patch 8.2.2846: Vim9: "echo Func()" does not give an error for using void Commit: https://github.com/vim/vim/commit/68db996b621b98066fb7ab7028ed5c6aaa3954a8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 9 23:19:22 2021 +0200 patch 8.2.2846: Vim9: "echo Func()" does not give an error for using void Problem: Vim9: "echo Func()" does not give an error for a function without a return value. Solution: Give an error. Be more specific about why a value is invalid.

" Vim syntax file
" Language:	Vue.js Single File Component
" Maintainer:	Ralph Giles <giles@thaumas.net>
" URL:		https://vuejs.org/v2/guide/single-file-components.html
" Last Change:	2019 Jul 8

" Quit if a syntax file was already loaded.
if exists("b:current_syntax")
  finish
endif

" We have a collection of html, css and javascript wrapped in
" tags. The default HTML syntax highlight works well enough.
runtime! syntax/html.vim