patch 8.1.2254: MS-Windows: mouse scroll wheel doesn't work in popup Commit: https://github.com/vim/vim/commit/0630bb6580237fe01db22a84885c10f12580f7af Author: Bram Moolenaar <Bram@vim.org> Date: Mon Nov 4 22:52:12 2019 +0100 patch 8.1.2254: MS-Windows: mouse scroll wheel doesn't work in popup Problem: MS-Windows: mouse scroll wheel doesn't work in popup. Solution: Handle mouse wheel events separately. (closes https://github.com/vim/vim/issues/5138)

" 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$*\ \"%:p\"\ -o\ \"%:p:r.$*\"