Merge branch 'master' of https://github.com/netcan/tinyxml2 into netcan-master

tinyxml2.h

@@ -590,6 +590,13 @@ public:
                || ch == '-';
     }
 
+    inline static bool IsPrefixHex( const char* p) {
+        while (p && *p != '\0' && !isdigit(*p)) {
+            ++p;
+        }
+        return *p == '0' && ( *(p + 1) == 'x' || *(p + 1) == 'X');
+    }
+
     inline static bool StringEqual( const char* p, const char* q, int nChar=INT_MAX )  {
         if ( p == q ) {
             return true;
@@ -1478,7 +1485,7 @@ public:
         XMLAttribute* a = FindOrCreateAttribute(name);
         a->SetAttribute(value);
     }
-    
+
     /// Sets the named attribute to value.
     void SetAttribute( const char* name, bool value )			{
         XMLAttribute* a = FindOrCreateAttribute( name );