# [Dev-luatex] [luatex] Luatex 0.42.0 (a snapshot release)

Taco Hoekwater taco at elvenkind.com
Fri Jul 17 13:18:41 CEST 2009

Heiko Oberdiek wrote:
> On Fri, Jul 17, 2009 at 12:31:56PM +0200, Taco Hoekwater wrote:
>
>> * The \pdfcompresslevel is now effectively fixed as soon as
>>   output to the pdf file has occurred.
>
> Why? Is there a technical reason?

Yes (-ish). The compression level is now a part of the pdf back-end
structure because with that, the back-end does not have to access
eqtb all the time. It would be possible to do a synchronization
whenever the value in eqtb changes, but:

> Sometimes it makes sense to have some parts uncompressed
> (e.g. for debugging purposes, ...)

You could just be brave and not compress the pdf at all.

Best wishes,
Taco