patch 9.0.0820: memory leak with empty shell command Commit: https://github.com/vim/vim/commit/03d6e6f42b0deeb02d52c8a48c14abe431370c1c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 29 21:53:08 2022 +0100 patch 9.0.0820: memory leak with empty shell command Problem: Memory leak with empty shell command. Solution: Free the empty string.

" Vim syntax file
" Language: confini

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

" Use the cfg syntax for now, it's similar.
runtime! syntax/cfg.vim

let b:current_syntax = 'confini'