Document COLLATE option in CREATE TYPE reference page.

Curiously, it was already documented in ALTER TYPE ADD ATTRIBUTE, but
not here.

diff --git a/doc/src/sgml/ref/create_type.sgml b/doc/src/sgml/ref/create_type.sgml
index f5527d8981bcb85df1ea9f23dad17be4d9526602..98e1764b1e917ef40eeaefd5660ca20c556f9a38 100644 (file)
--- a/doc/src/sgml/ref/create_type.sgml
+++ b/doc/src/sgml/ref/create_type.sgml
@@ -22,7 +22,7 @@ PostgreSQL documentation
  
 
 CREATE TYPE name AS
-    ( [ attribute_name data_type [, ... ] ] )
+    ( [ attribute_name data_type [ COLLATE collation ] [, ... ] ] )
 
 CREATE TYPE name AS ENUM
     ( [ 'label' [, ... ] ] )
@@ -77,11 +77,12 @@ CREATE TYPE name
    The first form of CREATE TYPE
    creates a composite type.
    The composite type is specified by a list of attribute names and data types.
-   This is essentially the same as the row type
+   An attribute's collation can be specified too, if its data type is
+   collatable.  A composite type is essentially the same as the row type
    of a table, but using CREATE TYPE avoids the need to
    create an actual table when all that is wanted is to define a type.
-   A stand-alone composite type is useful as the argument or return type of a
-   function.
+   A stand-alone composite type is useful, for example, as the argument or
+   return type of a function.