[gecode-users] missing doc for element constraint

[Denys Duchier]

Guido Tack <tack at gecode.org> writes:

> These element constraints are for 2d matrices of width w and height h encoded in the IntVarArgs a.

that's the missing information. the constraint is then actually:
	a(x,y) = z
or is it:
	a(y,x) = z
for a matrix a or width w and height h.  It would be really nice to make
this clear.

Cheers,

--Denys