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Syntax

ERN

ERN name

ERN name1 name2 name3 . . .

Explanation

ERN removes the variable(s) specified by its input from the Logo workspace.

ERN used without any inputs removes all variables from the workspace. See also ERASE, BURIEDNAMES, BURYNAME, and UNBURYNAME.

ERASE belongs to the commands which do not evaluate their input. You can supply the inputs without quoting them. If you, however, want an input to be evaluated, you can surround it with brackets.

Examples

? PONS

COLOR is BLUE

NUMBER is 2

JOHN is JANE

? ERN COLOR

? ERN NUMBER (FIRST [JOHN SMITH])

? PONS

?

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