Hi Romek,
We have an RFE to provide better support for this (#2037), on which I added
a +1 from you. For now, you'll need to do what follows. Start by adding a
"Calculated Value" control, and in the Control Settings / Formulas /
Calculated Value write the XPath to produce the HTML ` `. It will be
something like:
concat(
' Click me <
https://www.google.com/',
$other-field-name,
'> '
)
You can then test the form, and check the produced HTML is correct:
html-link.png <
http://discuss.orbeon.com/file/t119778/html-link.png>
Finally, edit the source of the form, locate the `<xf:output>` corresponding
to your Calculated Value, and add the attribute `mediatype="text/html"`.
(And we don't expose this last step in the UI, as if not done properly this
opens the door to possible script injections.)
You'll let me know if this works for you,
‑Alex
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