>	That would probably be a (not very good) abbreviation for
>	instructions. The original should be fixed - where did you
>	find it?

   It's in the <http://www.netbsd.org/Documentation/kernel/lazyfpu.html> 
file. I search the web site for this word and another file was foud (nov 
1998) : <http://www.netbsd.org/Changes/cvschanges/by-mycroft-199811.html>

Thank you for the answer.

Guillain.