[dev-context] Inconsistent Reference Counting

References are classified as forward or backward based on comparison of \crossreferencenumber against the sequence number of the reference loaded from the previous pass. \crossreferencenumber is incremented on all reference definition writes including duplicates. References loaded from the previous pass do not include duplicates. Thus forward/backward classification (e.g. in \somewhere) is wrong in the presence of duplicate references. One fix would be to not increment \crossreferencenumber if this reference has already been written to the file. Does anyone have any suggestions how to do this? Thanks, --Mike Bird