Describe the bug
A clear and concise description of what the bug is.
- ```c
int i;
This won't be parsed properly.
**To Reproduce**
Steps to reproduce the behavior:
1. make a markdown file with whatever name
2. copy the code above to the file
3. ctrl + p
4. "milkdown"
5. hit "enter"
6. get wrong rendering
**Expected behavior**
A clear and concise description of what you expected to happen.
parse the code snippet as a whole
**Screenshots**
If applicable, add screenshots to help explain your problem.
<img width="251" alt="image" src="https://user-images.githubusercontent.com/36535895/166881686-697c0b4f-d31b-47d0-9a64-0346f2527bfd.png">
**Desktop (please complete the following information):**
- OS: [e.g. iOS] Mac OS
- Browser [e.g. chrome, safari] vscode
- Version [e.g. 22] v0.0.12
**Additional context**
Add any other context about the problem here.
Describe the bug A clear and concise description of what the bug is.