What's the best way to create an XML placeholder string in obj-c

I basically want to define an XML string in my header ie:

#define kXMLString "<?xml version=\"1.0\" encoding=\"utf-8\"?><xml>%@</xml>"

In in my code I then want to replace the placeholders ie:

NSString *xmlpMsg = [NSString stringWithFormat:kXMLString, @"value"];

However this gives me warnings/errors. What's the best way to开发者_如何学运维 go about this?

You forgot the @:

#define kXMLString @"<?xml version=\"1.0\" encoding=\"utf-8\"?><xml>%@</xml>"

or better:

const NSString *kXMLString = @"<?xml version=\"1.0\" encoding=\"utf-8\"?><xml>%@</xml>";