patch 9.0.1686: undotree() only works for the current buffer Commit: https://github.com/vim/vim/commit/5fee11114975b7405b7ccd3ee8758e54bf559760 Author: Devin J. Pohly <djpohly@gmail.com> Date: Sun Apr 23 20:26:59 2023 -0500 patch 9.0.1686: undotree() only works for the current buffer Problem: undotree() only works for the current buffer Solution: Add an optional "buffer number" parameter to undotree(). If omitted, use the current buffer for backwards compatibility. closes: #4001 closes: #12292 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: zeertzjq <zeertzjq@outlook.com> Co-authored-by: Devin J. Pohly <djpohly@gmail.com>

" 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