diff --git a/functions/strings.xml b/functions/strings.xml
index cfefa42849..d5c3747473 100644
--- a/functions/strings.xml
+++ b/functions/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.130 $ -->
+<!-- $Revision: 1.131 $ -->
  <reference id="ref.strings">
   <title>String functions</title>
   <titleabbrev>Strings</titleabbrev>
@@ -558,6 +558,13 @@ echo 'foo is $foo'; // foo is $foo
 echo $foo;          // foobar
 echo $foo,$bar;     // foobarbarbaz
 
+echo <<<END
+This uses the "here document" syntax to output
+multiple lines with $variable interpolation. Note
+that the here document terminator must appear on a
+line with just a semicolon no extra whitespace!
+END;
+
 // because echo is not a function, following code is invalid. 
 ($some_var) ? echo('true'): echo('false');