Re: [libreoffice-users] The guts of ODF files

Dennis E. Hamilton has written on 11/2/2011 1:01 PM:
> Short Answer: DOCX files are not in ODF format.
>
> Longer Answer:
>
>  1. There is such information in the ODF 1.2 Specification Parts 1 and 3. 
> However, it will not help with correctly recognizing a DOCX file in LO or OOo. 
> There is a separate International Standard on the OOXML format used by DOCX 
> and how Zip is used as part of that.

Oops!

>  2. (Note, some DOCX files are encrypted OOXML documents, and that is actually 
> a different format described in a different specification, even though the 
> file will still have the .docx extension ending its name.)
>
>  3. There is some indication that mobile applications are not necessarily 
> producing the DOCX that LO/OOo is expecting.  It may be non-standard. 
> Whatever it is, MS Office is forgiving about it.

I found an on-line validator at
<http://www.document-interoperability.com/validator>

When I fed it the original OfficeSuite-created file, it said,

Inspecting ZIP ...
     Mismatch between local header and central record (weakened ZIP
resilience)

Checking OPC Package ...
     Entry with MIME type
"application/vnd.openxmlformats-package.core-properties+xml" has
unrecognized relationship type
"http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
(see ISO/IEC 29500-1:2008, Clause 15.2.12.1)
     1 problem found with OPC package


The one which resulted when I opened the original in 2010 Office and did
a "Save As" gave this:

Checking OPC Package ...
     Entry with MIME type
"application/vnd.openxmlformats-package.core-properties+xml" has
unrecognized relationship type
"http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
(see ISO/IEC 29500-1:2008, Clause 15.2.12.1)
     1 problem found with OPC package

Hmmm...same as the original.

The one that was created with Libre Office as a brand new file had the
same message as the one created with the Android app!!!!

????



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