patch 8.2.0483: Vim9: "let x = x + 1" does not give an error Commit: https://github.com/vim/vim/commit/d25ec2cfa0c25c3b00b7f8963b8aea799df1f20a Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 30 21:05:45 2020 +0200 patch 8.2.0483: Vim9: "let x = x + 1" does not give an error Problem: Vim9: "let x = x + 1" does not give an error. Solution: Hide the variable when compiling the expression.

" Vim syntax file
" Language:	bash
" Maintainer:	Bram
" Last Change:	2019 Sep 27

" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

" The actual syntax is in sh.vim and controlled by buffer-local variables.
unlet! b:is_sh
unlet! b:is_kornshell
let b:is_bash = 1

runtime! syntax/sh.vim

let b:current_syntax = 'bash'

" vim: ts=8