robust_list_ref ((duration_log (me) - 2) >? 0, sshorten): SCM_EOL;
Real shorten = 2* robust_scm2double (scm_shorten,0);
/* On boundary: shorten only half */
robust_list_ref ((duration_log (me) - 2) >? 0, sshorten): SCM_EOL;
Real shorten = 2* robust_scm2double (scm_shorten,0);
/* On boundary: shorten only half */