C-M-\

["Michael R. Crystal" <CRYSTAL%OZ.AI.MIT.EDU@XX.LCS.MIT.EDU>]

I was in lisp mode and created a list with thirty elements.  Each
element was of the form (string (# # # #)).  Hence the list was only
three levels deep, and each level was not overly full.  I wrapped a
(setq x ...) around my list and then marked the whole expression.
Then I typed C-M-\.

An error resulted, something about a stack overflow, and I was tossed
into TECO.

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