* subversion/libsvn_client/diff.c
(adjust_paths_for_diff_labels): Add a helpful comment.
@@ -202,6 +202,7 @@ adjust_paths_for_diff_labels(const char **index_path,
/* ### BH: We can now just construct the repos_relpath, etc. as the
anchor is available. See also make_repos_relpath() */
+ /* Remove the common prefix of NEW_PATH1 and NEW_PATH2. */
is_url1 = svn_path_is_url(new_path1);
is_url2 = svn_path_is_url(new_path2);
