[pdftex] pdftex deterministic?

Geoffrey Alan Washburn geoffw at cis.upenn.edu
Mon Apr 2 16:55:54 CEST 2007

Thanh Han The wrote:
> I have made a script to compare 2 pdfs, which I use to
> quickly test whether a new version of pdftex produces
> different output from the previous version. The script use
> gs or pdftoppm to generate all pages of the pdfs as bitmaps,
> then compare them page by page using diff. If they are
> different, they are further compared by the 'compare' tool
> from image magick. If the difference is larger than a
> threshold, an image showing the differences is shown.
> If anyone is interested in the script I will send it.

That sounds like it would be really useful.  I would certainly be 
interested in looking at it.

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