--- a/src/lib/AbstractParser.cpp	Sat Mar 13 19:28:13 2021 +0100
+++ b/src/lib/AbstractParser.cpp	Sun Mar 14 19:58:35 2021 +0100
@@ -55,6 +55,9 @@
 	}
 }
 
+void AbstractParser::close() {
+}
+
 void AbstractParser::rollback() {
 	// FIXME: store content of the current buffer + update pointers and positions
 	// TODO: notify rollback listeners? (they can monitor the performance / frequency of rollbacks)