Keiron Liddle wrote:
Keiron Liddle wrote:

How do you jump from the first sentance to the second one. The "containing page" refers to the page where the marker is first formatted not where the retrieve-marker occurs.

A marker generates areas after being retrieved by a retrieve-marker. The containing page is the page where the first, and indeed all areas generated by the marker after such a retrieval will occur.

Do you mean the page where the current retrieve-marker will retrieve the current marker and add the area(s). Which we could call the current page for convenience.

Yes. But really we should call it the "containing page". Conceptually, the fo:marker and its children replace the invoking fo:retrieve-marker. The point of a particular fo:retrieve-marker is fixed, so the point of expansion of the retrieved fo:marker is fixed, whereas the actual fo:marker that will be retrieved is not fixed.

So what happens if there is no marker on the current page but there was a marker on the previous page. This marker on the previous page generated or retruned the first area from the retrieved marker and therefore is the "containing page" in some context.

But the marker subtree from the previous page is tranposed into the same "containing page".

Another point, why have this statement:
"A qualifying area within a page is better than any qualifying area within a preceding page,"
Unless it is possible that if there is no qualifying marker on the current page then it is possible to retrieve a marker from a preceding page.

Yes, it is possible, but again, the qualifying marker on a previous page will be transposed to the containing page - the page whose fo:retrieve-marker started all the trouble.

The rest of the above-quoted sentence, following the comma, is:
"...except that areas do not have a position in the hierarchy if they are within pages that follow the containing page." In my reading, the implication is that the containing page is an absolute point of reference - the page in which the fo:retrieve-marker accurs.
"Lord, to whom shall we go?"

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