[Libreoffice-bugs] [Bug 138419] Copy of file opened in a fresh Writer window loses all chapter titles when updating table of contents

[bugzilla-daemon at bugs.documentfoundation.org]

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

--- Comment #11 from Luke Kendall <luke.kendall at gmail.com> ---
This is my book manuscript, and I am 99.999% sure I never round-tripped it to
.docx and back again to .odt.

I consider such an operation unsafe in the extreme. Saving to .docx loses a lot
if information, including changing pagination.  So it's not something I would
willingly do, and I'm also very confident I never did that.

Note my original comment: when I copied the file (to obfuscate that copy), I
noticed the error, yet the saved file and the copied file were identical
according to Linux cmp.  So Writer must have suffered some corruption.

I can also add that I had a crash of Writer after some weeks with the document
open, yet when I opened that version of the document I could update the TOC and
there were no problems.

Pretty weird behaviour.

I also think that the 7.0 series is slower than the 6.4 series on long
documents such as this with a lot of comments - though still far better than it
used to be back in the 5.x series (which had an O(N^2) algorithm problem with
no. of comments).

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