zero_mark_widths_by_gdef  508 third_party/harfbuzz-ng/src/hb-ot-shape.cc       zero_mark_widths_by_gdef (c->buffer);
zero_mark_widths_by_gdef  557 third_party/harfbuzz-ng/src/hb-ot-shape.cc       zero_mark_widths_by_gdef (c->buffer);