patch 9.0.2114: overflow detection not accurate when adding digits Commit: https://github.com/vim/vim/commit/22cbc8a4e17ce61aa460c451a26e1bff2c3d2af9 Author: Christian Brabandt <cb@256bit.org> Date: Sun Nov 19 10:47:21 2023 +0100 patch 9.0.2114: overflow detection not accurate when adding digits Problem: overflow detection not accurate when adding digits Solution: Use a helper function Use a helper function to better detect overflows before adding integer digits to a long or an integer variable respectively. Signal the overflow to the caller function. closes: #13539 Signed-off-by: Christian Brabandt <cb@256bit.org> Signed-off-by: Michael Henry <vim@drmikehenry.com> Signed-off-by: Ernie Rael <errael@raelity.com>

" Vim syntax file
" Language:	none; used to see highlighting
" Maintainer:	github user lacygoill
" Last Change:	2023 Mar 08

" To see your current highlight settings, do
"    :so $VIMRUNTIME/syntax/hitest.vim

import 'dist/vimhighlight.vim'
call vimhighlight.HighlightTest()