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# 6.18. export Macro

## Interface

The general syntax is:

      !export name

The arguments are:

Name | Type | Default | Rule
name | symbol |  |

See Understanding Macro Interfaces, if necessary.

## Description

The export macro ensures that the target documentation system receives the value of the nominated variable each time it changes. If the variable is currently defined, the target system is immediately notified of its value.

## Examples