Re: footer navigation headers

[Patrice Dumas]

On Fri, Feb 19, 2021 at 05:00:45PM -0800, Per Bothner wrote:
> On 2/19/21 4:31 PM, Patrice Dumas wrote:
> > > (2) _default_format_element_footer is emitted at the end of each page.
> > > It emits navigation buttons.  It is actually called in 
> > > _convert_heading_command
> > > at the top of the page, which is why WORDS_IN_PAGE is ignored, but that
> > > could be changed with some more complicated logic.
> > 
> > I must be missing something, as I can't see how it could work to output
> > the footer at the top of the page?
> 
> My patch *generates* the text of the footer while processing the top of the 
> page
> (in _convert_heading_command).  It then uses register_opened_section_level to
> stash that generated text in the pending_closes stack.  That saved text then 
> gets
> printed at the bottom of the page.

Ok.

> It works, but if you want to conditionalize whether the footer is printed
> depending on WORDS_IN_PAGE you have to do something more complicated.

It is not only WORDS_IN_PAGE.  I think that you are doing it in a very
specific way that will make customization of the function very
difficult.  I think that using another direction or passing another
element for the footer would be better.

-- 
Pat