Replace spelling of "colour" with "color" for naming consistency

Author: jacobcassidy

src/vscode-css/grammars/css.cson

@@ -652,12 +652,12 @@
   'color-keywords':
     'patterns': [
       {
-        # CSS 2.1 colours: http://www.w3.org/TR/CSS21/syndata.html#value-def-color
+        # CSS 2.1 colors: http://www.w3.org/TR/CSS21/syndata.html#value-def-color
         'match': '(?i)(?<![\\w-])(aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|orange|purple|red|silver|teal|white|yellow)(?![\\w-])'
         'name': 'support.constant.color.w3c-standard-color-name.css'
       }
       {
-        # SVG/CSS3 colour names: http://www.w3.org/TR/css3-color/#svg-color
+        # SVG/CSS3 color names: http://www.w3.org/TR/css3-color/#svg-color
         'match': '''(?xi) (?<![\\w-])
           (aliceblue|antiquewhite|aquamarine|azure|beige|bisque|blanchedalmond|blueviolet|brown|burlywood
           |cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan
@@ -679,12 +679,12 @@
         'name': 'support.constant.color.w3c-extended-color-name.css'
       }
       {
-        # Current text colour
+        # Current text color
         'match': '(?i)(?<![\\w-])currentColor(?![\\w-])'
         'name': 'support.constant.color.current.css'
       }
       {
-        # These colours are deprecated in CSS3: http://www.w3.org/TR/css3-color/#css2-system
+        # These colors are deprecated in CSS3: http://www.w3.org/TR/css3-color/#css2-system
         'match': '''(?xi) (?<![\\w-])
           (ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow
           |ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption
@@ -837,7 +837,7 @@
           }
         ]
       }
-      # Colours
+      # Colors
       {
         'begin': '(?i)(?<![\\w-])(rgba?|rgb|hsla?|hsl|hwb|lab|oklab|lch|oklch|color)(\\()'
         'beginCaptures':