1<!-- 2 PPD extension documentation for CUPS. 3 4 Copyright © 2020-2024 by OpenPrinting. 5 Copyright © 2007-2011 by Apple Inc. 6 Copyright © 1997-2007 by Easy Software Products. 7 8 Licensed under Apache License v2.0. See the file "LICENSE" for more 9 information. 10--> 11 12<H1 CLASS="title">CUPS PPD Extensions</H1> 13 14<p>This specification describes the attributes and extensions that CUPS adds to <a href="http://partners.adobe.com/public/developer/en/ps/5003.PPD_Spec_v4.3.pdf" target="_blank">Adobe TechNote #5003: PostScript Printer Description File Format Specification Version 4.3</a>. PostScript Printer Description ("PPD") files describe the capabilities of each printer and are used by CUPS to support printer-specific features and intelligent filtering.</p> 15 16<div class='summary'><table summary='General Information'> 17<tbody> 18<tr> 19 <th>See Also</th> 20 <td>Programming: <a href='postscript-driver.html'>Developing PostScript Printer Drivers</a><br> 21 Programming: <a href='raster-driver.html'>Developing Raster Printer Drivers</a><br> 22 Programming: <a href='api-filter.html'>Filter and Backend Programming</a><br> 23 Programming: <a href='ppd-compiler.html'>Introduction to the PPD Compiler</a><br> 24 Programming: <a href='api-raster.html'>Raster API</a><br> 25 References: <a href='ref-ppdcfile.html'>PPD Compiler Driver Information File Reference</a></td> 26</tr> 27</tbody> 28</table></div> 29