use_kerning       816 ext/gd/libgd/gdft.c 	FT_Bool use_kerning;
use_kerning       912 ext/gd/libgd/gdft.c 	use_kerning = FT_HAS_KERNING (face);
use_kerning      1074 ext/gd/libgd/gdft.c 		if (use_kerning && previous && glyph_index) {