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Markdown editor preview pane weird behavior #541
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opened 2026-02-04 20:54:55 +03:00 by OVERLORD
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🎨 Design
📖 Docs Update
🐛 Bug
🐛 Bug
:cat2:🐈 Possible duplicate
💿 Database
☕ Open to discussion
💻 Front-End
🐕 Support
🚪 Authentication
🌍 Translations
🔌 API Task
🏭 Back-End
⛲ Upstream
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❤️ Happy feedback
🔒 Security
🔍 Pending Validation
💆 UX
📝 WYSIWYG Editor
🌔 Out of scope
🔩 API Request
:octocat: Admin/Meta
🖌️ View Customization
❓ Question
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🛡️ Blocked
🚚 Export System
♿ A11y
🔧 Maintenance
> Markdown Editor
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Reference: starred/BookStack#541
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Originally created by @domainzero on GitHub (Jan 9, 2018).
Bug Report
Expected Behavior
Markdown editor preview pane should take up entire allotted space.
Current Behavior
Markdown editor preview pane only takes up 50% of space until enough text has been entered.


I tried to dig through the CSS to see what was going on but couldn't pinpoint the problem. This issue occurs in Firefox and Chrome.
I'm not using any custom CSS besides changing the codemirror theme.
Steps to Reproduce
Create a new document using the Markdown editor.
@ssddanbrown commented on GitHub (Jan 12, 2018):
@domainzero Thanks for reporting. Confirmed and set for next release.