Space for feedback and notes for future improvements
-<a name="unicode">1</a>: For Windows only, and you have to edit the [registry](https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_code_input).
+<hl>
+<sup><a name="unicode">1</a></sup>: For Windows only, and you have to edit the [registry](https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_code_input).