fix subtle bug in NodeValue::toStream()

diff --git a/src/expr/node_value.cpp b/src/expr/node_value.cpp
index 587f3873bcac9c72cd88f2c1f5acb1fd66fb8cfa..0e3fcb5aebf8a6306f2bae0b16016515a3ab1ecd 100644 (file)
--- a/src/expr/node_value.cpp
+++ b/src/expr/node_value.cpp
@@ -40,7 +40,7 @@ string NodeValue::toString() const {
   stringstream ss;
 
   OutputLanguage outlang = (this == &s_null) ? language::output::LANG_AST : options::outputLanguage();
-  toStream(ss, -1, false,
+  toStream(ss, -1, false, false,
            outlang == language::output::LANG_AUTO ?
              language::output::LANG_AST :
              outlang);