patch 8.1.1338: hang when concealing the '>' shown for half of wide char commit https://github.com/vim/vim/commit/0ebe12be86d9f79bfa833306a0302a68a0f4fc30 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 17 12:31:44 2019 +0200 patch 8.1.1338: hang when concealing the '>' shown for half of wide char Problem: Hang when concealing the '>' shown for a wide char that doesn't fit in the last cell. Solution: Put back the pointer when the '>' is not going to be displayed. (closes #4377)

" 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"