,

Commas can be introduced with no effect on how a code is parsed. It is intended to aid in human understanding of code and can be used to group together related arguments.

4, 5 6 add #leave the 4 on the stack, add 5 and 6 to place 11 on the stack also

Note: A space is required either before or after the comma for the command to be interpreted correctly as the code interpreter simply discards the comma instead of replacing it with a space.

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