6.41. undef Macro
Interface
The general syntax is:
!undef name
The arguments are:
Name | Type | Default | Rule |
name | symbol |
See Understanding Macro Interfaces, if necessary.
Description
The undef macro undefines a variable.
The general syntax is:
!undef name
The arguments are:
Name | Type | Default | Rule |
name | symbol |
See Understanding Macro Interfaces, if necessary.
The undef macro undefines a variable.