add 4.8.0 changes - could probably format these better

diff --git a/docs/lua-records/functions.rst b/docs/lua-records/functions.rst
index c6f9f8f109dc096efa1a3312f50646894abf0b21..f01466eb0a944803d259f7210768a350364ddba3 100644 (file)
--- a/docs/lua-records/functions.rst
+++ b/docs/lua-records/functions.rst
@@ -308,6 +308,8 @@ Reverse DNS functions
     $ dig +short A 127.0.0.5.static.example.com @ns1.example.com
     127.0.0.5
   
+  Since 4.8.0: the hex format can be prefixed by any number of characters (within DNS label length limits), including zero characters (so no prefix).
+
 .. function:: createReverse6(format[, exceptions])
 
   Used for generating default hostnames from IPv6 wildcard reverse DNS records, e.g. ``*.1.0.0.2.ip6.arpa``
@@ -375,6 +377,8 @@ Reverse DNS functions
     $ dig +short AAAA 2001-a-b--1.static6.example.com @ns1.example.com
     2001:a:b::1
 
+  Since 4.8.0: a non-split full length format (``20010002000300040005000600070db8.example.com``) is also supported, optionally prefixed, in which case the last 32 characters will be considered.
+
 .. function:: filterForward(address, masks[, fallback])
 
   .. versionadded:: 4.5.0