el -->
<mark-down><script type="text/plain">

### About this requirement

* [IBM 2.1.1 Keyboard](https://www.ibm.com/able/requirements/requirements/#2_1_1)  
* [ARIA practices - Patterns](https://www.w3.org/WAI/ARIA/apg/patterns/)  
* [ARIA practices - Developing a Keyboard Interface](https://www.w3.org/WAI/ARIA/apg/practices/keyboard-interface/)

### Who does this affect?

 * People using a screen reader, including blind, low vision, and neurodivergent people
 * People with low vision
 * People with tremor