Tamas Zolnai wrote:
> On Monday, December 19, 2016 20:35 GMT, Xisco Fauli 
> <xiscofa...@libreoffice.or> > > Testing the office-interoperability-tools 
> with .pptx files I found out
> > > that 121 documents out of 895 failed to open in MSO Power Point 2010
> > > after a roundtrip in LibreOffice. List of documents:
> > > https://bugs.documentfoundation.org/attachment.cgi?id=129789. So I
> > > validated some of those documents with Open XML SDK 2.5 tool and it
> > > turned out most of them are affected by the same errors ( down to 6
> > > right now ) which I've already reported in
> > > https://bugs.documentfoundation.org/show_bug.cgi?id=104787. Some
> > > documents are just affected by one and others by more than 1.
> 
> In my experiences (mainly with DOCX) Open XML SDK validation often
> shows errors which are not problems for MSO while opening (I guess
> there are some robustness in the import code), and also there are
> some cases when SDK validation does not show a problem in the
> document which makes MSO to fail opening it. So I'm not sure these
> numbers you've got using this SDK correlate with the real number of
> bugs we have here.
> 
Then again, Xisco says he also tested against MSO 2010, so that's
probably the set of documents to focus on.

> I've added a proposal to the tender page related to MSO
> compatibility (I just added some update reading your email):
>
> https://wiki.documentfoundation.org/Development/Budget2017#MSO_compatibility_test_framework_using_Win_API_.28Tam.C3.A1s_Zolnai.29
>
Thanks, good ideas around there to improve our validation testing.

Cheers,

-- Thorsten

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