Character used when Allegro cannot find a glyph.


extern int allegro_404_char;
When Allegro cannot find a glyph it needs in a font, it will instead output the character given in allegro_404_char. By default, this is set to the caret symbol, `^', but you can change this global to use any other character instead. Example:
      /* Show unknown glyphs with an asterisk. */
      allegro_404_char = '*';
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