[Tagging] Should 'highway=incline[_steep]' be discouraged?

[Liz]

On Tue, 29 Dec 2009, Roy Wallace wrote:
> An incline is more or less a gradient. From Wikipedia: "The gradient
> of H at a point is a vector pointing in the direction of the steepest
> slope or grade at that point." A point can have a gradient, and thus
> an incline.
you'd better read better than that

the vector has a gradient (in fact it is compulsory)
the point can not

and then read Frederick's reply concerning any quotes from Wikipedia

I'm not part of the OSM Debating society, so I won't be writing any more on 
this.