1. A method for displaying hypertext data, the method comprising: displaying a first document represented in a physical markup representation and containing at least one hypertext link; in response to a user input selecting a first hypertext link in the first document, accessing an external document represented in a semantic markup representation, the first hypertext link having an original state pointing to the external document; converting the semantic markup representation of the external document into a physical markup representation; and incorporating the physical markup representation of the external document into the first document.