def _skip_nonwhitespace(data, pos):
 while (pos < len(data)):
  if data[pos].isspace():
   break
  pos += 1
 return pos

def _skip_nonwhitespace ( data , pos ) : while ( pos < len ( data ) ) : if data [ pos ] . isspace ( ) : break pos += 1 return pos
return first position not before pos which contains a non-whitespace character .