pep2html: New Post-History handling

pep2html.py

@@ -493,6 +493,25 @@ def apply(self):
                 para[:] = [nodes.reference('', pep_type, refuri=uri)]
             elif name == 'version' and len(body):
                 utils.clean_rcs_keywords(para, self.rcs_keyword_substitutions)
+            elif name == 'post-history':
+                new_nodes = []
+                for pair in body.astext().split(","):
+                    pair = pair.strip()
+                    try:
+                        # if Post-History has no links, ``pair.split(maxsplit=1)``
+                        # will raise ValueError
+                        date, uri = pair.split(maxsplit=1)
+                        node = nodes.reference("",
+                                               date.strip(),
+                                               refuri=uri.strip(" \n\r\t><"),
+                                               internal=False,
+                                               )
+                    except ValueError:
+                        node = nodes.Text(pair)
+
+                    new_nodes += [node, nodes.Text(", ")]
+
+                body[0][:] = new_nodes[:-1]  # remove final ', '
 
 
 class PEPFooter(Transform):