62af90efd420012e4f0f28659ed66a7bf20ab3bf error when bad value passed to graph_format

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 200 | PASS: 199 | FAIL: 0 | XFAIL: 1 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 198 | PASS: 196 | FAIL: 1 | XFAIL: 1 | XPASS: 0 | LIST OF FAILED TESTS: | * gsa/ls2003.mod

A full log can be found on karaba in '/tmp/dynare-master-check-17h9zrLhAP.log'.