maint: Shorten some long lines to <= 80 characters (bug #57599) * audiorecorder.m, disable_diagonal_matrix.m, disable_permutation_matrix.m, disable_range.m, atan2d.m, accumdim.m, bitcmp.m, blkdiag.m, cplxpair.m, dblquad.m, integral2.m, integral3.m, interp2.m, interpn.m, logspace.m, delaunayn.m, griddata3.m, imread.m, genvarname.m, strread.m, nthargout.m, parseparams.m, lsqnonneg.m, qp.m, sqp.m, material.m, __gnuplot_legend__.m, plot.m, __gnuplot_drawnow__.m, polygcd.m, polyvalm.m, setdiff.m, fftfilt.m, eigs.m, betainc.m, cosint.m, factor.m, gallery.m, toeplitz.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, iqr.m, kurtosis.m, quantile.m, bin2dec.m, isstrprop.m, mat2str.m, strchr.m, strsplit.m, __have_feature__.m, datenum.m, datevec.m, eomday.m, weboptions.m: maint: Shorten some long lines to <= 80 characters.

--- a/scripts/strings/mat2str.m	Tue Nov 23 11:26:38 2021 -0800
+++ b/scripts/strings/mat2str.m	Tue Nov 23 13:28:34 2021 -0800
@@ -142,8 +142,10 @@
 %!assert (mat2str (pi), "3.14159265358979")
 %!assert (mat2str (pi, 5), "3.1416")
 %!assert (mat2str (single (pi), 5, "class"), "single(3.1416)")
-%!assert (mat2str ([-1/3 + i/7; 1/3 - i/7], [4 2]), "[-0.3333+0.14i;0.3333-0.14i]")
-%!assert (mat2str ([-1/3 +i/7; 1/3 -i/7], [4 2]), "[-0.3333+0i 0+0.14i;0.3333+0i -0-0.14i]")
+%!assert (mat2str ([-1/3 + i/7; 1/3 - i/7], [4 2]),
+%!        "[-0.3333+0.14i;0.3333-0.14i]")
+%!assert (mat2str ([-1/3 +i/7; 1/3 -i/7], [4 2]),
+%!        "[-0.3333+0i 0+0.14i;0.3333+0i -0-0.14i]")
 %!assert (mat2str (int16 ([1 -1]), "class"), "int16([1 -1])")
 %!assert (mat2str (true), "true")
 %!assert (mat2str (false), "false")