Bill Allombert on Fri, 04 Sep 2009 12:57:40 +0200

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Re: [PATCH] short help typos

On Fri, Sep 04, 2009 at 10:33:56AM +0200, Jeroen Demeyer wrote:
> Bill Allombert wrote:
>> I commited the two first in revision 11892.  The last one does not seem
>> necessary.  Thanks for fixing this error!
> Of course the last one is not strictly *necessary*.  However, I think it  
> is useful to point that out.  Maybe it looks obvious to you, but imagine  
> that you never used mathnf() and you're looking for a way of adding  
> Z-modules.
> Compare also with ??idealintersect.

If we want to document how to deal with Z-modules in PARI, probably we
should add a dedicated section on this topic instead of adding bits
of information in unrelated functions help messages. If you want
to compute the intersection of Z-modules, I do not see why you would look
at idealintersect except for the fact that ???"modules" return it.

By the way, ??matintersect still assume that idealintersect can handle
free Z-modules. It should be updated.