[PATCH 6 of 7] help: use 'churn' instead of 'color' as an example extension

[Pierre-Yves David]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
# Date 1487714018 -3600
#      Tue Feb 21 22:53:38 2017 +0100
# Node ID 9fffdf9b71de54fba36d3efd581aa660ab8076d1
# Parent  63ff941fd53a11b8e295db36f3787f60ef0c9ceb
# EXP-Topic color
help: use 'churn' instead of 'color' as an example extension

The 'color' extensions is now deprecated.

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -728,8 +728,8 @@ or ``foo = !`` when path is not supplied
 Example for ``~/.hgrc``::
 
   [extensions]
-  # (the color extension will get loaded from Mercurial's path)
-  color =
+  # (the churn extension will get loaded from Mercurial's path)
+  churn =
   # (this extension will get loaded from the file specified)
   myfeature = ~/.hgext/myfeature.py