[Zope] Where is the difference between URL0 and BASE3

[Dieter Maurer]

Loibl Johann writes:
 > Could someone tell me where is the difference between
 > URL0 and BASE3 or 
 > URL1 and BASE2 ...
URLn removes "n" URL path components from the right,
BASEn consists of the first "n+1" or "n+2" URL components.

Thus, if you URL is "host/u1/u2/..../un",
then URL0 is URL, URL1 is the last component "un" removed,
ULR2 is the last two components "u{n-1}/un" removed etc.

Usually (unless you access Zope via CGI), BASE0=BASE1=host.
BASE2 is "host/u1", BASE3 is "host/u1/u2" etc.

If your URL has 3 components, then URL0 and BASE3 are identical,
otherwise, they are not.


Dieter