Silence warning messages in %!test code. * ind2rgb.m: Turn off "Octave:ind2rgb:invalid-idx-img" locally. * condest.m: Turn off "Octave:nearly-singular-matrix" locally. * logm.m: Turn off "Octave:logm:non-principal" locally. * polyfit.m: Turn off "Octave:nearly-singular-matrix" locally. * __printf_assert__.m: Initialize global _assert_printf to empty string to avoid num-to-str warning later. * __prog_output_assert__.m: Initialize global _assert_printf to empty string to avoid num-to-str warning later. . * parser.tst: Turn off "Octave:num-to-str" locally.

% Increase save size to run @seealso macro for Octave documentation
save_size = 10000