1 files changed, 7 insertions, 0 deletions
diff --git a/document/src/vespa/document/fieldvalue/stringfieldvalue.cpp b/document/src/vespa/document/fieldvalue/stringfieldvalue.cpp
index 47e96b4f4e4..be5070ff3db 100644
--- a/document/src/vespa/document/fieldvalue/stringfieldvalue.cpp
+++ b/document/src/vespa/document/fieldvalue/stringfieldvalue.cpp
@@ -56,6 +56,13 @@ StringFieldValue::print(std::ostream& out, bool verbose, const std::string& inde
         Parent::print(out, verbose, indent);
         ConstBufferRef buf = getSerializedAnnotations();
         out << "\"\n" << indent << " " << vespalib::HexDump(buf.data(), buf.size());
+        if (verbose) {
+            out << "\nSpanTree(\n";
+            for (const auto & tree: getSpanTrees()) {
+                out << "Tree '" << tree->getName() << "':" << tree->toString() << std::endl;
+            }
+            out << ")\n";
+        }
         out << ")";
     }
 }