If pymol svn is built against libpng 1.6.3, the following warning is emitted to stderr when pymol is run...
OpenGL quad-buffer stereo 3D detected and enabled.
libpng warning: iCCP: known incorrect sRGB profile
This issue is due to data/pymol/splash.png having a sRGB profile of...
Copyright (c) 1998 Hewlett-Packard Company
WhitePoint : D65 (daylight)
as seen in the Color Profile tab of the Image Properties dialog in gimp 2.6. This issue
can be fixed by selecting the "Assign Color Profile..." menu item from the Mode submenu in the Image menu in gimp and assigning the RGB workspace (sRGB built-in) color profile followed by saving the file. With this profile, the warnings from libpng 1.6.3 disappear.
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