patch 9.0.1664: divide by zero when scrolling with 'smoothscroll' set Commit: https://github.com/vim/vim/commit/8154e642aa476e1a5d3de66c34e8289845b2b797 Author: fullwaywang <fullwaywang@tencent.com> Date: Sat Jun 24 21:58:09 2023 +0100 patch 9.0.1664: divide by zero when scrolling with 'smoothscroll' set Problem: Divide by zero when scrolling with 'smoothscroll' set. Solution: Avoid using a negative width. (closes https://github.com/vim/vim/issues/12540, closes https://github.com/vim/vim/issues/12528)

Test that vim9script also works without the +eval feature.

STARTTEST
:/^START/+1,/^END/-1:w! Xvim9
:so Xvim9
ENDTEST

START
vim9script

if 1
  echo 'this is skipped without +eval'
endif

# colon required for a range
:$-1,$w! test.out
qa!
END

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