"Chris Kassopulo" ckasso@sprynet.com wrote in message news:fvhq9m$l8m$1@ger.gmane.org...
Try Omnibrowser. It can have multiple code panes. Here's a blog that talks about it in an entry called "Better Code Browsing in Squeak".
Wow. Grouping, multi-code panes, and back button. Thank you for the pointer!