Compacted a few XML parser rules.
Compacted a few XML parser rules.

dfockler/oga,dfockler/oga,YorickPeterse/oga,YorickPeterse/oga,jeffreybaird/oga,jeffreybaird/oga,ttasanen/oga,altmetric/oga,dfockler/oga,ttasanen/oga,altmetric/oga,dfockler/oga,jeffreybaird/oga,jeffreybaird/oga,YorickPeterse/oga,jeffreybaird/oga,altmetric/oga,YorickPeterse/oga,altmetric/oga,ttasanen/oga,altmetric/oga,ttasanen/oga,ttasanen/oga,YorickPeterse/oga,dfockler/oga