diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml
new file mode 100644
index ca2c2b5..6c83789
*** a/doc/src/sgml/plpgsql.sgml
--- b/doc/src/sgml/plpgsql.sgml
*************** arow RECORD;
*** 328,334 ****
      <para>
       The general syntax of a variable declaration is:
  <synopsis>
! <replaceable>name</replaceable> <optional> CONSTANT </optional> <replaceable>type</replaceable> <optional> COLLATE <replaceable>collation_name</replaceable> </optional> <optional> NOT NULL </optional> <optional> { DEFAULT | := } <replaceable>expression</replaceable> </optional>;
  </synopsis>
        The <literal>DEFAULT</> clause, if given, specifies the initial value assigned
        to the variable when the block is entered.  If the <literal>DEFAULT</> clause
--- 328,334 ----
      <para>
       The general syntax of a variable declaration is:
  <synopsis>
! <replaceable>name</replaceable> <optional> CONSTANT </optional> <replaceable>type</replaceable> <optional> COLLATE <replaceable>collation_name</replaceable> </optional> <optional> NOT NULL </optional> <optional> { DEFAULT | := | = } <replaceable>expression</replaceable> </optional>;
  </synopsis>
        The <literal>DEFAULT</> clause, if given, specifies the initial value assigned
        to the variable when the block is entered.  If the <literal>DEFAULT</> clause