Converts the looked up key to all upper case.
<LI><STRONG>tolower</STRONG>:<BR>
Converts the looked up key to all lower case.
+ <LI><STRONG>escape</STRONG>:<BR>
+ Translates special characters in the looked up key to hex-encodings.
+ <LI><STRONG>unescape</STRONG>:<BR>
+ Translates hex-encodings in the looked up key back to special characters.
</UL>
<P>
<LI><STRONG>External Rewriting Program</STRONG><BR>
chance is high that you will run into problems (or even overhead) on sub-requests.
In these cases, use this flag.
<P>
+<LI>'<STRONG><CODE>nocase|NC</CODE></STRONG>' (<STRONG>n</STRONG>o <STRONG>c</STRONG>ase)<BR>
+ This makes the <EM>Pattern</EM> case-insensitive, <EM>i.e.</EM>, there is
+ no difference between 'A-Z' and 'a-z' when <EM>Pattern</EM> is matched
+ against the current URL.
+<P>
<LI>'<STRONG><CODE>qsappend|QSA</CODE></STRONG>' (<STRONG>q</STRONG>uery <STRONG>s</STRONG>tring
<STRONG>a</STRONG>ppend)<BR>
This flag forces the rewriting engine to append a query