column numbers are always off by 1 due to the way the lexing work; the easiest fix is just to offset this in the reporting

Author: dorchard

src/Language/Fortran/Util/Position.hs

@@ -26,7 +26,7 @@ instance Binary Position
 instance NFData Position
 
 instance Show Position where
-  show (Position _ c l _ _) = show l ++ ':' : show c
+  show (Position _ c l _ _) = show l ++ ':' : show (c - 1)
 
 initPosition :: Position
 initPosition = Position