Basic HTML version of Foils prepared 2 Sept 1997 
| If any request for a document or script satisfies the validity requirements, then an environment variable HTTP_COOKIE is set to have all the cookie values. |
| Cookies are key, value pairs and are encoded just like all other fields, EXCEPT that they are separated by ; (instead of &). |
| in Perl: $ENV{'HTTP_COOKIE'} |
| could have the value: full+name=Max+Planck;Occupation=physicist |
| This can be decoded in a similar fashion as the standard ReadParse subroutine, except that you must split the fields on ";". |