GtkTextView memory leak?

[martyn 2 russell bt com]

I have put a GtkTextView in my application somewhere, with NO callbacks (for
key presses etc) at all.
If I run gnome-system-monitor on my application the memory consumption rises
by about 0.1 mb to 0.2 mb every second that I type spuriously into the text
box.

I am using Gtk 2.0.6.  Is this a bug which has been fixed in the latest
relases ? 

Regards,
Martyn