fix: proxy-protocol (CVE-2023-41227) Bug 3031

[exim.git] / doc / doc-docbook / filter.xfpt

diff --git a/doc/doc-docbook/filter.xfpt b/doc/doc-docbook/filter.xfpt
index 4821ef17344680da98a85ff1da65a551851bd708..740b7470a182debd3ec75e3a69a479b0a31acef3 100644 (file)
--- a/doc/doc-docbook/filter.xfpt
+++ b/doc/doc-docbook/filter.xfpt
@@ -8,6 +8,7 @@
 
 .include stdflags
 .include stdmacs
+.include ./local_params
 .docbook
 
 . /////////////////////////////////////////////////////////////////////////////
@@ -44,6 +45,13 @@
 .endmacro
 . ===========================================================================
 
+. Copyright year.  Update this (only) when changing content.
+
+.macro copyyear
+2021
+.endmacro
+
+. ===========================================================================
 
 . /////////////////////////////////////////////////////////////////////////////
 . /////////////////////////////////////////////////////////////////////////////
@@ -59,15 +67,18 @@
 <bookinfo>
 <title>Exim's interfaces to mail filtering</title>
 <titleabbrev>Exim filtering</titleabbrev>
-<date>23 November 2009</date>
+<date>
+.fulldate
+</date>
 <author><firstname>Philip</firstname><surname>Hazel</surname></author>
 <authorinitials>PH</authorinitials>
 <revhistory><revision>
-  <revnumber>4.77</revnumber>
-  <date>10 Oct 2011</date>
+.versiondatexml
   <authorinitials>PH</authorinitials>
 </revision></revhistory>
-<copyright><year>2010</year><holder>University of Cambridge</holder></copyright>
+<copyright><year>
+.copyyear
+           </year><holder>The Exim Maintainers</holder></copyright>
 </bookinfo>
 .literal off
 
@@ -77,8 +88,8 @@
 
 .chapter "Forwarding and filtering in Exim" "CHAPforandfilt"
 This document describes the user interfaces to Exim's in-built mail filtering
-facilities, and is copyright &copy; University of Cambridge 2007. It
-corresponds to Exim version 4.77.
+facilities, and is copyright &copy; The Exim Maintainers &copyyear(). It
+corresponds to Exim version &version().
 
 
 
@@ -1178,7 +1189,9 @@ been obeyed, the &(logwrite)& command can be used to write to it:
 &`e.g. logwrite "$tod_log $message_id processed"`&
 .endd
 It is possible to have more than one &(logfile)& command, to specify writing to
-different log files in different circumstances. Writing takes place at the end
+different log files in different circumstances.
+A previously opened log is closed on a subsequent &(logfile)& command.
+Writing takes place at the end
 of the file, and a newline character is added to the end of each string if
 there isn't one already there. Newlines can be put in the middle of the string
 by using the &"\n"& escape sequence. Lines from simultaneous deliveries may get
@@ -1330,7 +1343,7 @@ A &"contains"& test does a partial string match, having expanded both strings.
 .endd
 
 For a &"matches"& test, after expansion of both strings, the second one is
-interpreted as a regular expression. Exim uses the PCRE regular expression
+interpreted as a regular expression. Exim uses the PCRE2 regular expression
 library, which provides regular expressions that are compatible with Perl.
 
 The match succeeds if the regular expression matches any part of the first