> Why is there "self halt" in some methods like
> StandardFileStream class>>newFileNamed:
> StandardFileStream class>>oldFileNamed:
> StandardFileStream class>>readOnlyFileNamed:

Because if you reach this point something is wrong. And unless we have a
better exception system "self halt" is a very simple way to point this out
;-)

Hope this helps,
  Andreas
-- 
Linear algebra is your friend - Trigonometry is your enemy.
+===== Andreas Raab ============= (raab at isg.cs.uni-magdeburg.de) =====+
I Department of Simulation and Graphics      Phone: +49 391 671 8065  I
I University of Magdeburg, Germany           Fax:   +49 391 671 1164  I
+=============< http://isgwww.cs.uni-magdeburg.de/~raab >=============+