On Thu, Nov 12, 2015 at 10:44 AM, Eli Zaretskii wrote: > One other idea is to compare the XPM images in idlw-toolbar.el with > the ones we have in etc/images/, and see which part(s) of the > differences between them cause the problems. I'm not an expert on > XPM, but I see a few differences, besides the color depth. > > Btw, when you changed #000000000000 to #000000, did the error messages > from GdkPixbuf about 8 bits stop? > The messages from GdkPixbuf about 8 bits (gdk_pixbuf_new_from_data: assertion 'bits_per_sample == 8' failed) are still present with colors changed to #000000. Attached is the backtrace, and the idlw-toolbar.el file I used. Gordon -- Gordon Farquharson GnuPG Key ID: 32D6D676