Locale example

I have updated the locale example in the manual to be more explicit with
the attached patch.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  PG East:  http://www.enterprisedb.com/community/nav-pg-east-2010.do
Index: charset.sgml
===================================================================
RCS file: /cvsroot/pgsql/doc/src/sgml/charset.sgml,v
retrieving revision 2.96
diff -c -r2.96 charset.sgml
*** charset.sgml    3 Feb 2010 17:25:05 -0000    2.96
--- charset.sgml    28 Feb 2010 02:15:36 -0000
***************
*** 68,75 ****
      in Sweden (<literal>SE</>).  Other possibilities might be
      <literal>en_US</> (U.S. English) and <literal>fr_CA</> (French
      Canadian).  If more than one character set can be used for a
!     locale then the specifications look like this:
!     <literal>cs_CZ.ISO8859-2</>. What locales are available on your
      system under what names depends on what was provided by the operating
      system vendor and what was installed.  On most Unix systems, the command
      <literal>locale -a</> will provide a list of available locales.
--- 68,82 ----
      in Sweden (<literal>SE</>).  Other possibilities might be
      <literal>en_US</> (U.S. English) and <literal>fr_CA</> (French
      Canadian).  If more than one character set can be used for a
!     locale then the specifications can take the form
!     <replaceable>language_territory.codeset</>.  For example,
!     <literal>fr_BE.UTF-8</> represents the French language (fr) as
!     spoken in Belgium (BE), with a <acronym>UTF-8</> character set
!     encoding.
!    </para>
!
!    <para>
!     What locales are available on your
      system under what names depends on what was provided by the operating
      system vendor and what was installed.  On most Unix systems, the command
      <literal>locale -a</> will provide a list of available locales.