patch 8.2.0222: Vim9: optional function arguments don't work yet Commit: https://github.com/vim/vim/commit/170fcfcf250954d76fca86e3fed088ddfdb49383 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 6 17:51:35 2020 +0100 patch 8.2.0222: Vim9: optional function arguments don't work yet Problem: Vim9: optional function arguments don't work yet. Solution: Implement optional function arguments.

" Vim compiler file
" Compiler:	javac
" Maintainer:	Doug Kearns <dougkearns@gmail.com>
" Last Change:	2004 Nov 27

if exists("current_compiler")
  finish
endif
let current_compiler = "javac"

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=javac

CompilerSet errorformat=%E%f:%l:\ %m,%-Z%p^,%-C%.%#,%-G%.%#