Add 'revert' example to git-drover docs.

man/man1/git-drover.1

 '\" t
 .\"     Title: git-drover
 .\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
 .\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
-.\"      Date: 08/25/2014
+.\"      Date: 09/05/2014
 .\"    Manual: Chromium depot_tools Manual
-.\"    Source: depot_tools f0a4926
+.\"    Source: depot_tools 2171f9c
 .\"  Language: English
 .\"
-.TH "GIT\-DROVER" "1" "08/25/2014" "depot_tools f0a4926" "Chromium depot_tools Manual"
+.TH "GIT\-DROVER" "1" "09/05/2014" "depot_tools 2171f9c" "Chromium depot_tools Manual"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 .\" http://bugs.debian.org/507673
 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 .ie \n(.g .ds Aq \(aq
 .el       .ds Aq '
 .\" -----------------------------------------------------------------
@@ skipping 11 matching lines @@
 .SH "SYNOPSIS"
 .sp
 .nf
 \fIgit drover\fR
 .fi
 .sp
 .SH "DESCRIPTION"
 .sp
 git drover is NOT IMPLEMENTED yet\&. See the EXAMPLE section for the equivalent sequence of commands to run\&.
 .SH "EXAMPLE"
+.SS "PREREQUISITES"
 .sp
-Before working with branches, you must \*(Aqgclient sync \-\-with_branch_heads\*(Aq at least once to fetch the branches\&.
+Before working with branches, you must \fIgclient sync \-\-with_branch_heads\fR at least once to fetch the branches\&.
+.sp
+.it 1 an-trap
+.nr an-no-space-flag 1
+.nr an-break-flag 1
+.br
+.ps +1
+\fBMerge Example\fR
+.RS 4
+.sp
+
 .sp
 .if n \{\
 .RS 4
 .\}
 .nf
 # Make sure we have the most up\-to\-date branch sources\&.
 \fB$ git fetch\fR
 
 # Here\*(Aqs the commit we want to \*(Aqdrover\*(Aq\&.
 \fB$ git log \-n 1 \-\-pretty=fuller\fR
-commit fd935aae549962611c2f178dc9026f23ae2ad9bd
+commit 14293306d7969cff815969e2502f47794a63fbc5
 Author:     some\&.committer <some\&.committer@chromium\&.org>
 AuthorDate: Thu Apr 10 08:54:46 2014 +0000
 Commit:     some\&.committer <some\&.committer@chromium\&.org>
 CommitDate: Thu Apr 10 08:54:46 2014 +0000
 
     This change needs to go to branch 9999
 
 # Checkout the branch we want to \*(Aqdrover\*(Aq to\&.
 \fB$ git checkout \-b drover_9999 branch\-heads/9999\fR
 Branch drover_9999 set up to track remote ref refs/branch\-heads/9999\&.
 
 # Now do the \*(Aqdrover\*(Aq\&.
 # IMPORTANT!!! Do Not leave off the \*(Aq\-x\*(Aq flag
-\fB$ git cherry\-pick \-x fd935aae549962611c2f178dc9026f23ae2ad9bd\fR
-[drover_9999 0f36796] This change needs to go to branch 9999
+\fB$ git cherry\-pick \-x 14293306d7969cff815969e2502f47794a63fbc5\fR
+[drover_9999 3200a8c] This change needs to go to branch 9999
  Author: some\&.committer <some\&.committer@chromium\&.org>
  Date: Thu Apr 10 08:54:46 2014 +0000
  1 file changed, 1 insertion(+)
  create mode 100644 modified_file
 
 # That took the code authored by some\&.commiter and commited it to the
 # branch by branch\&.maintainer (us)\&.
 \fB$ git log \-n 1 \-\-pretty=fuller\fR
-commit 0f3679662379e7032957abcc7d63e96cec444ec7
+commit 3200a8cb2072a7c84aaba52baaecbf5e4d17ad00
 Author:     some\&.committer <some\&.committer@chromium\&.org>
 AuthorDate: Thu Apr 10 08:54:46 2014 +0000
 Commit:     branch\&.maintainer <branch\&.maintainer@chromium\&.org>
 CommitDate: Thu Apr 10 09:11:36 2014 +0000
 
     This change needs to go to branch 9999
 
-    (cherry picked from commit fd935aae549962611c2f178dc9026f23ae2ad9bd)
+    (cherry picked from commit 14293306d7969cff815969e2502f47794a63fbc5)
 
 # Looks good\&. Ship it!
 \fB$ git cl upload\fR
-# Get LGTM or TBR\&.
+# Wait for LGTM or TBR it\&.
 \fB$ git cl land\fR
 # Or skip the LGTM/TBR and just \*(Aqgit cl land \-\-bypass\-hooks\*(Aq
 .fi
 .if n \{\
 .RE
 .\}
 .sp
+.RE
+.sp
+.it 1 an-trap
+.nr an-no-space-flag 1
+.nr an-break-flag 1
+.br
+.ps +1
+\fBRevert Example\fR
+.RS 4
+.sp
+
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+# Make sure we have the most up\-to\-date branch sources\&.
+\fB$ git fetch\fR
+
+# Checkout the branch with the change we want to revert\&.
+\fB$ git checkout \-b drover_9999 branch\-heads/9999\fR
+Branch drover_9999 set up to track remote ref refs/branch\-heads/9999\&.
+
+# Here\*(Aqs the commit we want to revert\&.
+\fB$ git log \-n 1\fR
+commit 4803efead17077ecd40440caef2e78d1c66098cf
+Author: some\&.committer <some\&.committer@chromium\&.org>
+Date:   Thu Apr 10 08:54:46 2014 +0000
+
+    This change is horribly broken\&.
+
+# Now do the revert\&.
+\fB$ git revert 4803efead17077ecd40440caef2e78d1c66098cf\fR
+
+# That reverted the change and committed the revert\&.
+\fB$ git log \-n 1\fR
+commit 52350f2809ce71352326f1518feae57ac5152f18
+Author: branch\&.maintainer <branch\&.maintainer@chromium\&.org>
+Date:   Thu Apr 10 09:11:36 2014 +0000
+
+    Revert "This change is horribly broken\&."
+
+    This reverts commit 4803efead17077ecd40440caef2e78d1c66098cf\&.
+
+# As with old drover, reverts are generally OK to commit without LGTM\&.
+\fB$ git cl upload \-r some\&.committer@chromium\&.org \-\-send\-mail\fR
+\fB$ git cl land \-\-bypass\-hooks\fR
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+.RE
 .SH "SEE ALSO"
 .sp
-\fBgit-cherry-pick\fR(1)
+\fBgit-cherry-pick\fR(1) \fBgit-revert\fR(1)
 .SH "CHROMIUM DEPOT_TOOLS"
 .sp
 Part of the chromium \fBdepot_tools\fR(7) suite\&. These tools are meant to assist with the development of chromium and related projects\&. Download the tools from \m[blue]\fBhere\fR\m[]\&\s-2\u[1]\d\s+2\&.
 .SH "NOTES"
 .IP " 1." 4
 here
 .RS 4
 \%https://chromium.googlesource.com/chromium/tools/depot_tools.git
 .RE