bug#20115: 11.88; Preview images get mis-aligned

[Arash Esbati]

Dylan Thurston <dpthurst@indiana.edu> writes:

> On certain documents, the preview images become misaligned with the
> text. The exact circumstances are a bit of a mystery to me. I've
> attached an example that's as minimal as I could make it. Some
> features that are necessary for bad behaviour on my system:
>
> * Removing the TiKz library makes the bug disappear (even though TiKz
>   is not used in this snippet).
>
> * Removing the duplicates of the text makes the bug disappear.
>
> * Removing the "proof" environments makes the bug disappear.
>
> * Removing some of the text that does not involve any math mode or
>   preview images makes the bug disappear.
>
> On my system, starting with the 13th copy of the text, the images are
> mis-aligned. I've attached a screenshot showing versions just before
> and just after the bug triggers.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

This is what I get with a recent AUCTeX and Emacs:

These are the repetitions 12-18, and the result looks Ok for me.

I'm closing this report for now, we can reopen if new input arrives.

Best, Arash