From: Albert Wagner <alwagner@...>
Date: 2001-09-13T09:50:05+09:00
Subject: [ruby-talk:21178] Tk:  how to unset 'insert' cursor

There exists a TkText#set_insert(index) but no TkText#unset_insert.  Does 
anyone know of a way to unset/hide the insert cursor mark?