Adobe PDF namespace
This namespace specifies properties used with Adobe PDF documents.
The namespace URI is http://ns.adobe.com/pdf/1.3/
The preferred namespace prefix is pdf
| Name | Description | Type |
| pdf:Keywords | Keywords. | Text |
| pdf:PDFVersion | The PDF file version (for example: 1.0, 1.3, and so on). | Text |
| pdf:Producer | The name of the tool that created the PDF document. | AgentName |
| pdf:Trapped | True when the document has been trapped. | Boolean |
