Equation Editor (Microsoft Equation 3.0) and Shape not display when previewing in browser

[thanhnambkhn]

Thanks for your excellent work. I found your lib is very helpful for my project, but I got some problems as described below:

Describe the bug

1. Equation created by Equation Editor (Microsoft Equation 3.0) in Word file (.docx) can not display when previewing in browser
2. Shape can not display when previewing in browser

Screenshots Original document: https://drive.google.com/file/d/1P-y1PWbN-w07HIUyhJw2LQBlyCP9LKz5/view?usp=sharing Display on browser: https://drive.google.com/file/d/1buz5_v-xU_MuwOVWjmyMQElkiZvhrF5U/view?usp=sharing

Document Please check original document here: https://docs.google.com/document/d/1WWjMulUVjr0S2RD1TOTxazMNtatEHKQW/edit?usp=sharing&ouid=102073849288913805416&rtpof=true&sd=true

Thanks