[css-variables] Metadata tweak.

Author: tabatkins

css-variables/Overview.src.html

@@ -11,7 +11,7 @@ <h1>CSS Custom Properties for Cascading Variables Module Level 1</h1>
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact
 Abstract: This module introduces cascading variables as a new primitive value type that is accepted by all CSS properties, and custom properties for defining them.
 Ignored Properties: var-0, var-foo, var-main-color, color, var-Bar, var-two, margin-top, var-header-color, var-accent-background, var-foo-bar, var-bar, background-color, var-one, all
-Ignored Terms: <color>, <bad-url>, <bad-string>, <semicolon>
+Ignored Terms: <color>, <bad-url>, <bad-string>, <semicolon>, <delim>
 Date: 2013-05-16
 Deadline: 2013-06-13
 </pre>