patch 8.0.0702: an error in a timer can make Vim unusable commit https://github.com/vim/vim/commit/c577d813b7978345dec4310b2d8f5d5624a681f6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 8 22:37:34 2017 +0200 patch 8.0.0702: an error in a timer can make Vim unusable Problem: An error in a timer can make Vim unusable. Solution: Don't set the error flag or exception from a timer. Stop a timer if it causes an error 3 out of 3 times. Discard an exception caused inside a timer.

" Language:      TT2 embedded with HTML
" Maintainer:    vim-perl <vim-perl@googlegroups.com>
" Author:        Moriki, Atsushi <4woods+vim@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/html.vim
unlet b:current_syntax

runtime! syntax/tt2.vim
unlet b:current_syntax

syn cluster htmlPreProc add=@tt2_top_cluster

let b:current_syntax = "tt2html"