Check opening/closing of docstring.

        @param node_type: type of node
        @param node: current node of pylint
        @param linenoDocstring: linenumber of docstring

def _checkDocstringFormat(self, node_type, node, linenoDocstring):
        """
        Check opening/closing of docstring.

        @param node_type: type of node
        @param node: current node of pylint
        @param linenoDocstring: linenumber of docstring
        """
        # Check the opening/closing of docstring.
        docstringStrippedSpaces = node.doc.strip(" ")
        if (not docstringStrippedSpaces.startswith("\n")
            or not docstringStrippedSpaces.endswith("\n")):
            # If the docstring is in one line, then do not check indentations.
            self.add_message('W9201', line=linenoDocstring, node=node)
        else:
            # If the docstring's opening and closing quotes are on separate
            # lines, then we check its indentation.
            # Generating warnings about indentation when the quotes aren't
            # done right only clutters the output.
            self._checkIndentationIssue(node, node_type, linenoDocstring)