# source

<source> is used to specify the source of the enclosing document.

Example

See <nds>

## 1. Allowed Content

> product
>   The product from which this document originated.
> contact
>   Point of contact for the originating product.

## 2. No Attributes

## 3. Content Rule

> ( product ? , contact ? )

## 4. Parent Elements

> nds
>   Top level element for all DirXML/Driver communication.

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