Modify content of tips of actions

Table of Placeholders

Placeholder	Description	Values
%a	name of action	Open, Search, etc.
%s	your selection	may be anything
%g	activate status of tab	Foreground, Background
%t	position of tab	Left, Right, Last, etc
%e	name of search engine	depends on the engine you select
%d	name of download directory	it is among the first row of option-page/download
%y	type of action	Text, Link, Image (depends on your selection)
\n	new line

Usage

It will just replace any placeholder with value they should be without extra process.So "%%a% " and "%as" are fine. The simplest pattern may be "%a".