Merge branch 'release/v4.39.0'v4.39.0

* release/v4.39.0: (33 commits)
  Bump VERSION
  Use case-sensitive operators to appease vim-vint
  Correct :return to :break
  Run repeat blank squeeze on mail reply
  Normalise quoting in mail
  Strip trailing blanks after greeting
  Improve opening-greeting strip from mail ftplugin
  Add foldexpr function deletion to undo
  Give credit to Tim Pope
  Adopt heading-based Markdown folding
  Remove redundancies from 'formatoptions' setting
  Break apart 'comments' definitions
  Use variable assignment for complex pattern
  Correct definition for b:undo_ftplugin
  Refactor undo_ftplugin lines for Markdown ftplugin
  Break up Markdown ftplugin option settings
  Adjust header/footer for Markdown ftplugin
  Remove HTML ftplugin import from Markdown ftplugin
  Move my after ftplugin for Markdown into main
  Add Tim Pope's Markdown ftplugin
  ...

1 files changed, 6 insertions, 0 deletions

diff --git a/vim/after/ftplugin/vim.vim b/vim/after/ftplugin/vim.vim
index 76608691..5b4d0f95 100644
--- a/vim/after/ftplugin/vim.vim
+++ b/vim/after/ftplugin/vim.vim
@@ -16,6 +16,12 @@ if &keywordprg !=# ':help'
   let b:undo_ftplugin .= '|setlocal keywordprg<'
 endif
 
+" Keywords for including files
+let &l:include = '\<source\>\|\<runtime!\=\>'
+
+" Search runtime paths for included scripts
+let &l:path = &runtimepath . ',' . &path
+
 " Adjust the match words for the matchit plugin; the default filetype plugin
 " matches e.g. an opening "function" with the first "return" within, which I
 " don't like