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Fix some SGML-compiler warnings on -wxml mode.

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This commit is contained in:
Alvaro Herrera
2009-02-04 21:30:41 +00:00
parent d8a30eca2e
commit d1cf27a8ee
5 changed files with 83 additions and 83 deletions
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26
doc/src/sgml/syntax.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.129 2008/12/31 23:42:56 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.130 2009/02/04 21:30:41 alvherre Exp $ -->
<chapter id="sql-syntax">
<title>SQL Syntax</title>
@@ -194,11 +194,11 @@ UPDATE "my_table" SET "a" = 5;
identifiers</secondary></indexterm> A variant of quoted
identifiers allows including escaped Unicode characters identified
by their code points. This variant starts
with <literal>U&</literal> (upper or lower case U followed by
with <literal>U&amp;</literal> (upper or lower case U followed by
ampersand) immediately before the opening double quote, without
any spaces in between, for example <literal>U&"foo"</literal>.
any spaces in between, for example <literal>U&amp;"foo"</literal>.
(Note that this creates an ambiguity with the
operator <literal>&</literal>. Use spaces around the operator to
operator <literal>&amp;</literal>. Use spaces around the operator to
avoid this problem.) Inside the quotes, Unicode characters can be
specified in escaped form by writing a backslash followed by the
four-digit hexadecimal code point number or alternatively a
@@ -206,12 +206,12 @@ UPDATE "my_table" SET "a" = 5;
hexadecimal code point number. For example, the
identifier <literal>"data"</literal> could be written as
<programlisting>
U&"d\0061t\+000061"
U&amp;"d\0061t\+000061"
</programlisting>
The following less trivial example writes the Russian
word <quote>slon</quote> (elephant) in Cyrillic letters:
<programlisting>
U&"\0441\043B\043E\043D"
U&amp;"\0441\043B\043E\043D"
</programlisting>
</para>
@@ -221,7 +221,7 @@ U&"\0441\043B\043E\043D"
the <literal>UESCAPE</literal><indexterm><primary>UESCAPE</primary></indexterm>
clause after the string, for example:
<programlisting>
U&"d!0061t!+000061" UESCAPE '!'
U&amp;"d!0061t!+000061" UESCAPE '!'
</programlisting>
The escape character can be any single character other than a
hexadecimal digit, the plus sign, a single quote, a double quote,
@@ -458,11 +458,11 @@ SELECT 'foo' 'bar';
<productname>PostgreSQL</productname> also supports another type
of escape syntax for strings that allows specifying arbitrary
Unicode characters by code point. A Unicode escape string
constant starts with <literal>U&</literal> (upper or lower case
constant starts with <literal>U&amp;</literal> (upper or lower case
letter U followed by ampersand) immediately before the opening
quote, without any spaces in between, for
example <literal>U&'foo'</literal>. (Note that this creates an
ambiguity with the operator <literal>&</literal>. Use spaces
example <literal>U&amp;'foo'</literal>. (Note that this creates an
ambiguity with the operator <literal>&amp;</literal>. Use spaces
around the operator to avoid this problem.) Inside the quotes,
Unicode characters can be specified in escaped form by writing a
backslash followed by the four-digit hexadecimal code point
@@ -470,12 +470,12 @@ SELECT 'foo' 'bar';
followed by a six-digit hexadecimal code point number. For
example, the string <literal>'data'</literal> could be written as
<programlisting>
U&'d\0061t\+000061'
U&amp;'d\0061t\+000061'
</programlisting>
The following less trivial example writes the Russian
word <quote>slon</quote> (elephant) in Cyrillic letters:
<programlisting>
U&'\0441\043B\043E\043D'
U&amp;'\0441\043B\043E\043D'
</programlisting>
</para>
@@ -485,7 +485,7 @@ U&'\0441\043B\043E\043D'
the <literal>UESCAPE</literal><indexterm><primary>UESCAPE</primary></indexterm>
clause after the string, for example:
<programlisting>
U&'d!0061t!+000061' UESCAPE '!'
U&amp;'d!0061t!+000061' UESCAPE '!'
</programlisting>
The escape character can be any single character other than a
hexadecimal digit, the plus sign, a single quote, a double quote,