Preview and message disagreements

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The discussion addresses issues with thread previews on a forum, specifically noting that the preview displays multiple lines while the actual post appears as a single line. There is confusion regarding the handling of duplicate threads, particularly when they are merged or removed. A user identifies a potential cache issue affecting the display of thread content. After reloading, the user observes that the problem seems resolved, attributing it to cache behavior. The conversation highlights the importance of consistent thread display and the impact of caching on user experience.
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https://www.physicsforums.com/threads/hydrogen-bond-strength.784231/

Preview (hovering the cursor over thread title) shows half dozen lines, and an attempt at answering poster's question; when I open the thread I get a first post that's one line long with none of the preview detail. This thread was duplicated in HW help section --- is there something happening to duplicates when they're removed/merged?Quick edit, found the duplicate

https://www.physicsforums.com/threads/hydrogen-bond-strength.784232/

and it's got the same "long preview" but short when actually opened behavior.
 
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I just get the actual post content as preview. Maybe some cache issue?

And I don't see a thread in the homework section.
 
Just reloaded, and things are working --- we'll call it cache. The duplicate was in Physics rt. HW --- my bad.

Thanks.
 
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