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Comments on Text with many diacritic marks are not displayed correctly in posts

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Text with many diacritic marks are not displayed correctly in posts

+4
−0

When posting this question, I noticed a difference between editor's preview and the post's final render.

When editing, the preview correctly shows the Zalgo Text:

But after the post is saved, it's rendered in the browser like this:

Note that part of the text (the diacritics at the top and bottom) is not displayed.

I've tested in the following OS's/browsers, and the problem occurs in all of them:

  • Windows 10 Home 64 bits: Chrome 90.0.4430.93, Firefox 88.0 and Edge 90.0.818.49
  • iPhone 8/iOS 14.4.2: Chrome 87.0.4280.163 and Safari
  • MacOS Catalina 10.15.7: Chrome 90.0.4430.93, Safari 14.0.3 and Firefox 88.0
bug status-declined
posted almost 3 years ago
3y ago by ArtOfCode‭
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hkotsubo‭
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General comments (1 comment)
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+2
−3

The solution here is as for many of these edge cases with weird Unicode: don't do that.

The difference here is minor enough that I had trouble picking it out in your screenshots. Given that this isn't exactly real-world usage, I'm marking this [status-declined] - if there are issues with display for real-world usage of Unicode/diacritics/etc we'll try our best to fix them, but this... is not.

posted almost 3 years ago
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ArtOfCode‭ staff
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General comments (2 comments)
General comments
hkotsubo‭ wrote almost 3 years ago · edited almost 3 years ago
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I agree that in most cases we simply shouldn't do it. But the main subject of the question is Zalgo Text, so how could I show an example without actually showing it? I believe the question is a valid case where this should be done, otherwise the post would lack important information. Anyway, if the decision is to not fix it, at least the preview should be consistent with the resulting HTML.

Estela‭ wrote almost 3 years ago
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I agree with hkotsubo. The preview should be consistent with the resulting HTML. But I also agree with ArtOfCode, the issue is not important enough. Even the consistency is not important enough. As for how to show an example... The same way that C++ examples are shown despite C++ code not running directly from Codidact. The user copies and pastes the (C++|Unicode) code into the proper (compiler|interpreter|whatever). Images and outputs of the expected result may help.