></A
>9. Filter Files</H1
><P
-> All text substitutions that can be invoked through the
+> On-the-fly text substitutions that can be invoked through the
<TT
CLASS="LITERAL"
><A
HREF="actions-file.html#FILTER"
>filter</A
></TT
-> action which
- must first be defined in a <SPAN
+> action need
+ to be defined in a <SPAN
CLASS="QUOTE"
>"filter file"</SPAN
->, such as
- <TT
-CLASS="FILENAME"
->default.filter</TT
+>. Once defined, they
+ can then be invoked as an <SPAN
+CLASS="QUOTE"
+>"action"</SPAN
>. Mulitple filter files can be
defined through the <TT
CLASS="LITERAL"
HREF="config.html#FILTERFILE"
>filterfile</A
></TT
-> config
- option. The filters as supplied by the developers will be found in
+> config directive. The filters
+ as supplied by the developers will be found in
<TT
CLASS="FILENAME"
>default.filter</TT
>. It is recommended that any locally
- defined or modified filters go in a separately defined file such as
+ defined or modified filters go in a separately defined file such as
<TT
CLASS="FILENAME"
>user.filter</TT
CLASS="QUOTE"
>"roll
your own"</SPAN
-> filters, you should be familiar with HTML syntax.</P
+> filters, you should first be familiar with HTML syntax,
+ and, of course, regular expressions. By default, filters are only applied
+ to the document content, but can be extended to the headers with
+ the supplemental actions:
+ <A
+HREF="actions-file.html#FILTER-CLIENT-HEADERS"
+>filter-client-headers</A
+> and
+ <A
+HREF="actions-file.html#FILTER-SERVER-HEADERS"
+>filter-server-headers</A
+>.</P
><P
> Just like the <A
HREF="actions-file.html"
><H2
CLASS="SECT2"
><A
-NAME="AEN3902"
+NAME="AEN3994"
></A
>9.1. Filter File Tutorial</H2
><P
anything regarding this filter.
</P
></DD
-><DT
-><A
-NAME="FILTER-SERVER-HEADERS"
-></A
-><SPAN
-CLASS="emphasis"
-><I
-CLASS="EMPHASIS"
->filter-server-headers</I
-></SPAN
-></DT
-><DD
-><P
-> </P
-></DD
-><DT
-><A
-NAME="FILTER-CLIENT-HEADERS"
-></A
-><SPAN
-CLASS="emphasis"
-><I
-CLASS="EMPHASIS"
->filter-client-headers</I
-></SPAN
-></DT
-><DD
-><P
-> </P
-></DD
></DL
></DIV
></DIV