better imagge support for docbook

[elkner]

Hi,

texuinfos docbook support wrt. images is very limited. Because of this, I
made two patches, which honors GIFs, too (there are no patent issues
anymore - this counts for europe as well as other countries) and actually
many people are still using gifs ...

Furthermore, there is not much benefit in just converting info files
directly into html - the convertion into docbook and than into html 
gives much better and readable output ...

However, at the moment, xml_insert_docbook_image just inserts blindly
EPS and JPEG image defs, but not PNG, GIF (and of course eps doesn't make
much sense to be embedded into html files). So the second patch checks
for access to $image.{eps|jpg|png|gif} and includes a definition for each
accessable image. If none has been found, it falls back (as before) to a
$image.jpg definition. 

Perhaps you can include theses patches to make makeinfo more usable for
texi writers ...

See:
http://www.linofee.org/~jel/develop/texinfo/makeinfo.makeinfo.c.patch
http://www.linofee.org/~jel/develop/texinfo/makeinfo.xml.c.patch

Regards,
jens.
-- 
+---[ Jens Elkner ]--------------------------------------------------------+
| Walther-Rathenau-Str. 58                 address@hidden              |
| 39104 Magdeburg   GERMANY           http://www.linofee.org/~jel/         |
+--------------------------------------------------------------------------+