0.7.6.1:

0.7.6.1:
	Mostly-tested but still considered "experimental" non-invasive
	stack exhaustion checking, using a guard page at the end of the
	stack and an extra clause in the sigsegv (on some ports, sigbus)
	handler.  One day there will be an internals doc with the
	gory details: for now, try http://ww.telent.net/diary/2002/7/#23.59392