DOC: fix compression docs in io.rst

Author: jreback

doc/source/io.rst

@@ -217,10 +217,15 @@ chunksize : int, default ``None``
 Quoting, Compression, and File Format
 +++++++++++++++++++++++++++++++++++++
 
-compression : {``'infer'``, ``'gzip'``, ``'bz2'``, ``None``}, default ``'infer'``
-  For on-the-fly decompression of on-disk data. If 'infer', then use gzip or bz2
-  if filepath_or_buffer is a string ending in '.gz' or '.bz2', respectively, and
-  no decompression otherwise. Set to ``None`` for no decompression.
+compression : {``'infer'``, ``'gzip'``, ``'bz2'``, ``'zip'``, ``None``}, default ``'infer'``
+  For on-the-fly decompression of on-disk data. If 'infer', then use gzip,
+  bz2 or zip if filepath_or_buffer is a string ending in '.gz', '.bz2' or
+  '.zip', respectively, and no decompression otherwise. If using 'zip',
+  the ZIP file must contain only one data file to be read in.
+  Set to ``None`` for no decompression.
+
+  .. versionadded:: 0.18.0 support for 'zip' compression.
+
 thousands : str, default ``None``
   Thousands separator.
 decimal : str, default ``'.'``

doc/source/whatsnew/v0.18.1.txt

@@ -33,7 +33,7 @@ Enhancements
 .. _whatsnew_0181.partial_string_indexing:
 
 Partial string indexing on ``DateTimeIndex`` when part of a ``MultiIndex``
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Partial string indexing now matches on ``DateTimeIndex`` when part of a ``MultiIndex`` (:issue:`10331`)
 

pandas/io/parsers.py

@@ -158,16 +158,15 @@ class ParserWarning(Warning):
     information
     <http://pandas.pydata.org/pandas-docs/stable/io.html#io-chunking>`_ on
     ``iterator`` and ``chunksize``.
-compression : {'gzip', 'bz2', 'zip', 'infer', None}, default 'infer'
+compression : {'infer', 'gzip', 'bz2', 'zip', None}, default 'infer'
     For on-the-fly decompression of on-disk data. If 'infer', then use gzip,
     bz2 or zip if filepath_or_buffer is a string ending in '.gz', '.bz2' or
     '.zip', respectively, and no decompression otherwise. If using 'zip',
     the ZIP file must contain only one data file to be read in.
     Set to None for no decompression.
 
-    .. versionadded:: 0.18.0
+    .. versionadded:: 0.18.0 support for 'zip' compression.
 
-    support for 'zip' compression.
 thousands : str, default None
     Thousands separator
 decimal : str, default '.'