# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2023-09-19 21:14:36
# Node ID ccddd2f540133a2cbcd30b55ee0dbb139a8a4a5a
# Parent  6c3798b4597fd72823b32fc307329c3ac00cc40b

revlog: document the `rev` method

A small docstring does not hurt.

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -941,6 +941,7 @@ class revlog:
                 self.index.update_nodemap_data(*nodemap_data)
 
     def rev(self, node):
+        """return the revision number associated with a <nodeid>"""
         try:
             return self.index.rev(node)
         except TypeError: