Darrell Anderson wrote:
> When Kate is already open, and in Firefox I press Ctrl-U to open the web page in the assigned external text editor (Kate), the web content opens in a second Kate session.
> 
> I want to use the current session only. I'm an MDI kind of person. :)

Maybe using kwrite instead of kate would work in your case? The actual
KParts are the same, it's just that kwrite lacks some things like
multiple sessions.

Good luck!
Julius