patch 9.0.1617: charidx() result is not consistent with byteidx() Commit: https://github.com/vim/vim/commit/577922b917e48285a7a312daf7b5bbc6e272939c Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Thu Jun 8 17:09:45 2023 +0100 patch 9.0.1617: charidx() result is not consistent with byteidx() Problem: charidx() and utf16idx() result is not consistent with byteidx(). Solution: When the index is equal to the length of the text return the lenght of the text instead of -1. (Yegappan Lakshmanan, closes #12503)

" Vim filetype plugin file
" Language:	groovy
" Maintainer:	Justin M. Keyes <justinkz@gmail.com>
" Last Change:	2016 May 22

if exists('b:did_ftplugin')
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo-=C

let b:undo_ftplugin = 'setlocal commentstring<'

setlocal commentstring=//%s

let &cpo = s:cpo_save
unlet s:cpo_save