runtime(doc): Clarify list-concatenation a bit more Commit: https://github.com/vim/vim/commit/c9c2e2d2ff4429a6b5876ee919f15c1dc0018e86 Author: qeatzy <qeatzy@users.noreply.github.com> Date: Wed Feb 7 17:52:25 2024 +0100 runtime(doc): Clarify list-concatenation a bit more Make doc list-concatenation more clear as for += and extend(). 1. describe `+=` for list-concatenation more accurately 2. add `extend()` example for list-concatenation 3. Fix CI errors for missing helptags reference |+=| closes: #13983 Signed-off-by: qeatzy <qeatzy@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>

" Vim syntax file
" Language:	git send-email message
" Maintainer:	Tim Pope
" Filenames:	.gitsendemail.*
" Last Change:	2016 Aug 29

if exists("b:current_syntax")
  finish
endif

runtime! syntax/mail.vim
unlet! b:current_syntax
syn include @gitsendemailDiff syntax/diff.vim
syn region gitsendemailDiff start=/\%(^diff --\%(git\|cc\|combined\) \)\@=/ end=/^-- %/ fold contains=@gitsendemailDiff

syn case match

syn match   gitsendemailComment "\%^From.*#.*"
syn match   gitsendemailComment "^GIT:.*"

hi def link gitsendemailComment Comment

let b:current_syntax = "gitsendemail"