How to make HTML changes avail immediately?

[Guenter Millahn <Guenter.Millahn@Informatik.TU-Cottbus.DE>]

Dear Debian guys,

probably this is a FAQ. Apologize in that case.

I have a WWW server running (Debian woody on i386, Apache 1.3.20,
PHP4, some additional modules)

Since some weeks I can see the following behaviour:
If a HTML/PHP/whatever source in the Document tree was changed,
I can see the changes in a WWW browser much later or after restarting
Apache.

Does anybody of yo know how to make the changes avail immediately to
the browser? Is there possibly a FAQ or a HowTo file?

Thank you.
Guenter