[PATCH 4 of 4] extdiff: isolate path variable of saved command to independent paragraph

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1469623489 -32400
#      Wed Jul 27 21:44:49 2016 +0900
# Node ID 56e9357be6b2704678331999e8b4b02777fc724b
# Parent  99a275727f2eb0a69dd9dcd322584b824a5a22af
extdiff: isolate path variable of saved command to independent paragraph

Otherwise, the whole paragraph wouldn't be translated.

diff --git a/hgext/extdiff.py b/hgext/extdiff.py
--- a/hgext/extdiff.py
+++ b/hgext/extdiff.py
@@ -325,10 +325,12 @@ def extdiff(ui, repo, *pats, **opts):
     return dodiff(ui, repo, cmdline, pats, opts)
 
 class savedcmd(object):
-    """use %(path)s to diff repository (or selected files)
+    """use external program to diff repository (or selected files)
 
     Show differences between revisions for the specified files, using
-    the %(path)s program.
+    the following program::
+
+        %(path)s
 
     When two revision arguments are given, then changes are shown
     between those revisions. If only one revision is specified then
diff --git a/tests/test-extdiff.t b/tests/test-extdiff.t
--- a/tests/test-extdiff.t
+++ b/tests/test-extdiff.t
@@ -31,10 +31,12 @@ Should diff cloned directories:
   $ hg help falabala
   hg falabala [OPTION]... [FILE]...
   
-  use 'echo' to diff repository (or selected files)
+  use external program to diff repository (or selected files)
   
       Show differences between revisions for the specified files, using the
-      'echo' program.
+      following program:
+  
+        'echo'
   
       When two revision arguments are given, then changes are shown between
       those revisions. If only one revision is specified then that revision is
@@ -407,5 +409,6 @@ Test handling of non-ASCII paths in gene
   (try "hg help" for a list of topics)
   [255]
 
-  $ LC_MESSAGES=ja_JP.UTF-8 hg --config hgext.extdiff= --config extdiff.cmd.td=$U help td | grep "^use"
-  use '\xa5\xa5' to diff repository (or selected files)
+  $ LC_MESSAGES=ja_JP.UTF-8 hg --config hgext.extdiff= --config extdiff.cmd.td=$U help td \
+  > | grep "^      '"
+        '\xa5\xa5'