propose function name as file name when saving a new file (bug #42568) * file-editor-tab.cc (get_function_name): new function, get a possible function name from the contents of the file; (save_file_as): when saving a new file, try to detect the function name by get_function_name and propose this name as file name * file-editor-tab.h (get_function_name): new function

#include "mex.h"

void
mexFunction (int nlhs, mxArray *plhs[],
             int nrhs, const mxArray *prhs[])
{
  mexPrintf ("Hello, World!\n");

  mexPrintf ("I have %d inputs and %d outputs\n", nrhs, nlhs);
}