https://bugs.documentfoundation.org/show_bug.cgi?id=170599
Bug ID: 170599
Summary: Writer crashes when reopening Print Preview with
outline folding enabled and a heading in the first
paragraph
Product: LibreOffice
Version: 25.2.0.0 alpha0+
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
Writer crashes when Print Preview is opened, closed, and then opened again in a
document where the first paragraph participates in the outline structure. The
crash also occurs in Safe Mode.
The crash occurs when all of the following conditions are met:
- Formatting marks are shown.
- Hidden characters are displayed.
- Outline folding is enabled.
- The affected content is placed in the first paragraph.
The affected content includes:
- Heading 1–10 paragraph styles
- Bulleted or numbered lists
- Hidden Text or Hidden Paragraph fields
If any one of these conditions is not met, the crash does not occur.
This issue is particularly relevant to editing Markdown documents.
In Markdown files, the first line is very commonly a level-1 heading (for
example, "# Heading"). When such files are imported into Writer, this line is
converted into a heading paragraph (Heading 1–6).
Since LibreOffice 26.2 allows Markdown documents to be edited like regular
Writer documents, this crash can affect a common and expected workflow.
This issue appears to be a regression introduced in the 25.2 series and is
reproducible in later versions, including the 26.2 series and current master
builds.
Steps to Reproduce:
1. Open LibreOffice Writer.
2. Enable Menu > View > Formatting Marks.
3. Open Menu > Options > LibreOffice Writer.
4. Enable View > Outline Folding > Show outline-folding buttons.
5. Enable Formatting Aids > Display Formatting > Hidden characters.
6. In the first paragraph, insert affected content (e.g. apply Heading 1).
7. Open Print Preview.
8. Close Print Preview.
9. Open Print Preview again.
Actual Results:
LibreOffice crashes.
Expected Results:
LibreOffice does not crash.
Reproducible: Always
User Profile Reset: Yes
Additional Info:
[Reproducible]
Version: 26.2.0.3 (X86_64)
Build ID: 620(Build:3)
CPU threads: 8; OS: Windows 11 x86_64 (build 26200); UI render: Skia/Raster;
VCL: win
Locale: ja-JP (ja_JP); UI: ja-JP
Calc: CL threaded Jumbo
Also reproducible with:
- 25.2.7.2
- 26.8.0.0.alpha0
[Not reproducible]
Version: 24.8.7.2 (x86) / LibreOffice Community
Build ID: e07d0a63a46349d29051da79b1fde8160bab2a89
CPU threads: 8; OS: Windows 11 x86_64 (10.0 build 26200); UI render:
Skia/Vulkan; VCL: win
Locale: ja-JP (ja_JP); UI: ja-JP
Calc: CL threaded
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