Trim trailing whitespace

doc/src/sgml/func.sgml

@@ -4361,7 +4361,7 @@ SELECT (regexp_match('foobarbequebaz', 'bar.*que'))[1];
    <para>
     Some examples:
 <programlisting>
- SELECT regexp_matches('foo', 'not there');
+SELECT regexp_matches('foo', 'not there');
  regexp_matches
 ----------------
 (0 rows)

doc/src/sgml/high-availability.sgml

@@ -1175,7 +1175,7 @@ synchronous_standby_names = 'FIRST 2 (s1, s2, s3)'
     An example of <varname>synchronous_standby_names</> for
     a quorum-based multiple synchronous standbys is:
 <programlisting>
- synchronous_standby_names = 'ANY 2 (s1, s2, s3)'
+synchronous_standby_names = 'ANY 2 (s1, s2, s3)'
 </programlisting>
     In this example, if four standby servers <literal>s1</>, <literal>s2</>,
     <literal>s3</> and <literal>s4</> are running, transaction commits will

doc/src/sgml/libpq.sgml

@@ -5941,9 +5941,9 @@ char *PQencryptPasswordConn(PGconn *conn, const char *passwd, const char *user,
     <listitem>
      <para>
       Prepares the md5-encrypted form of a <productname>PostgreSQL</> password.
- <synopsis>
+<synopsis>
 char *PQencryptPassword(const char *passwd, const char *user);
- </synopsis>
+</synopsis>
       <function>PQencryptPassword</> is an older, deprecated version of
       <function>PQencryptPasswodConn</>. The difference is that
       <function>PQencryptPassword</> does not