patch 8.0.1477: redraw flicker when moving the mouse outside of terminal window commit https://github.com/vim/vim/commit/d317b38a4dbcdbd4cf587cf78cc1f4289374214e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 8 22:33:31 2018 +0100 patch 8.0.1477: redraw flicker when moving the mouse outside of terminal window Problem: Redraw flicker when moving the mouse outside of terminal window. Solution: Instead of updating the cursor color and shape every time leaving and entering a terminal window, only update when different from the previously used cursor.

" Vim compiler file
" Compiler:	HTML Tidy
" Maintainer:	Doug Kearns <dougkearns@gmail.com>
" Last Change:	2016 Apr 21

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

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

CompilerSet makeprg=tidy\ -quiet\ -errors\ --gnu-emacs\ yes\ %:S

" foo.html:8:1: Warning: inserting missing 'foobar' element
" foo.html:9:2: Error: <foobar> is not recognized!
CompilerSet errorformat=%f:%l:%c:\ %trror:%m,%f:%l:%c:\ %tarning:%m,%-G%.%#