checking error handling in batch mode 
SIOD ERROR: unbound variable : ###########################################################################
closing a file left open: Makefile
SIOD ERROR: unbound variable : printtt
closing a file left open: data/scherr.scm
caught the error
checking error handling in interactive mode 

Festival Speech Synthesis System 2.4:beta December 2014
Copyright (C) University of Edinburgh, 1996-2010. All rights reserved.

clunits: Copyright (C) University of Edinburgh and CMU 1997-2010
clustergen_engine: Copyright (C) Carnegie Mellon University 2005-2014
hts_engine: 
The HMM-Based Speech Synthesis Engine "hts_engine API"
hts_engine API version 1.07 (http://hts-engine.sourceforge.net/)
Copyright (C) The HMM-Based Speech Synthesis Engine "hts_engine API"
Version 1.07 (http://hts-engine.sourceforge.net/)
Copyright (C) 2001-2012 Nagoya Institute of Technology
              2001-2008 Tokyo Institute of Technology
All rights reserved.

All rights reserved.
For details type `(festival_warranty)'
festival> SIOD ERROR: unbound variable : ###########################################################################
closing a file left open: Makefile
SIOD ERROR: unbound variable : printtt
closing a file left open: data/scherr.scm
caught the error
festival> festival>