[tex-live] missing data files

[Heiko Oberdiek]

On Thu, Jul 30, 2009 at 05:21:02AM +0200, Heiko Oberdiek wrote:

> On Tue, Jul 28, 2009 at 03:08:39AM +0200, Heiko Oberdiek wrote:
> 
> >   http://www.informatik.uni-freiburg.de/~oberdiek/tmp/pst-geo-compress.zip
> 
> I have updated them as Perl scripts.
> Flate method is used with prediction (prediction can be turned off).
> 
> Unhappily Ghostscript has a bug regarding prediction, it is fixed in
> version 8.56 (2007-03-14):
>
> | 2006-12-11T17:30:53.980862Z L. Peter Deutsch
> |
> | Fixes bug: the PNG predictor filters produced incorrect data for the last
> | pixel of each row.  (The encoder and decoder had matching bugs, so
> | encode+decode produced the correct result!)  Fixes a diff in PS3 CET
> | 23-12U-1.

I have found a workaround, see version 1.1, from README:

| By having each line at the same length, the last byte of a row
| has always the same value (end of line character). This does
| not trigger this bug (tested with gs 7.07/8.64).

Yours sincerely
  Heiko <oberdiek at uni-freiburg.de>