[PATCH 3 of 7] children: use double quotes for arguments

[timeless]

# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1452100698 0
#      Wed Jan 06 17:18:18 2016 +0000
# Node ID bee355d6b59e67700f12e502258f68b1ef5eb39e
# Parent  cf285e97cf6b01f7c73d4bd1f6188d3ec8928198
children: use double quotes for arguments

diff --git a/hgext/children.py b/hgext/children.py
--- a/hgext/children.py
+++ b/hgext/children.py
@@ -49,8 +49,8 @@
 
     Please use :hg:`log` instead::
 
-        hg children => hg log -r 'children()'
-        hg children -r REV => hg log -r 'children(REV)'
+        hg children => hg log -r "children()"
+        hg children -r REV => hg log -r "children(REV)"
 
     See :hg:`help log` and :hg:`help revsets.children`.