Docs: add index entry for string-concatenation

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 7a7608bd6153b766b98c4c2efacc28dd5e822099..dea7bc76180c9246b775668cb80bfbef991a9968 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -9200,6 +9200,7 @@ Many strings in Exim's runtime configuration are expanded before use. Some of
 them are expanded every time they are used; others are expanded only once.
 
 When a string is being expanded it is copied verbatim from left to right except
+.cindex expansion "string concatenation"
 when a dollar or backslash character is encountered. A dollar specifies the
 start of a portion of the string that is interpreted and replaced as described
 below in section &<<SECTexpansionitems>>& onwards. Backslash is used as an
@@ -12182,6 +12183,7 @@ This variable contains the version string of the Exim build.
 The first character is a major version number, currently 4.
 Then after a dot, the next group of digits is a minor version number.
 There may be other characters following the minor version.
+This value may be overridden by the &%exim_version%& main config option.
 
 .vitem &$header_$&<&'name'&>
 This is not strictly an expansion variable. It is expansion syntax for
@@ -13513,7 +13515,8 @@ Otherwise, empty.
 
 .vitem &$version_number$&
 .vindex "&$version_number$&"
-The version number of Exim.
+The version number of Exim. Same as &$exim_version$&, may be overridden
+by the &%exim_version%& main config option.
 
 .vitem &$warn_message_delay$&
 .vindex "&$warn_message_delay$&"
@@ -15344,6 +15347,14 @@ not also supplied, the gid is taken from the result of &[getpwnam()]& if it is
 used. See chapter &<<CHAPsecurity>>& for a discussion of security issues.
 
 
+.option exim_version main string "current version"
+.cindex "Exim version"
+.cindex customizing "version number"
+.cindex "version number of Exim" override
+This option allows to override the &$version_number$&/&$exim_version$& Exim reports in
+various places.  Use with care, this may fool stupid security scanners.
+
+
 .option extra_local_interfaces main "string list" unset
 This option defines network interfaces that are to be considered local when
 routing, but which are not used for listening by the daemon. See section
@@ -16169,7 +16180,7 @@ harm. This option overrides the &%pipe_as_creator%& option of the &(pipe)&
 transport driver.
 
 
-.option openssl_options main "string list" "+no_sslv2 +single_dh_use +no_ticket"
+.option openssl_options main "string list" "+no_sslv2 +no_sslv3 +single_dh_use +no_ticket"
 .cindex "OpenSSL "compatibility options"
 This option allows an administrator to adjust the SSL options applied
 by OpenSSL to connections.  It is given as a space-separated list of items,
@@ -17565,7 +17576,7 @@ use when sending messages as a client, you must set the &%tls_certificate%&
 option in the relevant &(smtp)& transport.
 
 &*Note*&: If you use filenames based on IP addresses, change the list
-separator in the usual way (&<<SECTlistsepchange>>&) >to avoid confusion under IPv6.
+separator in the usual way (&<<SECTlistsepchange>>&) to avoid confusion under IPv6.
 
 &*Note*&: Under versions of OpenSSL preceding 1.1.1,
 when a list of more than one
@@ -28319,7 +28330,7 @@ There is no current way to staple a proof for a client certificate.
 
 
 
-.section "Configuring an Exim client to use TLS" "SECID185"
+.section "Configuring an Exim client to use TLS" "SECTclientTLS"
 .cindex "cipher" "logging"
 .cindex "log" "TLS cipher"
 .cindex "log" "distinguished name"