in src/main/java/org/apache/maven/plugins/pdf/DocumentModelBuilder.java [267:286]
private static String getProjectModelEncoding(MavenProject project) {
if (project == null) {
return null;
}
String encoding = project.getModel().getModelEncoding();
// Workaround for MNG-4289
try (XmlStreamReader reader = new XmlStreamReader(project.getFile())) {
encoding = reader.getEncoding();
} catch (IOException e) {
// nop
}
if (encoding == null || encoding.isEmpty()) {
return "UTF-8";
}
return encoding;
}