patch 8.2.3764: cannot see any text when window was made zero lines Commit: https://github.com/vim/vim/commit/d0fb907253a5c5a71b1f231f3ddec24098fb4e21 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 9 11:57:22 2021 +0000 patch 8.2.3764: cannot see any text when window was made zero lines Problem: Cannot see any text when window was made zero lines or zero columns. Solution: Ensure there is at least one line and column. (fixes #9307)

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