https://bz.apache.org/ooo/show_bug.cgi?id=124843

Ogbonnaya Ngwu <[email protected]> changed:

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--- Comment #13 from Ogbonnaya Ngwu <[email protected]> ---
I was able to replicate this bug using Microsoft Office Word 2016, LibreOffice
Writer 5.0.6.2,OpenOffice 4.2.0, and detailed replication steps provided by
Holstrom on the Apache Bugzilla database. After successful replication, I
varied the testing conditions to observe the impact of the bug. The bug had a
high impact on documents created using Microsoft Word, most notably the loss
of data. The files used for the test has the first and last page in portrait
and landscape orientation respectively. When the content of file is only typed
on the second page and the first page left blank, the data was lost when the
file was opened in OpenOffice Writer. This is a huge impact to users who dread
the loss of information. This loss of data indicates the seriousness of
the bug. Figures 1 and 2 shows the test document in MS Word and OO Writer
respectively.

Also, it is important to note that only one of the pages is shown in OO Writer
in Landscape layout instead of portrait and the typed data is lost. Figures 3
and 4 shows the test document when we have content in both first and second
page. In this case, the bug was not replicated successfully (maybe it has been
fixed). As shown in the figures below, OO Writer maintains the appropriate
layout of the document. A fatal error only occurs when there is no text content
on the first page.

For documents created with LibreOffice Writer, regardless of whether text
content was placed in first page, second page, both or none, OO Writer
maintains the appropriate format of the page layout in portrait and landscape.
However, it also leads to a very fatal design error. Files used in this test
were created using the same techniques for the MS Word documents. When the test
document is opened in OO Writer, it losses the ability to optimally arrange
pages to maximize space usage during zoom in and zoom out. OO Writer treats the
page structure as if it was a picture. Consider figure 4, when we zoomed out in
order to see the two pages side-byside instead of the usual linear arrangement,
OO Writer efficiently places the pages side-by-side once there is enough space
to contain both. In the case of files created with LibreOffice, OO Writer
retains the linear arrangement and only makes it smaller. This problem is
illustrated by figures 5 and 6 below.

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