Hi Carlos,
The version using the <co> elements should now work using the stylesheet snapshot that
has the fixes that I just checked in. BTW, there was one typo in your example. The
callout element referencing author used "arearef" when it must be "arearefs" (even
with a single reference). Also, putting a programlisting inside a programlistingco
without an areaspec is not valid, so just delete the programlistingco wrapper on that
one.
I cannot get the version with areaspec to work. A programlistingco element with
areaspec cannot be handled with straight XSLT. DocBook XSL provides a Java extension
function that must be used to get the callouts appearing in the code listing. That
process is described here:
http://www.sagehill.net/docbookxsl/AnnotateListing.html#CalloutAreaSpec
Also, I believe the example provided by The Definitive Guide is not usable. It does
not specify a 'units' attribute, so it isn't clear what a value of 'coords' means.
Also, the supported values of coords in the extension do not support a single line
number. I changed the attributes to what I thought would work, but it doesn't seem
to work, and the error messages are not helpful. I would recommend you just use
programlisting and co. 8^)
Bob Stayton
Sagehill Enterprises
[email protected]
----- Original Message -----
From: "Carlos Araya" <[email protected]>
To: <[email protected]>
Sent: Wednesday, April 25, 2012 1:58 PM
Subject: [docbook-apps] Issues with programlistingco
hello:
I've tried both of the examples below to generate a callout programlisting in my
ebook.
The first version uses areaspec following the example on TDG
(http://docbook.org/tdg51/en/html/programlistingco.html) and is located at
https://gist.github.com/2493163
This version doesn't display the callout bugs on the programlisting.
The second version I tried is a modification of the co tag from TDG
(http://docbook.org/tdg51/en/html/co.html) and is located at
https://gist.github.com/2493179
This version displays the callout bugs but fails epub validation with the following
error
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(10,138):
'OEBPS/images/callouts/5.png': referenced resource exists, but not declared in the OPF
file
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(12,84):
'OEBPS/images/callouts/6.png': referenced resource exists, but not declared in the OPF
file
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,156): 'xml.declaration':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,482): 'docbook.root':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,866): 'default.namespace':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,1184): 'xlink.namespace':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,1848): 'chapter.title':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
[java] ERROR: docbook-howto.epub/OEBPS/ch02.xhtml(26,1957): 'chapter.paragraph':
fragment identifier is not defined in 'OEBPS/ch02.xhtml'
I am also getting consistent validation warnings regarding two of the callout images
not being added to the package.opf file
[java] WARNING: docbook-howto.epub: item (OEBPS/images/callouts/6.png) exists in
the zip file, but is not declared in the OPF file
[java] WARNING: docbook-howto.epub: item (OEBPS/images/callouts/5.png) exists in
the zip file, but is not declared in the OPF file
The file exist and are located in the same directory than the 6 image files that do
get added to the opf package. When I add them manually there are no problems.
The callout section in my customization layer looks like this:
<xsl:param name="callout.graphics.extension">.png</xsl:param>
<xsl:param name="callout.graphics.path">images/callouts/</xsl:param>
<xsl:param name="callout.graphics" select="1"></xsl:param>
<xsl:param name="callout.list.table" select="1"></xsl:param>
Is there something that I'm doing wrong with the programlistingco? WHy would only
certain image files get packaged in to the OPF package file? Do I need to recreate the
images?
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