Quick Docs: Ignore vendor prefixes if needed

src/extensions/default/WebPlatformDocs/main.js

@@ -110,6 +110,12 @@ define(function (require, exports, module) {
                 .done(function (cssDocs) {
                     // Construct inline widget (if we have docs for this property)
                     var cssPropDetails = cssDocs.PROPERTIES["css/properties/" + cssPropName];
+                    if (!cssPropDetails) {
+                        cssPropName = cssPropName.replace(/^-(webkit|moz|ms|o)-/, ""); // remove possible vendor prefixes
+                        if (cssPropName) {
+                            cssPropDetails = cssDocs.PROPERTIES["css/properties/" + cssPropName];
+                        }
+                    }
                     if (cssPropDetails) {
                         var inlineWidget = new InlineDocsViewer(cssPropName, cssPropDetails);
                         inlineWidget.load(hostEditor);

src/extensions/default/WebPlatformDocs/unittest-files/test1.css

@@ -3,4 +3,6 @@
     {{3}}does-not-exist: 0;
     /* {{5}}color: #000 */
     background: border{{4}};
-}
+    {{6}}-webkit-animation: none;
+    {{7}}-border-width: 2px;
+}

src/extensions/default/WebPlatformDocs/unittests.js

@@ -139,6 +139,16 @@ define(function (require, exports, module) {
                 queryInlineAtPos(testCSSInfo, 3, false);
             });
 
+            it("should open docs for a vendor-prefixed CSS property", function () {
+                /* css -webkit- prefixed property */
+                queryInlineAtPos(testCSSInfo, 6, true, "animation");
+            });
+
+            it("should not open docs for an invalid CSS property (looking like a vendor-prefixed one)", function () {
+                /* css property invalidly prefixed */
+                queryInlineAtPos(testCSSInfo, 7, false);
+            });
+
         });
 
         describe("InlineDocsProvider parsing in HTML", function () {

src/language/CSSUtils.js

@@ -237,6 +237,10 @@ define(function (require, exports, module) {
                     testToken.type === "tag") {
                 propName = testToken.string;
                 offset = 0;
+            } else if (testToken.type === "meta" || testToken.string === "-") {
+                ctx.pos = testPos;
+                ctx.token = testToken;
+                return _getPropNameInfo(ctx);
             }
         }