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.

--- a/test/parser.tst	Sat Feb 07 11:32:47 2015 -0500
+++ b/test/parser.tst	Sat Feb 07 20:55:39 2015 -0800
@@ -293,6 +293,7 @@
 %! assert (xyz, 1);
 
 %!test
+%! warning ("off", "Octave:num-to-str", "local");
 %! a = [97 ... % comment
 %!      'b'];
 %! assert (a, 'ab');