XGetWMColormapWindows(3) on Linux
The text 960cda7a711b, as Debian 5.0 (Lenny) shipped it.
set or read a window's WM_COLORMAP_WINDOWS property
The text 960cda7a711b, as Debian 5.0 (Lenny) shipped it.
set or read a window's WM_COLORMAP_WINDOWS property