[NTG-pdftex] Changing the banner is hardly possible

Frank Küster frank at debian.org
Tue Apr 4 15:39:18 CEST 2006

Hans Hagen <pragma at wxs.nl> wrote:

> � wrote:
>> Hi,
>> I just tried to change the banner for our Debian-specific changes in
>> teTeX's pdftex 1.21a, but that doesn't work well.
>> --- tetex-bin-3.0.orig/texk/web2c/pdfetexdir/pdfetexextra.in    2005-07-20 12:28:21.000000000 +0200
>> +++ tetex-bin-3.0/texk/web2c/pdfetexdir/pdfetexextra.in 2006-03-24 10:17:29.000000000 +0100
>> @@ -26,7 +26,7 @@
>>     (generated from ../lib/texmfmp.c).
>>  */
>>  -#define BANNER "This is pdfeTeX, Version
>> +#define BANNER "This is pdfeTeX using libpoppler, Version 3.141592-PDFTEX-VERSION-ETEX-VERSION"
>>  #define COPYRIGHT_HOLDER "Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX)"
>>  #define AUTHOR NULL
> how are we going to deal with different libraries in pdftex?
> pdfetex (using xpdf)
> pdfpoppleretex (using poppler)
> or will the poppler variant generate exactly the same output as the
> xpdf variant (which is the cross platform lib)?

I think until somebody joins the poppler developers to code actual
improvements, the parts of poppler that affect pdftex won't change, and
the created PDF files will be identical.

But that's not my concern here; it's just a coincidence that I made that
particular change.  I could as well experiment with including some of
XeTeX's opentype code, or whatever - the GPL (2a) requires to change the
message that is displayed upon startup, or at least it is reasonable to
read it like this, when I made changes to the sources.  So there should
be a way to add some information in the banner (ideally, also in the
banner that's printed when pdftex is invoked without the version switch)
without making the whole text a mess.

Regards, Frank
Frank Küster
Single Molecule Spectroscopy, Protein Folding @ Inst. f. Biochemie, Univ. Zürich
Debian Developer (teTeX)

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