patch 8.2.2352: if focus lost/gained is received twice code is not ignored Commit: https://github.com/vim/vim/commit/d44cc593cee84fc3c712ca1828d1574f80700383 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 14 21:57:58 2021 +0100 patch 8.2.2352: if focus lost/gained is received twice code is not ignored Problem: If the focus lost/gained escape sequence is received twice it is not ignored. (Christ van Willigen) Solution: Adjust the logic to ignore the escape code.

" Vim compiler file
" Compiler:     ATT dot
" Maintainer:	Marcos Macedo <bar4ka@bol.com.br>
" Last Change:	2004 May 16

if exists("current_compiler")
  finish
endif
let current_compiler = "dot"

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=dot\ -T$*\ \"%:p\"\ -o\ \"%:p:r.$*\"