Describe the bug
Unable to create a hash character in a custom NormalEntry block. Tried both: C# and escaping it: C\#

To Reproduce

  custom_sections:
    - title: Skillz
      entry_type: NormalEntry
      entries:
        - name: "Programming Languages:"
          highlights:
            - "C\#"
            - "Special characters test: üğç"

Screenshots
Console Output:
CRITICAL | ScannerError('while scanning a double-quoted scalar', <ruamel.yaml.error.FileMark object at 0x000002089ECD4380>, "found unknown escape character '#'"