patch 8.2.0829: filter() may give misleading error message Commit: https://github.com/vim/vim/commit/fcb0b61d15f66f0e9116a6bc56d9d8105bb913cf Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 26 20:22:01 2020 +0200 patch 8.2.0829: filter() may give misleading error message Problem: filter() may give misleading error message. Solution: Also mention Blob as an allowed argument.

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