New answers tagged internationalization
This is the ⌤ 'Enter Key' character, which is distinct from the similar ⌅ 'Projective' character. ⌤ Unicode Character 'UP ARROWHEAD BETWEEN TWO HORIZONTAL BARS' (U+2324) Old name: 'ENTER KEY' Wikipedia says: The "Enter" key is commonly labelled with its name in plain text on generic PC keyboards, or with the symbol ⌤ (U+2324 up arrowhead between two ...
I think Apple support for RTL may go back to OS 7.1: See http://www.macintouch.com/m85_multilingual.html It was definitely part of OS 9/Classic. For more info see my old page here: https://dl.dropboxusercontent.com/u/46870715/s/jmlingos9.html As Mike Scott mentioned, RTL was missing in 10.0 and 10.1.
It was introduced in 10.2, Jaguar, and greatly improved in 10.3, Panther. See this article from MacOSXHints for evidence and more details.
I was able to log in to https://appleid.apple.com/ and set my country/locale/language to "USA". Took me a little while to figure this out. :)
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