[Webkit-unassigned] [Bug 20237] Zero width and space characters are displayed incorrectly if not contained in a fallback font.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20237





------- Comment #18 from mitz at webkit.org  2008-09-07 00:02 PDT -------
The more I look at the bug description, and the more testing I do in Safari on
Windows, the less I understand how this bug works, even in the system fallback
case.

The only exception is U+FFFC (OBJECT REPLACEMENT CHARACTER) which is not
treatAsZeroWidthSpace(), even though it is ZWS-ed out in
GlyphPageTreeNode::initializePage. In all other cases, I expect a missing glyph
(square) to be rendered only if no font on the system has a glyph for ZWS. As
far as I can tell, Times New Roman, plain ol' Arial, and other fonts on Windows
have correct glyphs for ZWS.


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