Vector<Version> versionVec = _request.versionIndex().getNodeChanges(_request.node());
for (int iVersion = 0; iVersion < versionVec.size(); iVersion++) {
Version version = versionVec.get(iVersion);
String css = CSS.CSSProvenanceNeutral;
if(version.provenance().isDelete()) {
css = CSS.CSSProvenanceMinus;
} else if (! version.provenance().isUpdate()) {
css = CSS.CSSProvenancePlus;
}
this.printProvenanceLine(version, css, body);