issue doxygen#11927 [BUG] Regression - Topics are no longer navigable

Author: doxygen

src/groupdef.cpp

@@ -997,9 +997,7 @@ void GroupDefImpl::writeNestedGroups(OutputList &ol,const QCString &title)
         if (anc.isEmpty()) anc=gd->name(); else anc.prepend(gd->name()+"_");
         ol.startMemberItem(anc,OutputGenerator::MemberItemType::Normal);
         ol.insertMemberAlign();
-        ol.startIndexItem(gd->getReference(),gd->getOutputFileBase());
-        ol.docify(gd->groupTitleAsText());
-        ol.endIndexItem(gd->getReference(),gd->getOutputFileBase());
+        ol.writeObjectLink(gd->getReference(),gd->getOutputFileBase(),QCString(),gd->groupTitleAsText());
         ol.endMemberItem(OutputGenerator::MemberItemType::Normal);
         if (!gd->briefDescription().isEmpty() && Config_getBool(BRIEF_MEMBER_DESC))
         {