Ahh, yes, coordinate-based system for pure wilderness is much more feasible. You start to run into most of the problems designing the heuristics for an AI interpreter that does raw spatial data->human-readable text on man-made objects and environments.
As for mentioning the name of a specific MUD, it's generally considered bad form unless it's either:
A) absolutely necessary to make your point clear
or
B) explicitly asked for (as is the case when someone asks where they can see a working implementation of X)
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