Debugging in guile

[Ian Bicking <ian@bickiia.earlhall.earlham.edu>]

Is there a way to inspect the backtrace?  In particular, to expand all 
the abreviation it does with "#" and "..."?  Those numbers next to
each frame imply it must be possible, if I just knew the command...

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< Ian Bicking                 |  bickiia@earlham.edu                >
< drawer #419 Earlham College |  http://www.cs.earlham.edu/~bickiia >
< Richmond, IN 47374          |  (765) 973-2824                     >
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