diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/bki.sgml | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/src/sgml/bki.sgml b/doc/src/sgml/bki.sgml index 5b557ffb7bf..e3ba73a9a8d 100644 --- a/doc/src/sgml/bki.sgml +++ b/doc/src/sgml/bki.sgml @@ -248,6 +248,8 @@ <listitem> <para> Null values are represented by <literal>_null_</literal>. + (Note that there is no way to create a value that is just that + string.) </para> </listitem> @@ -752,13 +754,13 @@ $ perl rewrite_dat_with_prokind.pl pg_proc.dat <varlistentry> <term> - <literal>close</literal> <optional><replaceable class="parameter">tablename</replaceable></optional> + <literal>close</literal> <replaceable class="parameter">tablename</replaceable> </term> <listitem> <para> - Close the open table. The name of the table can be given as a - cross-check, but this is not required. + Close the open table. The name of the table must be given as a + cross-check. </para> </listitem> </varlistentry> @@ -782,8 +784,8 @@ $ perl rewrite_dat_with_prokind.pl pg_proc.dat <para> NULL values can be specified using the special key word - <literal>_null_</literal>. Values containing spaces must be - double quoted. + <literal>_null_</literal>. Values that do not look like + identifiers or digit strings must be double quoted. </para> </listitem> </varlistentry> |