Bugfixes for negative segments, focus() and some logging issues
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index 3619d79..6de0cdd 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -4,6 +4,8 @@
 
 # Spans:
 #log4j.logger.de.ids_mannheim.korap.query.spans.ElementSpans = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.spans.AttributeSpans = TRACE, stdout
+#log4j.logger.de.ids_mannheim.korap.query.spans.ElementAttributeSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.KorapTermSpan = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.spans.WithinSpans = TRACE, stdout
 #log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout