上二下中 toien

Merged from https://github.com/joelparkerhenderson/git_commit_message and https://chris.beams.io/posts/git-commit/

Commit messages must have a subject line and may have body copy. These must be separated by a blank line.
The subject line must not exceed 50 characters
The subject line should be capitalized and must not end in a period
The subject line must be written in imperative mood (Fix, not Fixed / Fixes etc.)
The body copy must be wrapped at 72 columns
The body copy must only contain explanations as to what and why, never how. The latter belongs in documentation and implementation.

	function! Osc52Yank()
	" 注意：如果你的 Vim 不支持 clipboard，复制时需要使用 " 寄存器
	if v:event.regname !=# '"'
	return
	endif

	" 自动获取最后一次复制的内容（使用 v:event.regcontents 避免寄存器偏移）
	let l:content = join(v:event.regcontents, "\n")
	if empty(l:content) \| return \| endif