http://www.whatwg.org/specs/web-apps/current-work/multipage/rendering.html#bidirectional-text specifies that UA style sheets should have the rule: [dir] { unicode-bidi: embed; }
This implies that invalid values of the dir attribute should cause a change in presentation. This seems wrong to me, on the general principle that invalid values of attributes should be ignored. (Though perhaps this isn't a general principle that we're following anymore? I rather thought it was, though.) I tend to think that only the known values of the dir attribute should cause the unicode-bidi:embed styling. (I'm asking since this has been tested and bugs filed: https://bugzilla.mozilla.org/show_bug.cgi?id=713621 .) -David -- 𝄞 L. David Baron http://dbaron.org/ 𝄂 𝄢 Mozilla http://www.mozilla.org/ 𝄂
