If you have a CSS selector like #facebook, the #fac part of the selector is recognised as a color in the CSS resource and hovering the string will show a hover menu to edit the text as a color. This doesn't make sense, this type of UI should be reserved for CSS properties.
<rdar://problem/16083842>
Created attachment 224378 [details] Patch
Comment on attachment 224378 [details] Patch r=me
Comment on attachment 224378 [details] Patch Clearing flags on attachment: 224378 Committed r164236: <http://trac.webkit.org/changeset/164236>
All reviewed patches have been landed. Closing bug.