pgtk_set_cr_source_with_gc_background 2196 src/pgtkterm.c       pgtk_set_cr_source_with_gc_background (f, gc, false);
pgtk_set_cr_source_with_gc_background  587 src/pgtkterm.h extern void pgtk_set_cr_source_with_gc_background (struct frame *, Emacs_GC *, bool);