2.1.4: Character Key Shortcuts [A]

Description

If a keyboard shortcut is implemented in content using only letter (including upper- and lower-case letters), punctuation, number, or symbol characters, then at least one of the following is true:

Turn off
A mechanism is available to turn the shortcut off;
Remap
A mechanism is available to remap the shortcut to include one or more non-printable keyboard keys (e.g., Ctrl, Alt);
Active only on focus
The keyboard shortcut for a user interface component is only active when that component has focus.