Some informal attribute value lists in ODF 1.2 CD03 are hard to read. For instance 15.510.1:

The values of the |style:position| attribute are |left|, |center|, |right|, |top|, |bottom|, one of these values: |left|, |center| or |right| followed by one of these values: |top|, |center| or |bottom| or one of these values: |top|, |center| or |bottom| followed by one of these values: |left|, |center| or |right|.