The refactoring browser code is currently telling me that I'm going to need to mess with coderefs in @INC. And tied filehandles. And Safe. And...
What on earth was I thinking. I've given myself a deadline of the next London.pm technical meeting to produce a working browser that can do 'extract method', and I'm dreadful at GUIs. Looks like I'm going to need to take a closer look at the Emacs/Perl integration that someone (whose name has escaped me) has been working on...