The following formatting objects (supported by FOP) have changed between
XSL wd 1999 and wd 2000:
<sequence-specification> changed to <page-sequence-master>
<sequence-specifier-single> changed to <single-page-master-reference>
<sequence-specifier-repeating> changed to <repeatable-page-master-reference>
<sequence-specifier-alternating> changed to <repeatable-page-master-alternatives>
<display-sequence> changed to <block-container>
<inline-sequence> <inline-container>
<display-rule> nuked
<display-graphic> changed to two tags: <external-graphic> <instream-graphic>
The following properties have changed between XSL wd 1999 and wd 2000:
page-master-name nuked replaced with master-name
page-master-first implemented using conditional page reference object
page-master-repeating do
page-master-odd do
page-master-even do