SEEN_RGBA         726 src/xsettings.c               settings->seen |= SEEN_RGBA;
SEEN_RGBA         738 src/xsettings.c                 settings->seen &= ~SEEN_RGBA;
SEEN_RGBA         860 src/xsettings.c   if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)