Add completions and include it to be highlighted

Author: vrugtehagel

CSS3.sublime-syntax

@@ -4003,6 +4003,7 @@ contexts:
     - include: property-transform-box
     - include: property-transform-origin
     - include: property-transform-style
+    - include: property-transition-behavior
     - include: property-transition-delay
     - include: property-transition-duration
     - include: property-transition-property

completions/properties.py

@@ -511,6 +511,7 @@
     ("transform-origin", "transform-origin: ${1};"),
     ("transform-style", "transform-style: ${1};"),
     ("transition", "transition: ${1};"),
+    ("transition-behavior", "transition-behavior: ${1};"),
     ("transition-delay", "transition-delay: ${1};"),
     ("transition-duration", "transition-duration: ${1};"),
     ("transition-property", "transition-property: ${1};"),
@@ -1667,6 +1668,7 @@
     "transform-origin": t.position,
     "transform-style": [("flat",), ("preserve-3d",)],
     "transition": t.single_transition,
+    "transition-behavior": [("allow-discrete",), ("normal",)],
     "transition-delay": t.time,
     "transition-duration": t.time,
     "transition-property": [("all",), ("none",), t.identifier],

test/property-list.css

@@ -6214,6 +6214,12 @@
     -webkit-transition: background-color linear 1s;
     -webkit-transition: unset;
 
+    transition-behavior: initial;
+    transition-behavior: inherit;
+    transition-behavior: unset;
+    transition-behavior: allow-discrete;
+    transition-behavior: normal;
+
     transition-delay: initial;
     transition-delay: inherit;
     transition-delay: unset;