patch 8.0.0390: when the window scrolls the popup menu may be garbled commit https://github.com/vim/vim/commit/cb03642399ae4f3c47a006f608a6b912f9d98b5f Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 1 12:29:10 2017 +0100 patch 8.0.0390: when the window scrolls the popup menu may be garbled Problem: When the window scrolls horizontally when the popup menu is displayed part of it may not be cleared. (Neovim issue https://github.com/vim/vim/issues/6184) Solution: Remove the menu when the windows scrolled. (closes #1524)

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: