patch 8.0.1759: memory leak from duplicate options commit https://github.com/vim/vim/commit/09d1d51df5d9b215e583b5bbe36df46afb3db35f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 24 20:23:56 2018 +0200 patch 8.0.1759: memory leak from duplicate options Problem: Memory leak from duplicate options. (Yegappan Lakshmanan) Solution: Don't set the default value twice.

" Vim filetype plugin file
" Language:	groovy
" Maintainer:	Justin M. Keyes <justinkz@gmail.com>
" Last Change:	2016 May 22

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

let s:cpo_save = &cpo
set cpo-=C

let b:undo_ftplugin = 'setlocal commentstring<'

setlocal commentstring=//%s

let &cpo = s:cpo_save
unlet s:cpo_save