Function mcel_isblank

src/cut.c:296–300

   It assumes all unibyte locales match c_isblank.  */

static bool
mcel_isblank (mcel_t g)
{
  return (g.len == 1 && c_isblank (g.ch)) || (g.len > 1 && c32issep (g.ch));
}

/* Return TRUE if it's valid to do a simple byte search
   for the delimiter bytes.  */