Dropping unecessary php: directive to function definitions in user guide
diff --git a/user_guide_src/source/general/ancillary_classes.rst b/user_guide_src/source/general/ancillary_classes.rst
index 5dc058a..edb3a14 100644
--- a/user_guide_src/source/general/ancillary_classes.rst
+++ b/user_guide_src/source/general/ancillary_classes.rst
@@ -9,7 +9,7 @@
 get_instance()
 ==============
 
-.. php:function:: get_instance()
+.. function:: get_instance()
 
 	:returns:	object of class CI_Controller
 
@@ -48,7 +48,7 @@
 	passed by reference::
 
 		$CI =& get_instance();
-	
+
 	This is very important. Assigning by reference allows you to use the
 	original CodeIgniter object rather than creating a copy of it.
 
diff --git a/user_guide_src/source/general/common_functions.rst b/user_guide_src/source/general/common_functions.rst
index 32e8a8b..8a57c18 100644
--- a/user_guide_src/source/general/common_functions.rst
+++ b/user_guide_src/source/general/common_functions.rst
@@ -9,7 +9,7 @@
 is_php()
 ========
 
-.. php:function:: is_php($version = '5.3.0')
+.. function:: is_php($version = '5.3.0')
 
 	:param	string	$version: Version number
 	:returns:	bool
@@ -31,7 +31,7 @@
 is_really_writable()
 ====================
 
-.. php:function:: is_really_writable($file)
+.. function:: is_really_writable($file)
 
 	:param	string	$file: File path
 	:returns:	bool
@@ -58,7 +58,7 @@
 config_item()
 =============
 
-.. php:function:: config_item($key)
+.. function:: config_item($key)
 
 	:param	string	$key: Config item key
 	:returns:	mixed
@@ -71,7 +71,7 @@
 show_error()
 ============
 
-.. php:function:: show_error($message, $status_code, $heading = 'An Error Was Encountered')
+.. function:: show_error($message, $status_code, $heading = 'An Error Was Encountered')
 
 	:param	mixed	$message: Error message
 	:param	int	$status_code: HTTP Response status code
@@ -84,7 +84,7 @@
 show_404()
 ==========
 
-.. php:function:: show_404($page = '', $log_error = TRUE)
+.. function:: show_404($page = '', $log_error = TRUE)
 
 	:param	string	$page: URI string
 	:param	bool	$log_error: Whether to log the error
@@ -96,7 +96,7 @@
 log_message()
 =============
 
-.. php:function:: log_message($level, $message, $php_error = FALSE)
+.. function:: log_message($level, $message, $php_error = FALSE)
 
 	:param	string	$level: Log level: 'error', 'debug' or 'info'
 	:param	string	$message: Message to log
@@ -109,7 +109,7 @@
 set_status_header()
 ===============================
 
-.. php:function:: set_status_header($code, $text = '')
+.. function:: set_status_header($code, $text = '')
 
 	:param	int	$code: HTTP Reponse status code
 	:param	string	$text: A custom message to set with the status code
@@ -126,7 +126,7 @@
 remove_invisible_characters()
 =============================
 
-.. php:function:: remove_invisible_characters($str, $url_encoded = TRUE)
+.. function:: remove_invisible_characters($str, $url_encoded = TRUE)
 
 	:param	string	$str: Input string
 	:param	bool	$url_encoded: Whether to remove URL-encoded characters as well
@@ -143,7 +143,7 @@
 html_escape()
 =============
 
-.. php:function:: html_escape($var)
+.. function:: html_escape($var)
 
 	:param	mixed	$var: Variable to escape
 			(string or array)
@@ -157,7 +157,7 @@
 get_mimes()
 ===========
 
-.. php:function:: get_mimes()
+.. function:: get_mimes()
 
 	:returns:	array
 
@@ -167,7 +167,7 @@
 is_https()
 ==========
 
-.. php:function:: is_https()
+.. function:: is_https()
 
 	:returns:	bool
 
@@ -177,7 +177,7 @@
 function_usable()
 =================
 
-.. php:function:: function_usable($function_name)
+.. function:: function_usable($function_name)
 
 	:param	string	$function_name: Function name
 	:returns:	bool
diff --git a/user_guide_src/source/general/errors.rst b/user_guide_src/source/general/errors.rst
index f12d992..6cc8a09 100644
--- a/user_guide_src/source/general/errors.rst
+++ b/user_guide_src/source/general/errors.rst
@@ -21,8 +21,8 @@
 CodeIgniter also returns a status code whenever a portion of the core
 calls ``exit()``. This exit status code is separate from the HTTP status
 code, and serves as a notice to other processes that may be watching of
-whether the script completed successfully, or if not, what kind of 
-problem it encountered that caused it to abort. These values are 
+whether the script completed successfully, or if not, what kind of
+problem it encountered that caused it to abort. These values are
 defined in *application/config/constants.php*. While exit status codes
 are most useful in CLI settings, returning the proper code helps server
 software keep track of your scripts and the health of your application.
@@ -32,7 +32,7 @@
 show_error()
 ============
 
-.. php:function:: show_error($message, $status_code, $heading = 'An Error Was Encountered')
+.. function:: show_error($message, $status_code, $heading = 'An Error Was Encountered')
 
 	:param	mixed	$message: Error message
 	:param	int	$status_code: HTTP Response status code
@@ -49,13 +49,13 @@
 the HTTP status code will be set to 500, and the exit status code will
 be set to ``$status_code + EXIT__AUTO_MIN``. If that value is larger than
 ``EXIT__AUTO_MAX``, or if ``$status_code`` is 100 or higher, the exit
-status code will be set to ``EXIT_ERROR``. You can check in 
+status code will be set to ``EXIT_ERROR``. You can check in
 *application/config/constants.php* for more detail.
 
 show_404()
 ==========
 
-.. php:function:: show_404($page = '', $log_error = TRUE)
+.. function:: show_404($page = '', $log_error = TRUE)
 
 	:param	string	$page: URI string
 	:param	bool	$log_error: Whether to log the error
@@ -77,7 +77,7 @@
 log_message()
 =============
 
-.. php:function:: log_message($level, $message, $php_error = FALSE)
+.. function:: log_message($level, $message, $php_error = FALSE)
 
 	:param	string	$level: Log level: 'error', 'debug' or 'info'
 	:param	string	$message: Message to log