val pC : unit -> xhtml = fn () => <html><body> <h1>Page C</h1> </body></html> val pB : unit -> xhtml = fn () => <html><body> <h1>Page B</h1> <li> <a link={pC ()}>C</a></li> </body></html> val pA : unit -> xhtml = fn () => <html><body> <h1>Page A</h1> <li> <a link={pB ()}>B</a></li> <li> <a link={pC ()}>C</a></li> </body></html> val main : unit -> xhtml = fn () => <html><body> <h1>Main</h1> <li> <a link={pA ()}>A</a></li> <li> <a link={pB ()}>B</a></li> <li> <a link={pC ()}>C</a></li> </body></html>