if(glyphs[t]<0 || glyphs[t] >= font->numchars /*glyph is not in range*/
|| !font->glyph2ascii /* font has ascii<->glyph mapping */
) a = glyphs[t];
if(glyphs[t]<0 || glyphs[t] >= font->numchars /*glyph is not in range*/
|| !font->glyph2ascii /* font has ascii<->glyph mapping */
) a = glyphs[t];