RE: [xml-dev] US Patent 6,687,897

> but then the #! of the unix exec call is probably the real 
> precursor of all these ideas, and the file system simply a 
> place to store the scripts.

I sometimes wonder what would have happened if some of the really
fundamental ideas in computer science, like the use of a stack to store
return addresses of subroutine calls (attributed to David Wheeler) had
been patented.

Michael Kay