Change/Read pointer mask color.
Use text as color description to set the pointer mask color. This color is used for the contour of the mouse pointer.
For supported color formats see change/read palette color.
This only works when themed cursors are deactivated (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=466704#135)
🛈 If mode reverse display colors is active this sequence and change/read pointer inlet color switch their meaning. The cursor colors are visually switched when changing reverse display colors, while the values readable via sequences stays the same. 🛈 xterm supports falling through into osc 15 when given additional ';' separated colors. 🛈 This only works when themed cursors are deactivated (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=466704#135)