Taco,
Thanks very much - I had necessarily simplified the example to show my simplest problem.

\expanded suits my purpose perfectly.

On 19 Jun 2020, at 13:10, Taco Hoekwater <taco@elvenkind.com> wrote:



On 19 Jun 2020, at 13:49, Hans Hagen <j.hagen@xs4all.nl> wrote:

On 6/19/2020 1:28 PM, Nigel King wrote:
Hi Group,
I want to insert a variable hyper reference into a pdf document. The following method does not work for some reason.
\def\hyperref{http://www.website.com/abc/def}
show \hyperref
Gives the correct answer but
\useURL[this_doc][\hyperref][][displayed text]
\from[this_doc]
Gives
hyperef%20 as the url
What am I doing wrong?
the content is not expanded, why not just use

\useURL[this_doc][http://www.website.com/abc/def][][displayed text]

or

 \expanded{\useURL[this_doc][\hyperref][][displayed text]}

if that is truly impossible for some reason.

Best wishes,
Taco
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