patch 8.2.4219: reading before the start of the line Commit: https://github.com/vim/vim/commit/44db8213d38c39877d2148eff6a72f4beccfb94e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 25 21:26:17 2022 +0000 patch 8.2.4219: reading before the start of the line Problem: Reading before the start of the line. Solution: Check boundary before trying to read the character.

" Vim syntax file
" Language:	Bazel (http://bazel.io)
" Maintainer:	David Barnett (https://github.com/google/vim-ft-bzl)
" Last Change:	2015 Aug 11

if exists('b:current_syntax')
  finish
endif


runtime! syntax/python.vim

let b:current_syntax = 'bzl'

syn region bzlRule start='^\w\+($' end='^)\n*' transparent fold
syn region bzlList start='\[' end='\]' transparent fold