(stop-flashing-window #&optional (win (get-window)))
Turn off window flashing of WIN.
Has no effect if WIN is not flashing.
N.B. flashing and highlight-selection of windows currently use the
same mechanism, so turning off flashing will also visually un-select
Module: (app scwm flash-window)
Defined in scheme/flash-window.scm
at line 71 (CVS log)