https://bugs.freedesktop.org/show_bug.cgi?id=83107

          Priority: medium
            Bug ID: 83107
          Assignee: libreoffice-bugs@lists.freedesktop.org
           Summary: FILEOPEN: LibO 4.3 corrupts master pages wrt bullet
                    points
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: sergio.calleg...@gmail.com
          Hardware: Other
        Whiteboard: BSA PossibleRegression
            Status: UNCONFIRMED
           Version: 4.3.0.4 release
         Component: Presentation
           Product: LibreOffice

Created attachment 105298
  --> https://bugs.freedesktop.org/attachment.cgi?id=105298&action=edit
Demo file to trigger the incorrect behavior

Problem description: 

Since version 4.3, libreoffice cannot open presentation files prepared with
previous releases of libreoffice correctly. Furthermore, files opened and
subsequently saved with libreoffice 4.3 become similarly corrupted also for
previous versions of libreoffice, hence libreoffice >= 4.3 ends up damaging
existing libreoffice documents. The damages appear to be permanent, namely be
not fixable by subsequent editing, meaning that libreoffice from version 4.3
builds incorrect data structures when reading existing impress files and
subsequently outputs illegal odp files when saving them.

Thus the issue appears very serious because people might ruin their existing
documents by editing them with libreoffice4.3 unless they have a backup.

The issue regards master pages and specifically the visual aspect of the bullet
lists in the master pages. Two things happen:

1) The way in which these lists appear in the master pages and in the slides
becomes inconsistent: lists are visually displayed in one way in the master
page (e.g. with some color, some type of bullets, some spacing) and in another
way in the slides.

2) The visual aspects of the bullet points (color, spacing, character or image
used for the bullet point becomes uneditable).

The issue seems to be triggered by the presence of different master pages in
the same document.

Instructions to reproduce are here provided with respect to two sample
documents: demo_ok and demo_error.

demo_ok is a valid impress document prepared with libreoffice 4.2.

Steps to reproduce:

1. Open the document with libreoffice 4.2. Note how the bullet point appear in
the slide. Close the document.

2. Open the document again with libreoffice 4.3. Note that the bullet points
look different.

3. View the master page. Note that the bullets in the master page look
different than in the actual slide.

4. Save the document as demo_error

5. Open demo_error with libreoffice 4.2. Note that things now go as in
libreoffice 4.3. The bullet points are wrong in the slides, but still look
correct in the master page.  Try changing the bullets from the master page. It
is impossible.

Please, try to have this fixed soon since documents get permanently damaged.
Also please update the release notes of 4.3 to indicate that it can damage
impress documents.
Operating System: Ubuntu
Version: 4.3.0.4 release
Last worked in: 4.2.6.2 release

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