Martijn Tonies wrote:

>>> Interesting. How would you do typeless input parameters?
>>
>> By passing them BY DESCRIPTOR.
>
> I thought this enabled NULL recognition, but did include a type.

This article in my site
http://cvalde.net/document/using_descriptors_with_udfs.htm
has been collecting dust for years and needs an update for FB2, but the
"Caveat" section at the bottom is still valid. Did you read it? Maybe the
4th point needs to be more explicit.

C.