The Chinese book title marks (《》) will affect the parsing of bolding.

[RanCJ7]

Marked version:
15.0.12

Describe the bug
A clear and concise description of what the bug is.
The Chinese book title marks (《》) will affect the parsing of bolding.

To Reproduce
Steps to reproduce the behavior:
《test name》 one two three:
"hello"

Expected behavior
A clear and concise description of what you expected to happen.
The "test name" should be parsed as bold, but it wasn't.

[UziTech]

This follows the flanking rules of CommonMark. If you don't want to follow CommonMark you will need to create a custom extension.