[OS X TeX] A 12 year old problem returns

Ross Moore ross.moore at mq.edu.au
Fri Sep 4 04:06:30 CEST 2020

Hi Richard, Warren

On 4 Sep 2020, at 11:54 am, koch at uoregon.edu<mailto:koch at uoregon.edu> wrote:

Responding to Warren Nagourney:

Every so often I run into this exact problem, and I worry about the bug for a couple of hours before remembering the cause. In every case I've examined, the cause is simple:

A typesetting error required trashing the aux file, or produced an incomplete aux file. Without that aux file, tables of contents, lists of illustrations, and the like cannot be created, so the document is missing several pages at the start. The material I am working on is on the 97th page of the document (say), but without the table of contents and other preliminaries it is only on page 92. But TeXShop returns to page 97 and thus seems to jump ahead.

Once you remember the cause, you can fix it. If the material on page 97 is very tricky and causes you to make lots of TeX errors, comment out the table of contents and the table of illustrations temporarily. Then you'll always return to the right spot. After you have finished the tricky material, remove the comments

The simple lesson is that:

  “after an error, rerun LaTeX 3 times (or more) before looking for more issues”.

If you are using  latexmk  or similar script, you would be automatically getting multiple runs after the error.

Dick’s explanation tells you why you need these multiple runs.

Hope this helps.


Richard Koch

> On Sep 3, 2020, at 4:46 PM, Warren Nagourney via MacOSX-TeX <macosx-tex at email.esm.psu.edu<mailto:macosx-tex at email.esm.psu.edu>> wrote:
>> On May 29, 2020, at 12:23 PM, Warren Nagourney via MacOSX-TeX <macosx-tex at email.esm.psu.edu<mailto:macosx-tex at email.esm.psu.edu>> wrote:
>> Hi All,
>> About 12 years ago, I was having problems with a side effect of typesetting using pdflatex and all the sync options: the preview screen would jump a few pages immediately after typesetting. Looking back at my old emails, I think refreshing the version of pdfsync.sty (or something like this) solved it. The problem has come back. Does anyone know what is happening? (I just installed the full TeXLive 2020 and am using TeXshop).
>> Thanks!
>> Warren Nagourney
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Dr Ross Moore
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