi-57.html">57</a></td></tr><tr class="58" title="Array Notation [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-58/srfi-58.html">58</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-58/srfi-58.html">58</a></td></tr><tr class="59" title="Vicinity [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-59/srfi-59.html">59</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-59/srfi-59.html">59</a></td></tr><tr class="60" title="Integers as Bits [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-60/srfi-60.html">60</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-60/srfi-60.html">60</a></td></tr><tr class="61" title="A more general cond clause [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-61/srfi-61.html">61</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-61/srfi-61.html">61</a></td></tr><tr class="62" title="S-expression comments [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-62/srfi-62.html">62</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-62/srfi-62.html">62</a></td></tr><tr class="63" title="Homogeneous and Heterogeneous Arrays [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-63/srfi-63.html">63</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-63/srfi-63.html">63</a></td></tr><tr class="64" title="A Scheme API for test suites [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-64/srfi-64.html">64</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-64/srfi-64.html">64</a></td></tr><tr class="65" title="define-immutable: A Syntax to Define Identifiers With Immutable Values [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-65/srfi-65.html">65</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-65/srfi-65.html">65</a></td></tr><tr class="66" title="Octet Vectors [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-66/srfi-66.html">66</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-66/srfi-66.html">66</a></td></tr><tr class="67" title="Compare Procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-67/srfi-67.html">67</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-67/srfi-67.html">67</a></td></tr><tr class="68" title="Comprehensive I/O [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-68/srfi-68.html">68</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-68/srfi-68.html">68</a></td></tr><tr class="69" title="Basic hash tables [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-69/srfi-69.html">69</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-69/srfi-69.html">69</a></td></tr><tr class="70" title="Numbers [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-70/srfi-70.html">70</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-70/srfi-70.html">70</a></td></tr><tr class="71" title="Extended LET-syntax for multiple values [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-71/srfi-71.html">71</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-71/srfi-71.html">71</a></td></tr><tr class="72" title="Hygienic macros [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-72/srfi-72.html">72</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-72/srfi-72.html">72</a></td></tr><tr class="73" title="Exact Infinities [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-73/srfi-73.html">73</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-73/srfi-73.html">73</a></td></tr><tr class="74" title="Octet-Addressed Binary Blocks [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-74/srfi-74.html">74</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-74/srfi-74.html">74</a></td></tr><tr class="75" title="R6RS Unicode data [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-75/srfi-75.html">75</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-75/srfi-75.html">75</a></td></tr><tr class="76" title="R6RS Records [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-76/srfi-76.html">76</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-76/srfi-76.html">76</a></td></tr><tr class="77" title="Preliminary Proposal for R6RS Arithmetic [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-77/srfi-77.html">77</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-77/srfi-77.html">77</a></td></tr><tr class="78" title="Lightweight testing [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-78/srfi-78.html">78</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-78/srfi-78.html">78</a></td></tr><tr class="79" title="Primitive I/O [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-79/srfi-79.html">79</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-79/srfi-79.html">79</a></td></tr><tr class="80" title="Stream I/O [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-80/srfi-80.html">80</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-80/srfi-80.html">80</a></td></tr><tr class="81" title="Port I/O [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-81/srfi-81.html">81</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-81/srfi-81.html">81</a></td></tr><tr class="82" title="Stream Ports [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-82/srfi-82.html">82</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-82/srfi-82.html">82</a></td></tr><tr class="83" title="R6RS Library Syntax [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-83/srfi-83.html">83</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-83/srfi-83.html">83</a></td></tr><tr class="84" title="Universal Identifiers [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-84/srfi-84.html">84</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-84/srfi-84.html">84</a></td></tr><tr class="85" title="Recursive Equivalence Predicates [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-85/srfi-85.html">85</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-85/srfi-85.html">85</a></td></tr><tr class="86" title="MU and NU simulating VALUES & CALL-WITH-VALUES, and their related LET-syntax [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-86/srfi-86.html">86</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-86/srfi-86.html">86</a></td></tr><tr class="87" title="=> in case clauses [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-87/srfi-87.html">87</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-87/srfi-87.html">87</a></td></tr><tr class="88" title="Keyword objects [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-88/srfi-88.html">88</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-88/srfi-88.html">88</a></td></tr><tr class="89" title="Optional positional and named parameters [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-89/srfi-89.html">89</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-89/srfi-89.html">89</a></td></tr><tr class="90" title="Extensible hash table constructor [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-90/srfi-90.html">90</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-90/srfi-90.html">90</a></td></tr><tr class="91" title="Extended ports [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-91/srfi-91.html">91</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-91/srfi-91.html">91</a></td></tr><tr class="92" title="ALAMBDA and ALAMBDA* [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-92/srfi-92.html">92</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-92/srfi-92.html">92</a></td></tr><tr class="93" title="R6RS Syntax-Case Macros [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-93/srfi-93.html">93</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-93/srfi-93.html">93</a></td></tr><tr class="94" title="Type-Restricted Numerical Functions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-94/srfi-94.html">94</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-94/srfi-94.html">94</a></td></tr><tr class="95" title="Sorting and Merging [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-95/srfi-95.html">95</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-95/srfi-95.html">95</a></td></tr><tr class="96" title="SLIB Prerequisites [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-96/srfi-96.html">96</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-96/srfi-96.html">96</a></td></tr><tr class="97" title="SRFI Libraries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-97/srfi-97.html">97</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-97/srfi-97.html">97</a></td></tr><tr class="98" title="An interface to access environment variables [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-98/srfi-98.html">98</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-98/srfi-98.html">98</a></td></tr><tr class="99" title="ERR5RS Records [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-99/srfi-99.html">99</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-99/srfi-99.html">99</a></td></tr><tr class="100" title="define-lambda-object [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-100/srfi-100.html">100</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-100/srfi-100.html">100</a></td></tr><tr class="101" title="Purely Functional Random-Access Pairs and Lists [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-101/srfi-101.html">101</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-101/srfi-101.html">101</a></td></tr><tr class="102" title="Procedure Arity Inspection [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-102/srfi-102.html">102</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-102/srfi-102.html">102</a></td></tr><tr class="103" title="Library Files [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-103/srfi-103.html">103</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-103/srfi-103.html">103</a></td></tr><tr class="104" title="Library Files Utilities [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-104/srfi-104.html">104</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-104/srfi-104.html">104</a></td></tr><tr class="105" title="Curly-infix-expressions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-105/srfi-105.html">105</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-105/srfi-105.html">105</a></td></tr><tr class="106" title="Basic socket interface [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-106/srfi-106.html">106</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-106/srfi-106.html">106</a></td></tr><tr class="107" title="XML reader syntax [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-107/srfi-107.html">107</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-107/srfi-107.html">107</a></td></tr><tr class="108" title="Named quasi-literal constructors [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-108/srfi-108.html">108</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-108/srfi-108.html">108</a></td></tr><tr class="109" title="Extended string quasi-literals [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-109/srfi-109.html">109</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-109/srfi-109.html">109</a></td></tr><tr class="110" title="Sweet-expressions (t-expressions) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-110/srfi-110.html">110</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-110/srfi-110.html">110</a></td></tr><tr class="111" title="Boxes [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-111/srfi-111.html">111</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-111/srfi-111.html">111</a></td></tr><tr class="112" title="Environment Inquiry [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-112/srfi-112.html">112</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-112/srfi-112.html">112</a></td></tr><tr class="113" title="Sets and bags [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-113/srfi-113.html">113</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-113/srfi-113.html">113</a></td></tr><tr class="114" title="Comparators [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-114/srfi-114.html">114</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-114/srfi-114.html">114</a></td></tr><tr class="115" title="Scheme Regular Expressions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-115/srfi-115.html">115</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-115/srfi-115.html">115</a></td></tr><tr class="116" title="Immutable List Library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-116/srfi-116.html">116</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-116/srfi-116.html">116</a></td></tr><tr class="117" title="Queues based on lists [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-117/srfi-117.html">117</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-117/srfi-117.html">117</a></td></tr><tr class="118" title="Simple adjustable-size strings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-118/srfi-118.html">118</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-118/srfi-118.html">118</a></td></tr><tr class="119" title="wisp: simpler indentation-sensitive scheme [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-119/srfi-119.html">119</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-119/srfi-119.html">119</a></td></tr><tr class="120" title="Timer APIs [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-120/srfi-120.html">120</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-120/srfi-120.html">120</a></td></tr><tr class="121" title="Generators [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-121/srfi-121.html">121</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-121/srfi-121.html">121</a></td></tr><tr class="122" title="Nonempty Intervals and Generalized Arrays [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-122/srfi-122.html">122</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-122/srfi-122.html">122</a></td></tr><tr class="123" title="Generic accessor and modifier operators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-123/srfi-123.html">123</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-123/srfi-123.html">123</a></td></tr><tr class="124" title="Ephemerons [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-124/srfi-124.html">124</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-124/srfi-124.html">124</a></td></tr><tr class="125" title="Intermediate hash tables [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-125/srfi-125.html">125</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-125/srfi-125.html">125</a></td></tr><tr class="126" title="R6RS-based hashtables [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-126/srfi-126.html">126</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-126/srfi-126.html">126</a></td></tr><tr class="127" title="Lazy Sequences [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-127/srfi-127.html">127</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-127/srfi-127.html">127</a></td></tr><tr class="128" title="Comparators (reduced) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-128/srfi-128.html">128</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-128/srfi-128.html">128</a></td></tr><tr class="129" title="Titlecase procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-129/srfi-129.html">129</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-129/srfi-129.html">129</a></td></tr><tr class="130" title="Cursor-based string library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-130/srfi-130.html">130</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-130/srfi-130.html">130</a></td></tr><tr class="131" title="ERR5RS Record Syntax (reduced) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-131/srfi-131.html">131</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-131/srfi-131.html">131</a></td></tr><tr class="132" title="Sort Libraries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-132/srfi-132.html">132</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-132/srfi-132.html">132</a></td></tr><tr class="133" title="Vector Library (R7RS-compatible) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-133/srfi-133.html">133</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-133/srfi-133.html">133</a></td></tr><tr class="134" title="Immutable Deques [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-134/srfi-134.html">134</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-134/srfi-134.html">134</a></td></tr><tr class="135" title="Immutable Texts [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-135/srfi-135.html">135</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-135/srfi-135.html">135</a></td></tr><tr class="136" title="Extensible record types [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-136/srfi-136.html">136</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-136/srfi-136.html">136</a></td></tr><tr class="137" title="Minimal Unique Types [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-137/srfi-137.html">137</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-137/srfi-137.html">137</a></td></tr><tr class="138" title="Compiling Scheme programs to executables [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-138/srfi-138.html">138</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-138/srfi-138.html">138</a></td></tr><tr class="139" title="Syntax parameters [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-139/srfi-139.html">139</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-139/srfi-139.html">139</a></td></tr><tr class="140" title="Immutable Strings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-140/srfi-140.html">140</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-140/srfi-140.html">140</a></td></tr><tr class="141" title="Integer division [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-141/srfi-141.html">141</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-141/srfi-141.html">141</a></td></tr><tr class="142" title="Bitwise Operations [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-142/srfi-142.html">142</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-142/srfi-142.html">142</a></td></tr><tr class="143" title="Fixnums [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-143/srfi-143.html">143</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-143/srfi-143.html">143</a></td></tr><tr class="144" title="Flonums [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-144/srfi-144.html">144</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-144/srfi-144.html">144</a></td></tr><tr class="145" title="Assumptions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-145/srfi-145.html">145</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-145/srfi-145.html">145</a></td></tr><tr class="146" title="Mappings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-146/srfi-146.html">146</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-146/srfi-146.html">146</a></td></tr><tr class="147" title="Custom macro transformers [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-147/srfi-147.html">147</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-147/srfi-147.html">147</a></td></tr><tr class="148" title="Eager syntax-rules [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-148/srfi-148.html">148</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-148/srfi-148.html">148</a></td></tr><tr class="149" title="Basic Syntax-rules Template Extensions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-149/srfi-149.html">149</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-149/srfi-149.html">149</a></td></tr><tr class="150" title="Hygienic ERR5RS Record Syntax (reduced) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-150/srfi-150.html">150</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-150/srfi-150.html">150</a></td></tr><tr class="151" title="Bitwise Operations [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-151/srfi-151.html">151</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-151/srfi-151.html">151</a></td></tr><tr class="152" title="String Library (reduced) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-152/srfi-152.html">152</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-152/srfi-152.html">152</a></td></tr><tr class="153" title="Ordered Sets [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-153/srfi-153.html">153</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-153/srfi-153.html">153</a></td></tr><tr class="154" title="First-class dynamic extents [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-154/srfi-154.html">154</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-154/srfi-154.html">154</a></td></tr><tr class="155" title="Promises [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-155/srfi-155.html">155</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-155/srfi-155.html">155</a></td></tr><tr class="156" title="Syntactic combiners for binary predicates [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-156/srfi-156.html">156</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-156/srfi-156.html">156</a></td></tr><tr class="157" title="Continuation marks [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-157/srfi-157.html">157</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-157/srfi-157.html">157</a></td></tr><tr class="158" title="Generators and Accumulators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-158/srfi-158.html">158</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-158/srfi-158.html">158</a></td></tr><tr class="159" title="Combinator Formatting [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-159/srfi-159.html">159</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-159/srfi-159.html">159</a></td></tr><tr class="160" title="Homogeneous numeric vector libraries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-160/srfi-160.html">160</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-160/srfi-160.html">160</a></td></tr><tr class="161" title="Unifiable Boxes [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-161/srfi-161.html">161</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-161/srfi-161.html">161</a></td></tr><tr class="162" title="Comparators sublibrary [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-162/srfi-162.html">162</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-162/srfi-162.html">162</a></td></tr><tr class="163" title="Enhanced array literals [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-163/srfi-163.html">163</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-163/srfi-163.html">163</a></td></tr><tr class="164" title="Enhanced multi-dimensional Arrays [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-164/srfi-164.html">164</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-164/srfi-164.html">164</a></td></tr><tr class="165" title="The Environment Monad [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-165/srfi-165.html">165</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-165/srfi-165.html">165</a></td></tr><tr class="166" title="Monadic Formatting [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-166/srfi-166.html">166</a></td><td class="no"></td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-166/srfi-166.html">166</a></td></tr><tr class="167" title="Ordered Key Value Store [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-167/srfi-167.html">167</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-167/srfi-167.html">167</a></td></tr><tr class="168" title="Generic Tuple Store Database [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-168/srfi-168.html">168</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-168/srfi-168.html">168</a></td></tr><tr class="169" title="Underscores in numbers [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-169/srfi-169.html">169</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-169/srfi-169.html">169</a></td></tr><tr class="170" title="POSIX API [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-170/srfi-170.html">170</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-170/srfi-170.html">170</a></td></tr><tr class="171" title="Transducers [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-171/srfi-171.html">171</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-171/srfi-171.html">171</a></td></tr><tr class="172" title="Two Safer Subsets of R7RS [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-172/srfi-172.html">172</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-172/srfi-172.html">172</a></td></tr><tr class="173" title="Hooks [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-173/srfi-173.html">173</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-173/srfi-173.html">173</a></td></tr><tr class="174" title="POSIX Timespecs [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-174/srfi-174.html">174</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-174/srfi-174.html">174</a></td></tr><tr class="175" title="ASCII character library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-175/srfi-175.html">175</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-175/srfi-175.html">175</a></td></tr><tr class="176" title="Version flag [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-176/srfi-176.html">176</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-176/srfi-176.html">176</a></td></tr><tr class="177" title="Portable keyword arguments [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-177/srfi-177.html">177</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-177/srfi-177.html">177</a></td></tr><tr class="178" title="Bitvector library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-178/srfi-178.html">178</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-178/srfi-178.html">178</a></td></tr><tr class="179" title="Nonempty Intervals and Generalized Arrays (Updated) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-179/srfi-179.html">179</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-179/srfi-179.html">179</a></td></tr><tr class="180" title="JSON [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-180/srfi-180.html">180</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-180/srfi-180.html">180</a></td></tr><tr class="181" title="Custom ports (including transcoded ports) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-181/srfi-181.html">181</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-181/srfi-181.html">181</a></td></tr><tr class="182" title="ADBMAL, ALET, and ALET* [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-182/srfi-182.html">182</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-182/srfi-182.html">182</a></td></tr><tr class="183" title="Another format procedure, Fox [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-183/srfi-183.html">183</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-183/srfi-183.html">183</a></td></tr><tr class="184" title="define-record-lambda [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-184/srfi-184.html">184</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-184/srfi-184.html">184</a></td></tr><tr class="185" title="Linear adjustable-length strings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-185/srfi-185.html">185</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-185/srfi-185.html">185</a></td></tr><tr class="186" title="Transcoders and transcoded ports [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-186/srfi-186.html">186</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-186/srfi-186.html">186</a></td></tr><tr class="187" title="ALAMBDA and ADEFINE [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-187/srfi-187.html">187</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-187/srfi-187.html">187</a></td></tr><tr class="188" title="Splicing binding constructs for syntactic keywords [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-188/srfi-188.html">188</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-188/srfi-188.html">188</a></td></tr><tr class="189" title="Maybe and Either: optional container types [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-189/srfi-189.html">189</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-189/srfi-189.html">189</a></td></tr><tr class="190" title="Coroutine Generators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-190/srfi-190.html">190</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-190/srfi-190.html">190</a></td></tr><tr class="191" title="Procedure Arity Inspection [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-191/srfi-191.html">191</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-191/srfi-191.html">191</a></td></tr><tr class="192" title="Port Positioning [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-192/srfi-192.html">192</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-192/srfi-192.html">192</a></td></tr><tr class="193" title="Command line [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-193/srfi-193.html">193</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-193/srfi-193.html">193</a></td></tr><tr class="194" title="Random data generators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-194/srfi-194.html">194</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-194/srfi-194.html">194</a></td></tr><tr class="195" title="Multiple-value boxes [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-195/srfi-195.html">195</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-195/srfi-195.html">195</a></td></tr><tr class="196" title="Range Objects [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-196/srfi-196.html">196</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-196/srfi-196.html">196</a></td></tr><tr class="197" title="Pipeline Operators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-197/srfi-197.html">197</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="head">✓</td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-197/srfi-197.html">197</a></td></tr><tr class="198" title="Foreign Interface Status [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-198/srfi-198.html">198</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-198/srfi-198.html">198</a></td></tr><tr class="199" title="POSIX errno manipulation [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-199/srfi-199.html">199</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-199/srfi-199.html">199</a></td></tr><tr class="200" title="Pattern Matching [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-200/srfi-200.html">200</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-200/srfi-200.html">200</a></td></tr><tr class="201" title="Syntactic Extensions to the Core Scheme Bindings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-201/srfi-201.html">201</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-201/srfi-201.html">201</a></td></tr><tr class="202" title="Pattern-matching Variant of the and-let* Form that Supports Multiple Values [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-202/srfi-202.html">202</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-202/srfi-202.html">202</a></td></tr><tr class="203" title="A Simple Picture Language in the Style of SICP [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-203/srfi-203.html">203</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-203/srfi-203.html">203</a></td></tr><tr class="204" title="Wright-Cartwright-Shinn Pattern Matcher [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-204/srfi-204.html">204</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-204/srfi-204.html">204</a></td></tr><tr class="205" title="POSIX Terminal Fundamentals [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-205/srfi-205.html">205</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-205/srfi-205.html">205</a></td></tr><tr class="206" title="Auxiliary Syntax Keywords [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-206/srfi-206.html">206</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-206/srfi-206.html">206</a></td></tr><tr class="207" title="String-notated bytevectors [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-207/srfi-207.html">207</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-207/srfi-207.html">207</a></td></tr><tr class="208" title="NaN procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-208/srfi-208.html">208</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-208/srfi-208.html">208</a></td></tr><tr class="209" title="Enums and Enum Sets [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-209/srfi-209.html">209</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-209/srfi-209.html">209</a></td></tr><tr class="210" title="Procedures and Syntax for Multiple Values [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-210/srfi-210.html">210</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-210/srfi-210.html">210</a></td></tr><tr class="211" title="Scheme Macro Libraries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-211/srfi-211.html">211</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-211/srfi-211.html">211</a></td></tr><tr class="212" title="Aliases [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-212/srfi-212.html">212</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-212/srfi-212.html">212</a></td></tr><tr class="213" title="Identifier Properties [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-213/srfi-213.html">213</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-213/srfi-213.html">213</a></td></tr><tr class="214" title="Flexvectors [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-214/srfi-214.html">214</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-214/srfi-214.html">214</a></td></tr><tr class="215" title="Central Log Exchange [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-215/srfi-215.html">215</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-215/srfi-215.html">215</a></td></tr><tr class="216" title="SICP Prerequisites (Portable) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-216/srfi-216.html">216</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-216/srfi-216.html">216</a></td></tr><tr class="217" title="Integer Sets [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-217/srfi-217.html">217</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-217/srfi-217.html">217</a></td></tr><tr class="218" title="Unicode Numerals [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-218/srfi-218.html">218</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-218/srfi-218.html">218</a></td></tr><tr class="219" title="Define higher-order lambda [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-219/srfi-219.html">219</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-219/srfi-219.html">219</a></td></tr><tr class="220" title="Line directives [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-220/srfi-220.html">220</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-220/srfi-220.html">220</a></td></tr><tr class="221" title="Generator/accumulator sub-library [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-221/srfi-221.html">221</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-221/srfi-221.html">221</a></td></tr><tr class="222" title="Compound Objects [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-222/srfi-222.html">222</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-222/srfi-222.html">222</a></td></tr><tr class="223" title="Generalized binary search procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-223/srfi-223.html">223</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-223/srfi-223.html">223</a></td></tr><tr class="224" title="Integer Mappings [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-224/srfi-224.html">224</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-224/srfi-224.html">224</a></td></tr><tr class="225" title="Dictionaries [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-225/srfi-225.html">225</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-225/srfi-225.html">225</a></td></tr><tr class="226" title="Control Features [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-226/srfi-226.html">226</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-226/srfi-226.html">226</a></td></tr><tr class="227" title="Optional Arguments [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-227/srfi-227.html">227</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-227/srfi-227.html">227</a></td></tr><tr class="228" title="Composing Comparators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-228/srfi-228.html">228</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-228/srfi-228.html">228</a></td></tr><tr class="229" title="Tagged Procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-229/srfi-229.html">229</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-229/srfi-229.html">229</a></td></tr><tr class="230" title="Atomic Operations [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-230/srfi-230.html">230</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-230/srfi-230.html">230</a></td></tr><tr class="231" title="Intervals and Generalized Arrays [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-231/srfi-231.html">231</a></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-231/srfi-231.html">231</a></td></tr><tr class="232" title="Flexible curried procedures [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-232/srfi-232.html">232</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-232/srfi-232.html">232</a></td></tr><tr class="233" title="INI files [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-233/srfi-233.html">233</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-233/srfi-233.html">233</a></td></tr><tr class="234" title="Topological Sorting [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-234/srfi-234.html">234</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-234/srfi-234.html">234</a></td></tr><tr class="235" title="Combinators [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-235/srfi-235.html">235</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="final"><a href="https://srfi.schemers.org/srfi-235/srfi-235.html">235</a></td></tr><tr class="236" title="Evaluating expressions in an unspecified order [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-236/srfi-236.html">236</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-236/srfi-236.html">236</a></td></tr><tr class="237" title="R6RS Records (refined) [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-237/srfi-237.html">237</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-237/srfi-237.html">237</a></td></tr><tr class="238" title="Codesets [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-238/srfi-238.html">238</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-238/srfi-238.html">238</a></td></tr><tr class="239" title="Destructuring Lists [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-239/srfi-239.html">239</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-239/srfi-239.html">239</a></td></tr><tr class="240" title="Reconciled Records [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-240/srfi-240.html">240</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-240/srfi-240.html">240</a></td></tr><tr class="241" title="Match — Simple Pattern-Matching Syntax to Express Catamorphisms on Scheme Data [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-241/srfi-241.html">241</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-241/srfi-241.html">241</a></td></tr><tr class="242" title="The CFG Language [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-242/srfi-242.html">242</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-242/srfi-242.html">242</a></td></tr><tr class="243" title="Unreadable Data [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-243/srfi-243.html">243</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-243/srfi-243.html">243</a></td></tr><tr class="244" title="Multiple-value Definitions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-244/srfi-244.html">244</a></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-244/srfi-244.html">244</a></td></tr><tr class="245" title="Mixing definitions and expressions within bodies [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-245/srfi-245.html">245</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-245/srfi-245.html">245</a></td></tr><tr class="246" title="Guardians [superseded]"><td class="superseded"><a href="https://srfi.schemers.org/srfi-246/srfi-246.html">246</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="superseded"><a href="https://srfi.schemers.org/srfi-246/srfi-246.html">246</a></td></tr><tr class="247" title="Syntactic Monads [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-247/srfi-247.html">247</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="release">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-247/srfi-247.html">247</a></td></tr><tr class="248" title="Minimal delimited continuations [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-248/srfi-248.html">248</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-248/srfi-248.html">248</a></td></tr><tr class="249" title="Restarting conditions [withdrawn]"><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-249/srfi-249.html">249</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="withdrawn"><a href="https://srfi.schemers.org/srfi-249/srfi-249.html">249</a></td></tr><tr class="250" title="Insertion-ordered hash tables [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-250/srfi-250.html">250</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-250/srfi-250.html">250</a></td></tr><tr class="251" title="Mixing groups of definitions with expressions within bodies [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-251/srfi-251.html">251</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-251/srfi-251.html">251</a></td></tr><tr class="252" title="Property Testing [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-252/srfi-252.html">252</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-252/srfi-252.html">252</a></td></tr><tr class="253" title="Data (Type-)Checking [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-253/srfi-253.html">253</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="external">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="head">✓</td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-253/srfi-253.html">253</a></td></tr><tr class="254" title="Ephemerons and Guardians [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-254/srfi-254.html">254</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-254/srfi-254.html">254</a></td></tr><tr class="255" title="Restarting conditions [final]"><td class="final"><a href="https://srfi.schemers.org/srfi-255/srfi-255.html">255</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="final"><a href="https://srfi.schemers.org/srfi-255/srfi-255.html">255</a></td></tr><tr class="256" title="Minimal extension to SRFI 9/R7RS small record type definitions for inheritance [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-256/srfi-256.html">256</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-256/srfi-256.html">256</a></td></tr><tr class="257" title="Simple extendable pattern matcher with backtracking [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-257/srfi-257.html">257</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-257/srfi-257.html">257</a></td></tr><tr class="258" title="Uninterned symbols [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-258/srfi-258.html">258</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-258/srfi-258.html">258</a></td></tr><tr class="259" title="Tagged procedures with type safety [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-259/srfi-259.html">259</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-259/srfi-259.html">259</a></td></tr><tr class="260" title="Generated Symbols [draft]"><td class="draft"><a href="https://srfi.schemers.org/srfi-260/srfi-260.html">260</a></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="no"></td><td class="draft"><a href="https://srfi.schemers.org/srfi-260/srfi-260.html">260</a></td></tr></tbody><tfoot></tfoot></table><p><b>* On third-party libraries: </b><a href="https://people.csail.mit.edu/jaffer/SLIB.html">SLIB</a> and <a href="http://snow-fort.org">Snow Fort</a> provide portable third-party SRFI implementations for R5RS and R7RS Scheme respectively.<br /><a href="https://github.com/arcfide/chez-srfi"><code>chez-srfi</code></a> is included as the <i>de facto</i> SRFI implementation library for Chez Scheme, IronScheme and Loko Scheme with broad R6RS compatibility.<br />CHICKEN Scheme provides third-party SRFI libraries through its package manager, in the form of <a href="https://wiki.call-cc.org/eggs">eggs</a>.</p><p><b>* On removals: </b>Implementations will be removed from this table if either:<br /><ol><li>There is no mailing list or repository activity for three or more years from the date this
table was generated.</li><li>Their maintainer indicates that the implementation is unmaintained.</li></ol></p><p><b>** Disclaimer: </b>The responsibility for stating that a SRFI is supported is on the Scheme implementation developers.</p><footer><p>Generated on 2025-01-28.</p></footer></body></html>