Merge pull request #1077 from langfr/bugfix/XMPParser

Remove leading characters from extracted XMP metadata.

validator/src/main/java/org/mustangproject/validator/PDFValidator.java

@@ -127,7 +127,7 @@ public class PDFValidator extends Validator {
 		final ZUGFeRDImporter zi = new ZUGFeRDImporter();
 		zi.doIgnoreCalculationErrors();//of course the calculation will still be schematron checked
 		zi.setInputStream(inputStream);
-		final String xmp = zi.getXMP();
+		final String xmp = zi.getXMP().substring(zi.getXMP().indexOf('<'));
 
 		final Document docXMP;
 

validator/src/test/java/org/mustangproject/validator/PDFValidatorTest.java

@@ -179,6 +179,15 @@ public class PDFValidatorTest extends ResourceCase {
 			
 			assertEquals(true, actual
 					.contains("<error type=\"28\">XMP Metadata: Could not parse XMP metadata (XML invalid)</error>"));
+
+			contents = getResourceAsByteArray("103767-Invoice-2026-03-24-1.pdf");
+
+			pv.setFilenameAndContents("103767-Invoice-2026-03-24-1.pdf", contents);
+			vc.clear();
+			pv.validate();
+			actual = pv.getXMLResult();
+
+			assertEquals(false, actual.contains("<error"));
 		} catch (final IrrecoverableValidationError e) {
 			// ignore, will be in XML output anyway
 		}