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 compiler file
" Compiler:         GHC Haskell Compiler
" Maintainer:       Daniel Campoverde <alx@sillybytes.net>
" Latest Revision:  2016-11-29

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

let s:cpo_save = &cpo
set cpo&vim

CompilerSet errorformat=
    \%-G%.%#:\ build,
    \%-G%.%#preprocessing\ library\ %.%#,
    \%-G[%.%#]%.%#,
    \%E%f:%l:%c:\ %m,
    \%-G--%.%#

if exists('g:compiler_ghc_ignore_unmatched_lines')
  CompilerSet errorformat+=%-G%.%#
endif

let &cpo = s:cpo_save
unlet s:cpo_save