patch 8.2.4142: build failure with normal features without persistent undo Commit: https://github.com/vim/vim/commit/b4868eddd9cdc7086c88a7a3699dd435d34ae904 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 19 11:24:40 2022 +0000 patch 8.2.4142: build failure with normal features without persistent undo Problem: Build failure with normal features without persistent undo. Solution: Adjust #ifdef. (closes https://github.com/vim/vim/issues/9557)

" Vim filetype plugin file
" Language:	C++
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2020 Jul 26

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Behaves mostly just like C
runtime! ftplugin/c.vim ftplugin/c_*.vim ftplugin/c/*.vim

" C++ uses templates with <things>
" Disabled, because it gives an error for typing an unmatched ">".
" set matchpairs+=<:>
" let b:undo_ftplugin ..= ' | setl matchpairs<'