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accent,
          width,
          vmetric,
          operatorListId,
          isSpace,
          isInFont
        )
      ) {
        glyph = new Glyph(
          fontChar,
          unicode,
          accent,
          width,
          vmetric,
          operatorListId,
          isSpace,
          isInFont
        );
        this.glyphCache[charcode] = glyph;
      }
      return glyph;
    },
    charsToGlyphs: function Font_charsToGlyphs(chars) {
      var charsCache = this.charsCache;
      var glyphs, glyph, charcode;
      
      if (charsCache) {
        glyphs = charsCache[chars];
        if (glyphs) {
          return glyphs;