# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 1533934767 25200
# Node ID 2af6b2d8d1d823fb57b1d6363aae7858d9d17c98
# Parent  0617a700ef7bd0a59cd38bc876359b6ecaaaed77
repository: clarify role of imanifestlog

Looking at the implementation of manifest.manifestlog, it is highly
tailored towards servicing the root manifest. So clarify that in the
interface docstring.

Differential Revision: https://phab.mercurial-scm.org/D4273

diff -r 0617a700ef7b -r 2af6b2d8d1d8 mercurial/repository.py
--- a/mercurial/repository.py	Fri Aug 10 13:43:26 2018 -0700
+++ b/mercurial/repository.py	Fri Aug 10 13:59:27 2018 -0700
@@ -989,7 +989,13 @@
         """
 
 class imanifestlog(interfaceutil.Interface):
-    """Interface representing a collection of manifest snapshots."""
+    """Interface representing a collection of manifest snapshots.
+
+    Represents the root manifest in a repository.
+
+    Also serves as a means to access nested tree manifests and to cache
+    tree manifests.
+    """
 
     def __getitem__(node):
         """Obtain a manifest instance for a given binary node.