# Mathjax公式在anki电脑版2.1.66 qt6预览显示大bug

**URL:** <https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615>\
**Category:** Help\
**Created:** [September 21, 2023, 1:27am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615 "2023-09-21T01:27:54Z")\
**Posts on this page:** 13\
**Page:** 1

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**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 1:27am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/1 "2023-09-21T01:27:54Z")

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(\underset{n\rightarrow \infty}{\lim}x^n=\begin{cases}  
0,& \text{如果} |x|\<1\  
\infty ,& \text{如果} |x|\>1\  
1,& \text{如果} x=1\  
\text{不存在},& \text{如果} x=-1\  
\end{cases})  
这是例子文本，2.1.49分段函数是显示正常的，怎么2.1.66就会出现这个分段函数断裂的bug呢，个人觉得是底层对公式设置了line-height，导致的分段函数符号断裂

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**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 1:39am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/2 "2023-09-21T01:39:43Z")

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![微信图片_20230921092403](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/2X/e/ecf6421c100b8b1553f9a5ba38f8ac3a1e62cd90.png)

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**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 2:39am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/3 "2023-09-21T02:39:44Z")

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分段函数裂开了，似乎是anki最新版底层对分段函数加了line-height

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**Author:** ![lin\_tao2](https://avatars.discourse-cdn.com/v4/letter/l/b2d939/32.png) [@lin\_tao2](https://forums.ankiweb.net/u/lin_tao2)\
**Post date:** [September 21, 2023, 2:59am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/4 "2023-09-21T02:59:41Z")

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我的是2.1.66版本，复制你的代码后显示效果和你不一样。换行代码是双斜杠“\\”（可能是在这里你发贴的时候系统吞了一个斜杠），修改换行代码后显示正常，不会分段

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**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 3:07am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/6 "2023-09-21T03:07:53Z")

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anki编辑界面的mathjax代码，不知道为啥我发的时候//就变成/，这里上截图

 ![微信图片_20230921110442](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/2X/b/bc3a78fc4ad5c6941ce2f03e40bb4c6ab178d61a.png)  
anki预览图，明显的分段函数大括号断开了，而2.1.49没这个问题，2.1.66 qt6和qt5都有这个问题，当然主用的是qt6  
 ![微信图片_20230921092403](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/2X/e/ecf6421c100b8b1553f9a5ba38f8ac3a1e62cd90.png)  
谢谢同学关注并解答我的问题，也希望开发者能修复这个问题

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**Author:** ![lin\_tao2](https://avatars.discourse-cdn.com/v4/letter/l/b2d939/32.png) [@lin\_tao2](https://forums.ankiweb.net/u/lin_tao2)\
**Post date:** [September 21, 2023, 3:25am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/7 "2023-09-21T03:25:47Z")

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![捕获](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/2X/a/a4c7225241b2dedab61e7e8bb0d3f9377f5288f6.jpeg)  
我的正常，你换个模板试试

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<div class="post-metadata">

**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 4:22am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/9 "2023-09-21T04:22:25Z")

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![微信图片_20230921121813](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/2X/7/78afe410f60b0fa0736260ec1f0cd0f6a58ef31e.png)  
去掉了mathjax源码的&nbsp,切换了anki自带的问答题模板，anki版本2.1.66 qt6，左侧预览图依然会有分段函数大括号断裂

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<div class="post-metadata">

**Author:** ![lin\_tao2](https://avatars.discourse-cdn.com/v4/letter/l/b2d939/32.png) [@lin\_tao2](https://forums.ankiweb.net/u/lin_tao2)\
**Post date:** [September 21, 2023, 5:16am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/10 "2023-09-21T05:16:20Z")

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> [@anki102](#):
>
> 在牌组的html模式下好像前后还有那个anki-mathjax的双标签包裹，不过我直接ocr的在粘贴到anki就没这和双标签包裹，且我直接复制这个带anki-mathjax双标签的代码到安卓端是不现实的，所以一般我都不开mathjax，直接复制mathjax代码，不复制带htm的源码l

😅这段话看不懂。

我看你的编辑窗口的预览是正常的，预览窗口却不正常，那我也没头绪了。  
我的是2.1.66 qt5，我这里预览是正常的

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<div class="post-metadata">

**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 5:27am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/11 "2023-09-21T05:27:07Z")

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那可能是qt6的bug吧

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<div class="post-metadata">

**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 5:40am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/12 "2023-09-21T05:40:23Z")

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我换了qt5显示正常，谢谢你

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<div class="post-metadata">

**Author:** ![lin\_tao2](https://avatars.discourse-cdn.com/v4/letter/l/b2d939/32.png) [@lin\_tao2](https://forums.ankiweb.net/u/lin_tao2)\
**Post date:** [September 21, 2023, 5:51am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/13 "2023-09-21T05:51:53Z")

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原来如此。我以前也用过qt6，有些操作又卡又慢，换qt5后就正常了

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<div class="post-metadata">

**Author:** ![anki102](https://avatars.discourse-cdn.com/v4/letter/a/a4c791/32.png) [@anki102](https://forums.ankiweb.net/u/anki102)\
**Post date:** [September 21, 2023, 6:06am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/14 "2023-09-21T06:06:30Z")

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qt5贼稳哈哈

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\
**Post date:** [October 21, 2023, 6:06am UTC](https://forums.ankiweb.net/t/mathjax-anki-2-1-66-qt6-bug/34615/15 "2023-10-21T06:06:44Z")

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