on x86-64
* bug fix: setting 31st element of a bit vector to zero did not work
on Alpha-32.
+ * bug fix: redefining a class definition which failed due to a
+ previous accessor / function clash now works (but see BUGS entry
+ #380 for more problems in this area). (thanks to Zach Beane)
* fixed some bugs related to Unicode integration:
** the restarts for recovering from input and output encoding
errors only appear when there is in fact such an error to