[ x] Searched existing issues to avoid creating duplicates.
[x ] Confirmed that it can be reproduced in built-in themes without customized css.
If it only exists in 3rd party themes or css, you can still report it, but please attach the theme target or the css file. We may not "fix" it, if it is caused by 3rd party themes or css styles that we cannot support.
[ x] Searched existing issues to avoid creating duplicates.
[x ] Confirmed that it can be reproduced in built-in themes without customized css.
If it only exists in 3rd party themes or css, you can still report it, but please attach the theme target or the css file. We may not "fix" it, if it is caused by 3rd party themes or css styles that we cannot support.
[ x] Searched http://support.typora.io/
Describe the bug First character in a math array is ignored.
To Reproduce Steps to reproduce the behavior:
Expected behavior Array should render correctly.
Screenshots / Screencasts![Screenshot_2021-07-16_15-00-44](https://user-images.githubusercontent.com/1737483/125996357-2b6688a4-1251-4266-8aac-ad89276892b4.png)
Sample Markdown File
Desktop (please complete the following information):
Typora Version 0.10.11
Additional context Add any other context about the problem here.