[PATCH] resolve: add D state to help

[Ryan McElroy]

# HG changeset patch
# User Ryan McElroy <rmcelroy at fb.com>
# Date 1467655196 25200
#      Mon Jul 04 10:59:56 2016 -0700
# Node ID 0a056778dfeba44b761ba77c47d4f0521690ab41
# Parent  fd93b15b5c30d16fd9c9eba61402d07fc4085db3
resolve: add D state to help

The 'D' (resolved by merge driver) state was not mentioned in the help but
it can show up in output that users see, so we should document it.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -6112,7 +6112,8 @@ def resolve(ui, repo, *pats, **opts):
       default is to mark all resolved files.
 
     - :hg:`resolve -l`: list files which had or still have conflicts.
-      In the printed list, ``U`` = unresolved and ``R`` = resolved.
+      In the printed list, ``U`` = unresolved, ``R`` = resolved, and
+      ``D`` = resolved by the merge driver (see :hg:`help merge-tools`).
 
     .. note::