patch 8.1.1884: cannot use mouse scroll wheel in popup in Insert mode commit https://github.com/vim/vim/commit/f0bc15c769b60f472d411b3ef98d57db510113c1 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 18 19:23:45 2019 +0200 patch 8.1.1884: cannot use mouse scroll wheel in popup in Insert mode Problem: Cannot use mouse scroll wheel in popup in Insert mode. Mouse clicks in popup close the popup menu. Solution: Check if the mouse is in a popup window. Do not let mouse events close the popup menu. (closes #4544)

" Language:      TT2 embedded with Javascript
" Maintainer:    Andy Lester <andy@petdance.com>
" Author:        Yates, Peter <pd.yates@gmail.com>
" Homepage:      http://github.com/vim-perl/vim-perl
" Bugs/requests: http://github.com/vim-perl/vim-perl/issues
" Last Change:   2013-07-21

if exists("b:current_syntax")
    finish
endif

runtime! syntax/javascript.vim
unlet b:current_syntax

runtime! syntax/tt2.vim
unlet b:current_syntax

syn cluster javascriptPreProc add=@tt2_top_cluster

let b:current_syntax = "tt2js"