ability to set bool write values
diff --git a/xmltest.cpp b/xmltest.cpp
index b6bb76f..27c9665 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -753,6 +753,18 @@
 			XMLTest("Attribute: bool", true, element->BoolAttribute("attrib"), true);

 		}

 		{

+			element->SetAttribute("attrib", true);

+			const char* result = element->Attribute("attrib");

+			XMLTest("Bool true is 'true'", "true", result);

+

+			XMLUtil::SetBool("1", "0");

+			element->SetAttribute("attrib", true);

+			result = element->Attribute("attrib");

+			XMLTest("Bool true is '1'", "1", result);

+

+			XMLUtil::SetBool(0, 0);

+		}

+		{

 			element->SetAttribute("attrib", 100.0);

 			double v = 0;

 			element->QueryDoubleAttribute("attrib", &v);