>If a typing error is made in a station equate statement, no error is raised.
 
> Presumably Bruce’s problem is solved simply by better visibility of the
> existing warning,…?

Yep, looks like 5.3.12 has solved this problem, some obscure loop closures need some scrutiny on my part (or are those yours Michael?)  Glad there are only 4 of them!

warning -- INDEXMiddleEarth.th [289] -- equate used to define new station (DF4.46@df)

warning -- INDEXMiddleEarth.th [313] -- equate used to define new station (YG6.25@yk)

warning -- INDEXMiddleEarth.th [321] -- equate used to define new station (YQ3.15@yq)

warning -- INDEXMiddleEarth.th [517] -- equate used to define new station (dj27.4@dj)

Bruce