mset error messages



On 3/29/10 4:27 PM, Stavros Macrakis wrote:
> Re: ...What about plus and minus?  We can currently assign values to
> these....
>
> The very prudent always quote things like plus, minus, inf, all, etc.
> (e.g. if solve(...)='all then...; limit(...,'x,'inf); ...).  But
> realistically, most users won't do that.  I'd be for having plus and
> minus be un-msetable
I'm in favor of quoting things, perhaps from my experience with Lisp. 
But I must say it's quite convenient for things like inf, minf, true,
and false not to be quoted.

Ray