hb_ot_layout_substitute_start   73 third_party/harfbuzz-ng/src/hb-ot-layout-private.hh hb_ot_layout_substitute_start (hb_font_t    *font,
hb_ot_layout_substitute_start  433 third_party/harfbuzz-ng/src/hb-ot-shape.cc   hb_ot_layout_substitute_start (c->font, buffer);