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Re:J can look like APL or English by yiyus on Sunday August 18, 2019 @11:03AM (#20730541)
ColorForth has a color-blind mode, but I do not remember the details.

The main idea is to change visual representation instead of using delimiters. Different fonts or text sizes sizes or cursive/inverse/underline are also valid ways of displaying different "colors".

Re:J can look like APL or English by 6thaccount2 on Sunday August 18, 2019 @01:49PM (#20731675)
Yes I remember that reply which came from him, but forgot to mention. It is an interesting idea.