2007-11-04  Muthiah Annamalai  <address@hidden>
	* control/util/axis2dlim.m : enforce default argument case.

	* control/base/bode_bounds.m, control/base/dgram.m, control/base/dlyap.m, control/base/freqchkw.m, 
        control/base/gram.m, control/base/place.m, control/hinf/hinf_ctr.m, 
	control/hinf/hinfsyn_chk.m, control/hinf/hinfsyn_ric.m, control/system/is_sample.m,
	control/system/is_signal_list.m, control/system/ss2tf.m, control/system/sys2fir.m,
	control/system/sysgettsam.m, control/system/sysgettype.m, control/system/sysreorder.m,
	control/system/tf2sys.m, control/system/zp2tf.m, control/util/swap.m, control/util/zgfmul.m,
	control/util/zgfslv.m, control/util/zginit.m, control/util/zgreduce.m, control/util/zgreduce.m,
	control/util/zgrownorm.m, control/util/zgscal.m, control/util/zgsgiv.m, control/util/zgshr.m,
        general/isa.m, geometry/inpolygon.m, linear-algebra/housh.m, miscellaneous/compare_versions.m,
	miscellaneous/inputname.m miscellaneous/run.m, quaternion/qconj.m, quaternion/qcoordinate_plot.m, 
	quaternion/qderiv.m, quaternion/qderivmat.m, quaternion/qinv.m, quaternion/qmult.m, 
	quaternion/qtrans.m, quaternion/qtransv.m, quaternion/qtransvmat.m, signal/fractdiff.m, 
        signal/freqz_plot.m, signal/periodogram.m, signal/rectangle_lw.m, signal/rectangle_sw.m,
	signal/sinc.m, signal/triangle_lw.m, signal/triangle_sw.m, signal/yulewalker.m, 
        sparse/colperm.m, sparse/etreeplot.m, sparse/nonzeros.m, sparse/spalloc.m, 
	sparse/spones.m, sparse/spy.m, specfun/isprime.m, statistics/distributions/empirical_cdf.m, 
	statistics/distributions/empirical_pdf.m, statistics/distributions/empirical_inv.m, 
        statistics/models/logistic_regression_derivatives.m, 
	statistics/models/logistic_regression_likelihood.m:  Fix argument checking.