patch 9.0.0740: prop_add_list() gives multiple errors for invalid argument Commit: https://github.com/vim/vim/commit/4997f2a605e15261c4f825494324371f271ef6a8 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 13 14:00:45 2022 +0100 patch 9.0.0740: prop_add_list() gives multiple errors for invalid argument Problem: prop_add_list() gives multiple errors for invalid argument. Solution: Only give one error message.

" Vim filetype plugin
" Language:        Jsonnet
" Maintainer:      Cezary Drożak <cezary@drozak.net>
" URL:             https://github.com/google/vim-jsonnet
" Last Change:     2022-09-08

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

" Don't load another plugin for this buffer
let b:did_ftplugin = 1

setlocal commentstring=//\ %s

let b:undo_ftplugin = "setlocal commentstring<"