[OS X TeX] A 12 year old problem returns

[Warren Nagourney]

> On May 31, 2020, at 3:37 PM, Ross Moore <ross.moore at mq.edu.au> wrote:
> 
> Hi Warren.
> 
>> On 1 Jun 2020, at 8:25 am, Warren Nagourney via MacOSX-TeX <macosx-tex at email.esm.psu.edu <mailto:macosx-tex at email.esm.psu.edu>> wrote:
> 
>> Thanks for your help, but the problem is not very reproducible and right now occurs very sporadically. If I find a way of reproducing the problem I can send you the document I am currently working on (a book on elementary quantum electrodynamics).
>> 
>> When it does happen, it occurs immediately after finishing typesetting. I will make a change in the source, type cmd-T, it will pause for few seconds while typesetting and the preview screen (on a different monitor from the source) will jump a page to two (as soon as it finishes typesetting). 
> 
> This sounds like you may be getting different paginations on successive runs.
> That is certainly possible, when you have quite long footnotes, perhaps including a citation
> or cross-reference. 
> 
> For example, the presence of the footnote at the bottom of one page may push it’s \footnote anchor onto the next page.
> Then on the next run, the footnote is no longer needed on the prior page, which then means there is room
> for the anchor text, so the pagination changes. That could have a knock-on effect for the start of a (sub-)section,
> so creates changes also in the TOC.
> 
> To check for this kind of effect, save a copy of the PDF under a new name.
> Process again, and check that both PDFs have the same number of pages.
> If not, visually compare them until you find where they differ.
> Try to relate that to auto-generated content, rather than input text.
> 
>> 
>> Thanks again.
>> 
>> wn
>> 
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> 
> 
> 
> Hope this helps.
> Stay safe.
> 
> Ross
> 
> 
> Dr Ross Moore
> Department of Mathematics and Statistics 
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Good morning Ross,

I actually don’t use footnotes (sometimes I think I should) but do use a few figures. Occasionally, the pagination changes due to the way floats work. I also haven’t set up any references yet and don’t have a reference page (I just put “[]” marks where there should be a reference and will put them later).

Thanks for your suggestions! I just wish remembered what fixed the problem 12 years ago.

Best regards,

wn
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