fix sub2_honour_dollar type

[users/jgh/exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 51c9b8bab8b65c4578fac6ddceb3dc33f57e1715..530d9e3c493924ca09468cceb8c8814a8b5175af 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -46,7 +46,7 @@
 . /////////////////////////////////////////////////////////////////////////////
 
 .set previousversion "4.75"
-.set version "4.76"
+.set version "4.77"
 
 .set ACL "access control lists (ACLs)"
 .set I   "    "
@@ -174,8 +174,8 @@
 <author><firstname>Exim</firstname><surname>Maintainers</surname></author>
 <authorinitials>EM</authorinitials>
 <revhistory><revision>
-  <revnumber>4.76</revnumber>
-  <date>06 May 2011</date>
+  <revnumber>4.77</revnumber>
+  <date>03 Oct 2011</date>
   <authorinitials>EM</authorinitials>
 </revision></revhistory>
 <copyright><year>2011</year><holder>University of Cambridge</holder></copyright>
@@ -10079,6 +10079,25 @@ string is lexically greater than the second string. For &%gt%& the comparison
 includes the case of letters, whereas for &%gti%& the comparison is
 case-independent.
 
+.new
+.vitem &*inlist&~{*&<&'string1'&>&*}{*&<&'string2'&>&*}*& &&&
+       &*inlisti&~{*&<&'string1'&>&*}{*&<&'string2'&>&*}*&
+.cindex "string" "comparison"
+.cindex "list" "iterative conditions"
+Both strings are expanded; the second string is treated as a list of simple
+strings; if the first string is a member of the second, then the condition
+is true.
+
+These are simpler to use versions of the more powerful &*forany*& condition.
+Examples, and the &*forany*& equivalents:
+.code
+${if inlist{needle}{foo:needle:bar}}
+  ${if forany{foo:needle:bar}{eq{$item}{needle}}}
+${if inlisti{Needle}{fOo:NeeDLE:bAr}}
+  ${if forany{fOo:NeeDLE:bAr}{eqi{$item}{Needle}}}
+.endd
+.wen
+
 .vitem &*isip&~{*&<&'string'&>&*}*&  &&&
        &*isip4&~{*&<&'string'&>&*}*& &&&
        &*isip6&~{*&<&'string'&>&*}*&
@@ -10265,6 +10284,11 @@ item can be used, as in all address lists, to cause subsequent items to
 have their local parts matched casefully. Domains are always matched
 caselessly.
 
+.new
+Note that <&'string2'&> is not itself subject to string expansion, unless
+Exim was built with the EXPAND_LISTMATCH_RHS option.
+.wen
+
 &*Note*&: Host lists are &'not'& supported in this way. This is because
 hosts have two identities: a name and an IP address, and it is not clear
 how to specify cleanly how such a test would work. However, IP addresses can be