Hi there! I am about to adapt the symbol-set in therion to meet the Austrian standard (see http://www.hoehle.org/downloads/signaturen.gif). The changes I made, can be found here: ftp://ftp.tugraz.at/outgoing/therion/symbolsetAUT_changes.zip and an example of what comes out: ftp://ftp.tugraz.at/outgoing/therion/types_AUT.pdf Most symbols are finished already (or met the standard anyway), but there are still some open issues: -Drawing the symbol for entrance pits which uses a double line. Currently I generate points at a fixed distance perpendicular to the given line and connect them to form the inner line. This results in very bad behaviour at edges, and needs a lot of memory due to the large number of generated points. Any ideas how to solve that? -Naming of floorstep subtypes: As in the old UIS standard(?) there are floorstep subtypes when equipment is needed (<10m, >10m). Any ideas for a good (short) name for those? -Legend symbols/explanations. I didnt really care about that yet. And the main question is: - How shall I prepare the changes I did, such that they can be easily included in one of the next releases? Keep up the good work and kind regards Georg.