What is Abbrev
Abbreviations can be defined by you. when you press [Ctrl]+[K], the expansion is found and used to replace the abbreviation. Abbreviation expansion setting.
You can regist abbreviation for fixed type strings.
You frequently use below code when [Run By].
ARGF.each{|line| }
You input only
ae
and press [AbbrevExpansion(Ctrl + K)]. Show Abbrev Option.
You can set abbrev from [Tool]-[Abbrev]. First "|" is deleted and set cursor. You need eacape the "|" by "" (ex. "|").