code: def _isLastCodeColumn(self, block, column):
          
          return column >= self._lastColumn(block) or \
                 self._isComment(block, self._nextNonSpaceColumn(block, column + 1))
docs: Return true if the given column is at least equal to the column that
          contains the last non-whitespace character at the given line, or if
          the rest of the line is a comment.