doc: Final grammarcheck and spellcheck before 3.6.0 release. * container.txi, aspell-octave.en.pws, expr.txi, vectorize.txi, accumarray.m, accumdim.m, interpft.m, strread.m, parseparams.m, warning_ids.m, cellfun.cc, help.cc: grammarcheck and spellcheck docstrings.

#include "mex.h"

void
mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
  mxArray *v = mxCreateDoubleMatrix (1, 1, mxREAL);

  double *data = mxGetPr (v);

  *data = 1.23456789;

  plhs[0] = v;
}