Name		Name	Last commit message	Last commit date
parent directory ..
README.md		README.md
how-should-a-radio-button-behave-with-keyboard.md		how-should-a-radio-button-behave-with-keyboard.md
how-to-disable-focus-ouside-of-modal.md		how-to-disable-focus-ouside-of-modal.md

README.md

Short lessons learned

aria-selected for when you have a non-standard selection field
aria-hidden for symbols and icons that provide no meaning (assuming there is text or some other aria labeling to explain the meaning of the button)