On Sun, Jun 12, 2005 at 10:07:48PM -0400, Christopher Li wrote: > > + while lb < lenb and la < len and a[la] == b[lb] : > ^^^^ This should be lena. Damm, my bad. So not being a python expert --- stupid question, why didn't this blow up when I ran it on my Debian python 2.3.5? And why did it appear to be a timing depending problem? - Ted