That style of enter key is common on European and Japanese keyboard layouts. Similarly, the small spacebar is common on some Japanese keyboards to accomodate f

That style of enter key is common on European and Japanese keyboard layouts. Similarly, the small spacebar is common on some Japanese keyboards to accomodate for extra language input keys: https://en.wikipedia.org/wiki/Language_input_keys https://en.wikipedia.org/wiki/Language_input_keys