set number
:set numberset relativenumber
:set relativenumbertoggle relativenumber
set rnu
set rnu!open file whith gbk encoding
:e ++env=gbk yuewei_file_testDlg.cpptrans gbk encoding to utf-8
:e ++env=gbk|set fileencoding=utf-8|w查找特定单词
/\<${world}\>Last updated on