And in any case, the patch for gui_init_fringe is sub-optimal: it
unnecessarily loops over the standard bitmaps that were superseded. It
is better to leave the first loop go over the standard bitmaps,
whether superseded or not, and the second loop go over non-standard
bitmaps only.
It is not sub-optimal, rif->define_fringe_bitmap will only be called
for those standard bitmaps that were superseded. For the
non-superseded ones, fringe_bitmaps[bt] is NULL.
I meant the first loop, not the second one.
Consider-all-user-defined-bitmaps-in-gui_init_fringe.patch