Hello Olivier, I think you should report the issue on the JIRA bugtracker: https://issues.apache.org/jira/projects/XERCESJ/issues/XERCESJ-493
regards, On Mon, Jun 16, 2025 at 11:15 AM Olivier Cailloux < olivier.caill...@dauphine.psl.eu> wrote: > Dear list, > > The LSSerializer > <https://xml.apache.org/xalan-j/apidocs/org/w3c/dom/ls/LSSerializer.html> of > Xerces 2.12.2 with pretty-print misses a new line after the xml > declaration. The bug is similar to JDK-8259502 > <https://bugs.openjdk.org/browse/JDK-8259502>, that has been corrected in > the JDK (although the bug description mentions Xalan, the bug does happen > if, and only if, Xerces is included in the dependencies > <https://github.com/oliviercailloux/JARiS/blob/xerces-html/pom.xml#L83-L88>). > It can be reproduced with this test > <https://github.com/oliviercailloux/JARiS/blob/xerces-html/src/test/java/io/github/oliviercailloux/jaris/xml/XercesSerializationTests.java> > . > > Should I report this somewhere? > >