Complete docstring of parse_branches

Author: cedk

readthedocs/vcs_support/backends/hg.py

@@ -46,7 +46,16 @@ def branches(self):
         return self.parse_branches(stdout)
 
     def parse_branches(self, data):
-        """Stable / default"""
+        """
+        Parses output of `hg branches --quiet`, eg:
+
+            default
+            0.2
+            0.1
+
+        Into VCSVersion objects with branch name as verbose_name and
+        identifier.
+        """
         names = [name.lstrip() for name in data.splitlines()]
         return [VCSVersion(self, name, name) for name in names if name]