open file directly without edit command when editing a function from editor * file-editor-tab.cc (handle_context_menu_edit): append .m to file name if necessary, emit new signal to editor for the file open request * file-editor-tab.h: new signal requesting to open a file * file-editor.cc (add_file_editor_tab): connect new request-open-signal to the already existing slot for opening a file

#include <octave/oct.h>

DEFUN_DLD (addtwomatrices, args, , "Add A to B")
{
  int nargin = args.length ();

  if (nargin != 2)
    print_usage ();
  else
    {
      NDArray A = args(0).array_value ();
      NDArray B = args(1).array_value ();
      if (! error_state)
        return octave_value (A + B);
    }

  return octave_value_list ();
}