Syntax described here works with Markdown-to-PDF converter available as plugin to VSCode.
<div style="page-break-after: always"></div>
External

Internal (same directory)
- 
Define anchor
## <a name="abc123"></a> Some text
Use anchor
- [Anchor description](#abc123)
Automatically generated anchor
## Two Words
Use automatically-generated anchor (in VSCode, anchor is all-lowercase)
- [Two Words](#two-words)
Use internal anchors as defined above.
- [Anchor description](#abc123)
- [Two Words](#two-words)
- [X] Item 1
- [ ] Item 2
- [ ] Item 3
| Column 1 | Column 2 |
|----------------------|----------------------------------|
| 123 | 156 |
| abc | def |