updating XML helper docs

1 files changed, 30 insertions, 12 deletions

diff --git a/user_guide_src/source/helpers/xml_helper.rst b/user_guide_src/source/helpers/xml_helper.rst
index be848bcd1..681408e03 100644
--- a/user_guide_src/source/helpers/xml_helper.rst
+++ b/user_guide_src/source/helpers/xml_helper.rst
@@ -5,7 +5,9 @@ XML Helper
 The XML Helper file contains functions that assist in working with XML
 data.
 
-.. contents:: Page Contents
+
+.. contents::
+  :local:
 
 Loading this Helper
 ===================
@@ -16,23 +18,39 @@ This helper is loaded using the following code
 
 	$this->load->helper('xml');
 
+Available Functions
+===================
+
 The following functions are available:
 
+
 xml_convert()
-=====================
+-------------
 
-Takes a string as input and converts the following reserved XML
-characters to entities:
+.. method:: xml_convert($str[, $protect_all = FALSE])
 
-- Ampersands: &
-- Less then and greater than characters: < >
-- Single and double quotes: ' "
-- Dashes: -
+  :param string $str: the text string to convert
+  :param bool $protect_all: Whether to protect all content that looks like a potential entity instead of just numbered entities, e.g. &foo;
+  :returns: converted string
+  :rtype: string
 
-This function ignores ampersands if they are part of existing character
-entities. Example
+  Takes a string as input and converts the following reserved XML
+  characters to entities:
 
-::
+  - Ampersands: &
+  - Less then and greater than characters: < >
+  - Single and double quotes: ' "
+  - Dashes: -
+
+  This function ignores ampersands if they are part of existing numbered
+  character entities, e.g. &#123;. Example::
+
+    $string = '<p>Here is a paragraph & an entity (&#123;).</p>';
+    $string = xml_convert($string);
+    echo $string;
+
+  outputs:
 
-	$string = xml_convert($string);
+  .. code-block:: html
 
+    &lt;p&gt;Here is a paragraph &amp; an entity (&#123;).&lt;/p&gt;