At 12:15 -0600 2002-07-02, John H. Jenkins wrote: >On Tuesday, July 2, 2002, at 11:39 AM, John Cowan wrote: > >> >>>1) If you map directly from multiple characters to a single glyph, you don' >>>t have to include glyphs in your font for all the "pieces" if they're >>>never supposed to appear by themselves. As an extreme example, if I >>>implemented astral character support via ligating surrogate pairs, I'd >>>need to include glyphs for the unpaired surrogates. >> >>More precisely, you need to have glyph *indexes* that are never mapped >>to glyphs. The actual outlines themselves don't need to exist, AFAIK. >> > >True. I tend to avoid that, because if something goes wrong and the >system attempts to actually *display* one of these virtual glyphs, >disaster would ensue. (Dave Opstad and I have had long debates on >the safety of doing this.)
I have to confess I don't understand what you are talking about at all. Get me them tools, John! -- Michael Everson *** Everson Typography *** http://www.evertype.com
