Preface error() messages with name of function when possible. * FIRfilter.m, subsasgn.m, get.m, polynomial.m, polynomial_superiorto.m, set.m, subsasgn.m, subsref.m, Cell.cc, data.cc, graphics.in.h, toplev.cc, urlwrite.cc, audiodevinfo.cc, symbfact.cc, CollocWt.cc, inputParser.m, narginchk.m, nargoutchk.m, uicontrol.m, rgb2ind.m, textread.m, open.m, __w2mpth__.m, fminbnd.m, pkg.m, pan.m, printd.m, rotate3d.m, zoom.m, eigs.m, validatestring.m, __run_test_suite__.m, runtests.m, test.m: Preface error() messages with name of function when possible.

function out = subsasgn (f, index, val)
  switch (index.type)
    case "."
      fld = index.subs;
      if (strcmp (fld, "polynomial"))
        out = f;
        out.polynomial = val;
      else
        error ("@FIRfilter/subsasgn: invalid property \"%s\"", fld);
      endif
    otherwise
      error ("@FIRfilter/subsasgn: Invalid index type")
  endswitch
endfunction