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Subject: Re: [office] May automatic styles defined in styles.xml be referencedfrom content.xml?

Hi Jos,

On 05.03.2011 11:24, Jos van den Oever wrote:
201103051124.50794.jos@vandenoever.info" type="cite">
Hi all, 

I've been working on some software to check style names and style references 
in ODF documents. During this work, the question arose: May automatic styles 
defined in styles.xml be referenced from content.xml? I've been digging through 
the specification versions to find an answer and strictly speaking it seems to 
be allowed since 1.2.
Well, at least the intention was that automatic styles in styles.xml cannot be referenced from content.xml.

Why? Document styles are stored in a separate file because it is a common tasks to replace them with a different set of styles. That's much easier and much faster (from the perspective of I/O and CPU cycles) if they are separate from the content, because the content has not to be touched for this purpose. However, exchanging styles in styles.xml is only a simple task if the automatic styles that are used in styles.xml are not referenced in content.xml. If they are referenced in content.xml, one would either has to analyze which automatic styles are referenced outside styles.xml, or would have to keep all of them.
201103051124.50794.jos@vandenoever.info" type="cite">
For font-face-declarations a similar question can be asked.
Right. See below.

201103051124.50794.jos@vandenoever.info" type="cite">
ODF 1.2 public review draft 3

"The <office:document-content> root element contains document content and 
automatic styles used in a document. The file within the package for the 
<office:document-content> element is content.xml."

"The <office:document-styles> root element contains styles used in document 
content and automatic styles used in styles. The file within the package for 
the <office:document-styles> element is styles.xml."

"Styles and font face declarations are referenced by their style:name 
attribute. A referenced style or font face declaration should be defined in the 
same file as the reference, or in styles.xml."
This means that content.xml may reference fonts in styles.xml, doesn't it?
201103051124.50794.jos@vandenoever.info" type="cite">
"For automatic styles, the name may be generated by OpenDocument producers. 
For each style family or style element, producers should generate distinct 
sets of names for automatic styles stored in the content.xml and 
styles.xml files. The names should also be distinct from the names used 
in the <office:styles> element inside the styles.xml files."

Does this mean that a name for an automatic style of a certain family in 
content.xml must be distinct from the name of an automatic style of the same 
family in styles.xml?
Its a "should" rather than a "shall" or "must". So, yes the names should be distinct, but they don't have to.
201103051124.50794.jos@vandenoever.info" type="cite">
From the 1.0 and 1.1 specification, it appears that it is not allowed for 
automatic styles defined in styles.xml to be referenced from content.xml. But 
the 1.2 specification is less clear to me on this subject.
Do you have a suggestion where we should be clearer? If so, please don't hesitate to enter an ODF 1.3 JIRA issue for this.

Best regards

Michael Brauer | Oracle Office Development
Phone: +49 40 23646 500

Oracle Office Global Business Unit

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