Tassilo Horn <tsdh@gnu.org> writes:

>> That sounds reasonable to me.  Perhaps a comment above that line
>> explaining the meaning of nil would be sensible.
>
> Yes, a comment would be utmost welcome.

Tassilo, I'm attaching a new version of the patch.  It should be ready
to be pushed.  Thank you.


-- 
André A. Gomes
"You cannot even find the ruins..."