startPage: If specified, the page page-based counter is set to the
specified value on the first page of the document. It is equivalent to
specifying counter-reset: page [specified value - 1] on that page.
skipPagesBefore: If specified, the page page-based counter is
incremented by the specified value before updating page-based counters
on the first page of the document.
This option is ignored if startPageNumber option is also specified.
Options for a single source document.
pagepage-based counter is set to the specified value on the first page of the document. It is equivalent to specifyingcounter-reset: page [specified value - 1]on that page.pagepage-based counter is incremented by the specified value before updating page-based counters on the first page of the document. This option is ignored ifstartPageNumberoption is also specified.