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-$Cambridge: exim/doc/doc-txt/NewStuff,v 1.102 2006/04/27 08:53:24 ph10 Exp $
+$Cambridge: exim/doc/doc-txt/NewStuff,v 1.110 2006/09/19 14:31:06 ph10 Exp $
 
 New Features in Exim
 --------------------
 
-This file contains descriptions of new features that have been added to Exim,
-but have not yet made it into the main manual (which is most conveniently
-updated when there is a relatively large batch of changes). The doc/ChangeLog
-file contains a listing of all changes, including bug fixes.
+This file contains descriptions of new features that have been added to Exim.
+Before a formal release, there may be quite a lot of detail so that people can
+test from the snapshots or the CVS before the documentation is updated. Once
+the documentation is updated, this file is reduced to a short list.
+
+
+Version 4.64
+------------
+
+1. ACL variables can now be given arbitrary names, as long as they start with
+   "acl_c" or "acl_m" (for connection variables and message variables), are
+   at least six characters long, with the sixth character being either a digit
+   or an underscore. The rest of the name can contain alphanumeric characters
+   and underscores. This is a compatible change because the old set of
+   variables such as acl_m12 are a subset of the allowed names. There may now
+   be any number of ACL variables. For example:
+
+     set acl_c13   = value for original ACL variable
+     set acl_c13b  = whatever
+     set acl_m_foo = something
+
+   What happens if a syntactically valid but undefined ACL variable is
+   referenced depends on the setting of the strict_acl_vars option. If it is
+   false (the default), an empty string is substituted; if it is true, an error
+   is generated. This affects all ACL variables, including the "old" ones such
+   as acl_c4. (Previously there wasn't the concept of an undefined ACL
+   variable.)
+
+   The implementation has been done in such a way that spool files containing
+   ACL variable settings written by previous releases of Exim are compatible
+   and can be read by the new release. If only the original numeric names are
+   used, spool files written by the new release can be read by earlier
+   releases.
+
+
+Version 4.63
+------------
+
+1. There is a new Boolean option called filter_prepend_home for the redirect
+   router.
+
+2. There is a new acl, set by acl_not_smtp_start, which is run right at the
+   start of receiving a non-SMTP message, before any of the message has been
+   read.
+
+3. When an SMTP error message is specified in a "message" modifier in an ACL,
+   or in a :fail: or :defer: message in a redirect router, Exim now checks the
+   start of the message for an SMTP error code.
+
+4. There is a new parameter for LDAP lookups called "referrals", which takes
+   one of the settings "follow" (the default) or "nofollow".
+
+5. Version 20070721.2 of exipick now included, offering these new options:
+    --reverse
+        After all other sorting options have bee processed, reverse order
+        before displaying messages (-R is synonym).
+    --random
+        Randomize order of matching messages before displaying.
+    --size
+        Instead of displaying the matching messages, display the sum
+        of their sizes.
+    --sort <variable>[,<variable>...]
+        Before displaying matching messages, sort the messages according to
+        each messages value for each variable.
+    --not
+        Negate the value for every test (returns inverse output from the
+        same criteria without --not).
+
 
 Version 4.62
 ------------