[Therion] georeferencing data added to pdf maps

I notice in the changes.txt file for 5.2.3 mentions "georeferencing data added to pdf maps" Is this intended to mean that the output co-ordinate system can be printed in the legend, or something more sophisticated? Printing the output co-ordinate system in legends generally and the 'caves list' would be useful (their common names and or their 'numerical' name) Bruce