Keyboard keys: Represents keyboard keys.
<keycap>keycap characters<\keycap>
Or:
[[keycap characters]]
The shorthand form is [[ (two left square brackets) and ]] (two right square brackets) before and after the keycap characters.
Entity references for special symbol characters, such as arrows, can be used. Multiline keycaps are not available.
The following markup:
Press [[Control]] + [[Home]] to go to the beginning of your document.
produces this output: