patch 8.2.3173: Vim9: argument types are not checked at compile time Commit: https://github.com/vim/vim/commit/a9a7c0c602b231dc37c4b0f62ade0421c84fca03 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sat Jul 17 19:11:07 2021 +0200 patch 8.2.3173: Vim9: argument types are not checked at compile time Problem: Vim9: argument types are not checked at compile time. Solution: Add more type checks. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/8581)

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