Userdict – AMT Datasouth PAL User Manual

Page 200

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userdict

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Examples

To remove an entry from userdict, the programmer need only use the operator userdict when
specifying the dictionary upon which undef should operate. The following example defines the
procedure DoNothing and then promptly undefines the procedure.

/DoNothing {1 2 add 3 sub pop} def
userdict /DoNothing undef

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