Add support for 'vertical-align: inherit'

Author: mattiacci

src/css/Properties.js

@@ -523,7 +523,7 @@ var Properties = {
     "user-select"                   : "none | text | toggle | element | elements | all | inherit",
 
     //V
-    "vertical-align"                : "auto | use-script | baseline | sub | super | top | text-top | central | middle | bottom | text-bottom | <percentage> | <length>",
+    "vertical-align"                : "auto | use-script | baseline | sub | super | top | text-top | central | middle | bottom | text-bottom | <percentage> | <length> | inherit",
     "visibility"                    : "visible | hidden | collapse | inherit",
     "voice-balance"                 : 1,
     "voice-duration"                : 1,

tests/css/Validation.js

@@ -954,6 +954,28 @@
         }
     }));
 
+    suite.add(new ValidationTestCase({
+        property: "vertical-align",
+
+        valid: [
+            "baseline",
+            "sub",
+            "super",
+            "top",
+            "text-top",
+            "middle",
+            "bottom",
+            "text-bottom",
+            "25%",
+            "-1px",
+            "inherit"
+        ],
+
+        invalid: {
+            "foo" : "Expected (auto | use-script | baseline | sub | super | top | text-top | central | middle | bottom | text-bottom | <percentage> | <length> | inherit) but found 'foo'."
+        }
+    }));
+
     suite.add(new ValidationTestCase({
         property: "z-index",