patch 8.1.0614: placing signs can be complicated commit https://github.com/vim/vim/commit/162b71479bd4dcdb3a2ef9198a1444f6f99e6843 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 21 15:17:36 2018 +0100 patch 8.1.0614: placing signs can be complicated Problem: Placing signs can be complicated. Solution: Add functions for defining and placing signs. Introduce a group name to avoid different plugins using the same signs. (Yegappan Lakshmanan, closes #3652)

" Vim filetype plugin file
" Language:             calendar(1) input file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl com< cms< inc< fo<"

setlocal comments=s1:/*,mb:*,ex:*/ commentstring& include&
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save