docs: Fix protocol version 3.2 message format of CancelRequest

Since protocol version 3.2 the CancelRequest does not have a fixed size
length anymore. The protocol docs still listed the length field to be a
constant number though. This fixes that.

Author: Jelte Fennema-Nio <[email protected]>
Reported-by: Dmitry Igrishin <[email protected]>
Backpatch-through: 18

diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index b5395604fb8b793c2670f97ab9d09a4b97cea13e..9d7552328736153879570f0b124a5139799cc306 100644 (file)
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -4327,7 +4327,7 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
     <listitem>
      <variablelist>
       <varlistentry>
-       <term>Int32(16)</term>
+       <term>Int32</term>
        <listitem>
         <para>
          Length of message contents in bytes, including self.