patch 9.1.0011: regexp cannot match combining chars in collection Commit: https://github.com/vim/vim/commit/d2cc51f9a1a5a30ef5d2e732f49d7f495cae24cf Author: Christian Brabandt <cb@256bit.org> Date: Thu Jan 4 22:54:08 2024 +0100 patch 9.1.0011: regexp cannot match combining chars in collection Problem: regexp cannot match combining chars in collection Solution: Check for combining characters in regex collections for the NFA and BT Regex Engine Also, while at it, make debug mode work again. fixes #10286 closes: #12871 Signed-off-by: Christian Brabandt <cb@256bit.org>

Tests for file with some lines ending in CTRL-M, some not

STARTTEST
:set ta tx
:e!
:$-3,$w! test.out
:qa!
ENDTEST

this lines ends in a
this one doesn't
this one does
and the last one doesn't