patch 8.2.2739: Vim9: a lambda accepts too many arguments at the script level Commit: https://github.com/vim/vim/commit/767034c5b82ba8999d9fed2f997436e6e3e99419 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 9 17:24:52 2021 +0200 patch 8.2.2739: Vim9: a lambda accepts too many arguments at the script level Problem: Vim9: a lambda accepts too many arguments at the script level. Solution: Do not set uf_varargs in Vim9 script.

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