SDF 2.000: SDF Reference: undef Macro

Contents | Parent Topic | Previous Topic | Next Topic
Home | Catalog

# 6.40. 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.

## Examples

Contents | Parent Topic | Previous Topic | Next Topic
Home | Catalog