patch 8.0.0388: filtering lines changes folds commit https://github.com/vim/vim/commit/1159b168dd94c1a25b4284c6544de385855df6f6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 28 21:53:56 2017 +0100 patch 8.0.0388: filtering lines changes folds Problem: filtering lines through "cat", without changing the line count, changes manual folds. Solution: Change how marks and folds are adjusted. (Matthew Malcomson, from neovim #6194.

Test for script-local function.     vim: set ft=vim :

STARTTEST
:so small.vim
:"
:set nocp viminfo+=nviminfo
:/^start:/+1,/^end:/-1w! Xtest.vim
:source Xtest.vim
_x
:$-1,$wq! test.out
ENDTEST

start:
fun <SID>DoLast()
  call append(line('$'), "last line")
endfun
fun s:DoNothing()
  call append(line('$'), "nothing line")
endfun
nnoremap <buffer> _x	:call <SID>DoNothing()<bar>call <SID>DoLast()<bar>delfunc <SID>DoNothing<bar>delfunc <SID>DoLast<cr>
end: