--- a/src/XMLDocumentConstructor.h	Fri Nov 20 11:59:15 2020 +0100
+++ b/src/XMLDocumentConstructor.h	Wed Nov 25 17:28:17 2020 +0100
@@ -88,48 +88,37 @@
 
 			if (!yaml_parser_parse(&yamlParser, &event)) {
 				// FIXME: throw exception
-				std::wcerr << L"YAML error" << std::endl;
 				return;
 			}
 
 
 			if (event.type == YAML_STREAM_END_EVENT) {
-				std::cerr << "YAML_STREAM_END_EVENT" << std::endl;
 				yaml_event_delete(&event);
 				break;
 			} else if (event.type == YAML_STREAM_START_EVENT) {
-				std::cerr << "YAML_STREAM_START_EVENT" << std::endl;
 			} else if (event.type == YAML_NO_EVENT) {
-				std::cerr << "YAML_NO_EVENT" << std::endl;
 				current->add_child("null"); // TODO: null?
 			} else if (event.type == YAML_DOCUMENT_START_EVENT) {
-				std::cerr << "YAML_DOCUMENT_START_EVENT" << std::endl;
 			} else if (event.type == YAML_DOCUMENT_END_EVENT) {
-				std::cerr << "YAML_DOCUMENT_END_EVENT" << std::endl;
 			} else if (event.type == YAML_ALIAS_EVENT) {
-				std::cerr << "YAML_ALIAS_EVENT" << std::endl;
 				// TODO: alias?
 			} else if (event.type == YAML_SCALAR_EVENT) {
 				if (mode.back() == Mode::SEQUENCE) {
-					std::cerr << "YAML_SCALAR_EVENT: Mode::SEQUENCE: " << event.data.scalar.value << std::endl;
 					current->add_child(itemName)->add_child_text(y2x(event.data.scalar.value));
 				} else if (mode.back() == Mode::MAPPING) {
-					std::cerr << "YAML_SCALAR_EVENT: Mode::MAPPING: " << event.data.scalar.value << std::endl;
 					current = current->add_child(y2xname(event.data.scalar.value));
 					mode.push_back(Mode::MAP_KEY);
 				} else if (mode.back() == Mode::MAP_KEY) {
-					std::cerr << "YAML_SCALAR_EVENT: Mode::MAP_KEY: " << event.data.scalar.value << std::endl;
 					current->add_child_text(y2x(event.data.scalar.value));
 					current = parentOrSelf(current);
 					mode.pop_back();
 				} else if (mode.back() == Mode::ROOT) {
 					current->add_child_text(y2x(event.data.scalar.value));
 				} else {
-					std::cerr << "YAML_SCALAR_EVENT: ???" << std::endl;
+					// TODO: process YAML_SCALAR_EVENT
 				}
 
 			} else if (event.type == YAML_SEQUENCE_START_EVENT) {
-				std::cerr << "YAML_SEQUENCE_START_EVENT" << std::endl;
 				xmlpp::Element* parent = current->get_parent();
 				if (parent) {
 					itemName = current->get_name();
@@ -141,30 +130,24 @@
 				if (mode.back() == Mode::MAP_KEY) mode.pop_back();
 				mode.push_back(Mode::SEQUENCE);
 			} else if (event.type == YAML_SEQUENCE_END_EVENT) {
-				std::cerr << "YAML_SEQUENCE_END_EVENT" << std::endl;
 				mode.pop_back(); // TODO: assert sequence?
 			} else if (event.type == YAML_MAPPING_START_EVENT) {
 
 				if (mode.back() == Mode::ROOT) {
-					std::cerr << "YAML_MAPPING_START_EVENT: Mode:ROOT" << std::endl;
 				} else if (mode.back() == Mode::SEQUENCE) {
-					std::cerr << "YAML_MAPPING_START_EVENT: Mode::SEQUENCE" << std::endl;
 					current = current->add_child(itemName);
 				} else if (mode.back() == Mode::MAP_KEY) {
-					std::cerr << "YAML_MAPPING_START_EVENT: Mode::MAP_KEY" << std::endl;
 					mode.pop_back();
 				} else {
-					std::cerr << "YAML_MAPPING_START_EVENT: Mode::?" << std::endl;
 					// TODO: map might be a key of another map → wrap/nest
 				}
 
 				mode.push_back(Mode::MAPPING);
 			} else if (event.type == YAML_MAPPING_END_EVENT) {
-				std::cerr << "YAML_MAPPING_END_EVENT" << std::endl;
 				current = parentOrSelf(current);
 				mode.pop_back(); // TODO: assert map?
 			} else {
-				std::cerr << "???" << std::endl;
+				// TODO: unsupported type?
 			}
 
 			yaml_event_delete(&event);