- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Thu, 12 Nov 2009 17:44:47 -0600
- To: Thomas Phinney <tphinney@cal.berkeley.edu>
- Cc: fantasai <fantasai.lists@inkedblade.net>, www-style@w3.org
On Thu, Nov 12, 2009 at 5:39 PM, Thomas Phinney <tphinney@cal.berkeley.edu> wrote: > Just a terminology clarification, re "concern about exposing alternate > glyphs": > > In font-speak, "alternate glyphs" means just about any glyph substitution > built into the font which yields a different glyph or glyphs for the same > underlying Unicode codepoint(s). Small caps, ligatures, real > super/subscript, oldstyle figures... these are all different kinds of > alternate glyphs. > > The phrase "alternate glyphs" in this write-up is clearly intended to refer > to a small subset of these features which present a specific problem. Though > it is not written here, based on previous discussion and a priori knowledge, > I expect it refers specifically to the OpenType stylistic alternates > ('salt') and stylistic sets ('ssXX') features. If I recall correctly, that's precisely right. Setting alternate glyphs to be used in a 'global' manner can easily interact badly with fallback (as the new font can have *completely* different kinds of stylistic alternates), thus the discussion about tying them to specific faces through some mechanism. ~TJ
Received on Thursday, 12 November 2009 23:45:34 UTC