[css2] Amended applies to section for content property

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extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401801

Author: ianbjacobs

css2/properties/properties.db

@@ -352,7 +352,8 @@ elements;; yes;; N/A;; visual */
 
 /* content;; [ <string> | <uri> | <counter> | attr(X) | open-quote | close-quote
 | no-open-quote | no-close-quote ]+ | inherit;; empty string;;
-:before and :after pseudo-elements;; no;; N/A;; all */
+'display : marker' elements and both :before and :after
+pseudo-elements;; no;; N/A;; all */
 
 /* quotes;; [<string> <string>]+ | none | inherit;; depends on user agent;;
 *;; yes;; N/A;; visual */