> $ git show | head -1
 > commit 792dc36e691b1e4b7735c75d2d402d1b9a8801ce
 >
 > $ git apply txtC00XwS8xFx.txt --verbose
 > error: corrupt patch at line 9
 >
 > $ md5sum txtC00XwS8xFx.txt
 > 0d958ef0f85eef10f0de8e963044278f txtC00XwS8xFx.txt

No idea what happened.  I attach the latest version against today's
master (the same commit you mentioned).

git show | head -1
commit 792dc36e691b1e4b7735c75d2d402d1b9a8801ce

md5sum window-change-functions.diff
619d18ffa7106e21c07992d2b6df302a *window-change-functions.diff

martin