On Nov 15, 2005, at 20:23 , Alvaro Herrera wrote:
> Bruce Momjian wrote:
>
>> I am still unclear why there is no more reliable SGML toolchain
>> for PDF
>> output after all these years. Seems things have improved because
>> we now
>> have bookmarks, but still, why is this functionality not more
>> mainstream.
>
> There is no SGML toolchain because SGML has been abandoned as the
> DocBook markup language. The toolchain that everybody else uses is
> based on XML DocBook. It has been proposed that we abandon SGML and
> jump to XML, but the idea has been shot down. And it's possible to
> convert our SGML to XML automatically and process it with the newer
> toolchain.
It's my understanding that it hasn't been shot down as much as no one
has shown that it will serve our needs. IIRC, there are two issues:
> Marked sections: SGML DocBook (which is currently used) supports
> parameter entities to be used to include or exclude certain
> sections of material depending on the desired output. Profiling in
> XML DocBook may be able to accomplish the same task.
>
> XML DocBook toolchain: making sure the tools to produce the
> documentation in its myriad forms (e.g., html, manpages, PDF) works.
(Just for history repeating itself, this was brought up Aug 2004 as
well :) )
I don't think anyone's standing in the way. It's just that no one's
shown that the XML toolchain can do the work for us.
Michael Glaesemann
grzm myrealbox com