7 def is_github_ref(node):  argument
21     def visit_document(self, node):  argument
24     def depart_document(self, node):  argument
27     def visit_section(self, node):  argument
30     def depart_section(self, node):  argument
34     def visit_title(self, node):  argument
38     def depart_title(self, node):  argument
41     def visit_Text(self, node):  argument
46     def depart_Text(self, node):  argument
49     def visit_bullet_list(self, node):  argument
52     def depart_bullet_list(self, node):  argument
55     def visit_list_item(self, node):  argument
59     def depart_list_item(self, node):  argument
63     def visit_paragraph(self, node):  argument
66     def depart_paragraph(self, node):  argument
69     def visit_reference(self, node):  argument
73     def depart_reference(self, node):  argument
77     def visit_target(self, node):  argument
80     def depart_target(self, node):  argument
83     def visit_literal(self, node):  argument
86     def depart_literal(self, node):  argument
89     def visit_literal_block(self, node):  argument
96     def depart_literal_block(self, node):  argument
100     def visit_inline(self, node):  argument
103     def depart_inline(self, node):  argument
106     def visit_image(self, node):  argument
109     def depart_image(self, node):  argument