Fix GH-1181: Incorrect example for IntlDateFormatter::setPattern()

In addition to fixing the format specifiers, we also echo line breaks,
so the output matches the example code.

Author: cmb69

reference/intl/dateformatter/set-pattern.xml

@@ -77,12 +77,11 @@ $fmt = datefmt_create(
     IntlDateFormatter::GREGORIAN,
     'MM/dd/yyyy'
 );
-echo 'pattern of the formatter is : ' . datefmt_get_pattern($fmt);
-echo 'First Formatted output with pattern is ' . datefmt_format($fmt, 0);
-datefmt_set_pattern($fmt, 'yyyymmdd hh:mm:ss z');
-echo 'Now pattern of the formatter is : ' . datefmt_get_pattern($fmt);
-echo 'Second Formatted output with pattern is ' . datefmt_format($fmt, 0);
-
+echo 'Pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
+echo 'First Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
+datefmt_set_pattern($fmt, 'yyyyMMdd hh:mm:ss z');
+echo 'Now pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
+echo 'Second Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
 ?>
 ]]>
     </programlisting>
@@ -99,25 +98,24 @@ $fmt = new IntlDateFormatter(
     IntlDateFormatter::GREGORIAN,
     'MM/dd/yyyy'
 );
-echo 'pattern of the formatter is : ' . $fmt->getPattern();
-echo 'First Formatted output is ' . $fmt->format(0);
-$fmt->setPattern('yyyymmdd hh:mm:ss z');
-echo 'Now pattern of the formatter is : ' . $fmt->getPattern();
-echo 'Second Formatted output is ' . $fmt->format(0);
-
+echo 'Pattern of the formatter is : ', $fmt->getPattern(), PHP_EOL;
+echo 'First Formatted output is ', $fmt->format(0), PHP_EOL;
+$fmt->setPattern('yyyyMMdd hh:mm:ss z');
+echo 'Now pattern of the formatter is : ', $fmt->getPattern(), PHP_EOL;
+echo 'Second Formatted output is ', $fmt->format(0), PHP_EOL;
 ?>
 ]]>
     </programlisting>
    </example>
-     &example.outputs;
-     <screen>
-         <![CDATA[
-pattern of the formatter is : MM/dd/yyyy
-First Formatted output with pattern is 12/31/1969
-Now pattern of the formatter is : yyyymmdd hh:mm:ss z
-Second Formatted output with pattern is 19690031 04:00:00 PST
+   &example.outputs;
+   <screen>
+<![CDATA[
+Pattern of the formatter is : MM/dd/yyyy
+First Formatted output is 12/31/1969
+Now pattern of the formatter is : yyyyMMdd hh:mm:ss z
+Second Formatted output is 19691231 04:00:00 PST
 ]]>
-     </screen>
+   </screen>
  </refsect1>
 
  <refsect1 role="seealso">