avoid the ambiguity to fix compilation error
@@ -411,7 +411,7 @@ public class ConsoleSessionImpl implements Session {
CharSequence command = null;
reading.set(true);
try {
- reader.readLine(getPrompt(), getRPrompt(), null, null);
+ reader.readLine(getPrompt(), getRPrompt(), (Character)null, null);
ParsedLine pl = reader.getParsedLine();
if (pl instanceof ParsedLineImpl) {
command = ((ParsedLineImpl) pl).program();
