Survex 1.2.14 cs option

[Graham Mullan]

Good to see this being included in Survex, but there is no mention as to
what co-ordinate systems are supported. Is it only UTM as in the example in
the documentation or would OSGB:ST work? Obviously there are a vast numbers
of systems in use worldwide, in Ireland I might find UTM, ITM or IOS, for
example, so it would be helpful to know which way to go on this.

Graham