Function is_xpath_attribute

Source/ThirdParty/pugixml/pugixml.cpp:7607–7610

	}

	inline bool is_xpath_attribute(const char_t* name)
	{
		return !(starts_with(name, PUGIXML_TEXT("xmlns")) && (name[5] == 0 || name[5] == ':'));
	}

	struct xpath_variable_boolean: xpath_variable
	{