I am re-posting a previous question.

Is it possible to increase the height of a multi-line fill-in field when the cumulative height of the lines typed into it exceeds the field's initial height? 

Here's an example where the field's initial height in 10em.

\usemodule[fields]
\setupinteraction[state=start]
\setupfield
  [TextSetup]
  [width=\textwidth, height=10em, background=screen, backgroundscreen=.97, frame=off]
\definefield [Block] [text] [TextSetup] [] [What's on your mind?]

\starttext
  \field [Block] [type here]
\stoptext

I have a situation where the amount of text typed into various fields will vary, but it is inappropriate to reserve a large block of space for each field.

Any suggestions would be greatly appreciated.

--
With kind regards,

Michael Guravage