On Tue, 15 Dec 2009, Aditya Mahajan wrote:

> I will update the module so that email and website work with mkiv.

Attached is a corrected version.

Hans, can something like \doifdefinedurl be added to the core? I am 
currently using

%D We need a macro to check if a url is defined using \type{\useURL} or not.

\def\doifdefinedurl#1{\doifdefined{\v!file:::#1}}

%D \MKIV\ uses a different internal structure to store urls, so we use a
%D different method.
\startmode[*mkiv]
\startluacode
   ptj = ptj or {}
   function ptj.doifdefinedurl(name, action)
     if jobreferences.urls.data[name] and name ~= "" then
       tex.sprint(tex.ctxcatcodes, action)
     end
   end
\stopluacode

\def\doifdefinedurl#1#2{\ctxlua{ptj.doifdefinedurl("#1", \!!bs\detokenize{#2}\!!es)}}

\stopmode


Bookmarks are not working, but that seems to be a bug in current MKIV. 
Minimal example

\setupinteraction[state=start]
\placebookmarks[section,subsection][section]

\starttext
\section{One}
\input tufte
\subsection{two}
\input knuth
\stoptext

In MkIV I do not get any bookmarks.

Aditya