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Diffstat (limited to 'src/documentation/content/xdocs/trunk/pdfa.xml')
| -rw-r--r-- | src/documentation/content/xdocs/trunk/pdfa.xml | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/documentation/content/xdocs/trunk/pdfa.xml b/src/documentation/content/xdocs/trunk/pdfa.xml index 505a10805..49ffbeb71 100644 --- a/src/documentation/content/xdocs/trunk/pdfa.xml +++ b/src/documentation/content/xdocs/trunk/pdfa.xml @@ -129,5 +129,31 @@ Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent); activated at the same time. </p> </section> + <section id="interoperability"> + <title>Interoperability</title> + <p> + There has been some confusion about the namespace for the PDF/A indicator in the XMP + metadata. At least three variants have been seen in the wild: + </p> + <table> + <tr> + <td>http://www.aiim.org/pdfa/ns/id.html</td> + <td><strong>obsolete</strong>, from an early draft of ISO-19005-1, used by Adobe Acrobat 7.x</td> + </tr> + <tr> + <td>http://www.aiim.org/pdfa/ns/id</td> + <td><strong>obsolete</strong>, found in the original ISO 19005-1:2005 document</td> + </tr> + <tr> + <td>http://www.aiim.org/pdfa/ns/id/</td> + <td><strong>correct</strong>, found in the technical corrigendum 1 of ISO 19005-1:2005</td> + </tr> + </table> + <p> + If you get an error validating a PDF/A file in Adobe Acrobat 7.x it doesn't mean that + FOP did something wrong. It's Acrobat that is at fault. This is fixed in Adobe Acrobat 8.x + which uses the correct namespace as described in the technical corrigendum 1. + </p> + </section> </body> </document> |