[Therion] Poor error message

[Andrew Atkinson]

5.3.9

This file th file

survey Reads

input DryEnt/DryEnt.th
input MainChamber/MainChamber.th

equate 1.6 at DryEnt 2.0 at MainChamber

map ReadsM
  DryEntM at DryEnt
  MainChamberM at MainChamber
enmap

endsurvey


gave this error

therion: error -- Reads.th [2] -- incomplete survey - endsurvey pair --
Reads

Which is a little confusing as the error is an incomplete (mistyped)
map-endmap pair, and it is not on line 2.

Andrew