[Libreoffice-bugs] [Bug 138419] New: Copy of file opened in a fresh Writer window has lost all chapter titles

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=138419

            Bug ID: 138419
           Summary: Copy of file opened in a fresh Writer window has lost
                    all chapter titles
           Product: LibreOffice
           Version: 7.0.2.2 release
          Hardware: x86-64 (AMD64)
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: luke.kendall at gmail.com

Created attachment 167488
  --> https://bugs.documentfoundation.org/attachment.cgi?id=167488&action=edit
The broken document, obfuscated

I've had my file open for weeks now, saving regularly, and it's looking good.
Unfortunately, today I copied it to a new file and opened that up, and found
that all chapter titles had broken (when I chose to Update the TOC).
The file is identical to what I have open in another window.

The original file in the other window still has all chapter titles: I can see
them (they appear as Chapter <N>, where Chapter is all caps and <N> is the
chapter number). The TOC updates correctly. I can Navigate via Headers.

The identical copy of the original file has all chapter titles broken: they all
appear as just <N>, the chapter number. If I Update Index on the TOC it
vanishes. If I attempt to Navigate by Headers, Writer says "No headers".

A cmp of the files confirmed they were identical.

So I suspect the file in memory has become corrupt or broken and if I close and
reopen it I will have lost all the chapter headings.  In the meantime I can
create PDF versions from it as I require.

I have prepared an obfuscated version of the copied file. There's no point in
providing the unobfuscated original because the only working version I have is
the one in memory.

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