Pagination, Regions, Other...

[Ar...@chebucto.ns.ca]

Although there may be some refactoring and cleanup, I think I have the 
pagination functionality up in the "fop-0_14_0_regions" branch that I want to 
have.

I haven't managed to test every situation, obviously, but I think there is full 
support for everything to do with pagination (page masters, page sequence 
masters, region masters, page sequences, and flows), with the following 
exceptions:

region-start;
region-end;
static-content into either of these 2 (obviously);
use of "last" in conditional-page-master-reference

"blank-or-not-blank" for fo:conditional-page-master-reference now exists. There 
is full support for the "region-name" property, in conjunction with "flow-name" 
on fo:static-content and fo:flow.

The big thing still, and I invite comment on this, particularly in light of the 
fact that the new WD appears not to have changed any of the material related to 
the above, is that I believe that page sequences can contain multiple fo:flow 
objects, even though the BNF grammar for fo:page-sequence contradicts that 
interpretation. But enough of the language in the spec leads one to the other 
conclusion.

Furthermore, consider this scenario. You want a chapter, described by a page 
sequence, to have _different_ odd-page and even-page content. Not that just the 
page-masters differ, which is accomplished anyway with "repeatable-page-master-
alternatives", but that the region-body _content_ is different. Well, content 
for region-body comes from an fo:flow, and if you need different content then 
you need 2 fo:flows. I don't think this example is out to lunch, either - think 
of an illustrated book with images on one side and caption and commentary on 
the other. Alternating _content_, not just alternating _format_.

Anyhow, that's my take on it. Opinions are welcome.

I expect to merge the "fop-0_14_0_regions" branch back into the main branch 
before the end of the month. I'm also thinking that that would be a good time 
for another interim release, if there are no objections. Not just because of my 
code, although I'm anxious to get it out there, but to keep the tempo up.

On another note, it strikes me that a useful immediate goal would be to have 
FOP capable of rendering the XSL spec, to produce the same visual result as 
that obtained using RenderX. My gut feeling is that we can't be that far away 
from being able to do that now.

Arved




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