patch 8.1.1780: warning for file no longer available is repeated commit https://github.com/vim/vim/commit/674e2bde6e7b0c468f304713aa8f97a45e1fcc89 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 31 20:21:01 2019 +0200 patch 8.1.1780: warning for file no longer available is repeated Problem: Warning for file no longer available is repeated every time Vim is focused. (Brian Armstrong) Solution: Only give the message once. (closes #4748)

" Vim filetype plugin
" Language:      ART-IM and ART*Enterprise
" Maintainer:    Dorai Sitaram <ds26@gte.com>
" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change:   Apr 2, 2003

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

run ftplugin/lisp.vim

setl lw-=if
setl lw+=def-art-fun,deffacts,defglobal,defrule,defschema,for,schema,while