Hide xmlDocPtr from ASIWebPageRequest header

@@ -11,10 +11,6 @@
 //  Known issue: You cannot use startSychronous with an ASIWebPageRequest
 
 #import "ASIHTTPRequest.h"
-#import <libxml/HTMLparser.h>
-#import <libxml/xmlsave.h>
-#import <libxml/xpath.h>
-#import <libxml/xpathInternals.h>
 
 @class ASINetworkQueue;
 
@@ -51,9 +47,6 @@ typedef enum _ASIURLReplacementMode {
 	// This dictionary stores a list of external resources to download, along with their content-type data or a path to the data
 	NSMutableDictionary *resourceList;
 
-	// Used internally for parsing HTML (with libxml)
-	xmlDocPtr doc;
-
 	// If the response is an HTML or CSS file, this will be set so the content can be correctly parsed when it has finished fetching external resources
 	ASIWebContentType webContentType;
 

@@ -10,6 +10,10 @@
 #import "ASIWebPageRequest.h"
 #import "ASINetworkQueue.h"
 #import <CommonCrypto/CommonHMAC.h>
+#import <libxml/HTMLparser.h>
+#import <libxml/xmlsave.h>
+#import <libxml/xpath.h>
+#import <libxml/xpathInternals.h>
 
 // An xPath query that controls the external resources ASIWebPageRequest will fetch
 // By default, it will fetch stylesheets, javascript files, images, frames, iframes, and html 5 video / audio
@@ -33,10 +37,14 @@ static NSMutableArray *requestsUsingXMLParser = nil;
 
 @property (retain, nonatomic) ASINetworkQueue *externalResourceQueue;
 @property (retain, nonatomic) NSMutableDictionary *resourceList;
+@property (assign, nonatomic) xmlDocPtr doc; // Declared as @property in order to get a "free" ivar and hide it from the header
+
 @end
 
 @implementation ASIWebPageRequest
 
+@synthesize doc;
+
 + (void)initialize
 {
 	if (self == [ASIWebPageRequest class]) {