FEATURES=config-protect-if-modified by default.

The plan is to send out a GLEP 42 news item for this before it goes to
stable, as discussed here:

http://archives.gentoo.org/gentoo-dev/msg_7fe557809defad4faca2ee5c6e52d134.xml
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 64dff1c..8a35bd0 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -20,6 +20,12 @@
   /var/lib/portage/world, has been extended to include nested sets that may
   be listed /var/lib/portage/world_sets.
 
+portage-2.1.10.61
+==================================
+* FEATURES=config-protect-if-modified is now enabled by default. This causes
+  the CONFIG_PROTECT behavior to be skipped for files that have not been
+  modified since they were installed.
+
 portage-2.1.10.27
 ==================================
 * FEATURES=fixpackages is now enabled unconditionally. Set --package-moves=n
diff --git a/cnf/make.globals b/cnf/make.globals
index 1717baf..b156988 100644
--- a/cnf/make.globals
+++ b/cnf/make.globals
@@ -51,7 +51,8 @@
 FETCHCOMMAND_SFTP="bash -c \"x=\\\${2#sftp://} ; host=\\\${x%%/*} ; port=\\\${host##*:} ; host=\\\${host%:*} ; [[ \\\${host} = \\\${port} ]] && port=22 ; exec sftp -P \\\${port} \\\"\\\${host}:/\\\${x#*/}\\\" \\\"\\\$1\\\"\" sftp \"\${DISTDIR}/\${FILE}\" \"\${URI}\""
 
 # Default user options
-FEATURES="assume-digests binpkg-logs distlocks ebuild-locks
+FEATURES="assume-digests binpkg-logs
+          config-protect-if-modified distlocks ebuild-locks
           fixlafiles news parallel-fetch parse-eapi-ebuild-head protect-owned
           sandbox sfperms strict unknown-features-warn unmerge-logs
           unmerge-orphans userfetch"
diff --git a/man/make.conf.5 b/man/make.conf.5
index 9897073..a90e51d 100644
--- a/man/make.conf.5
+++ b/man/make.conf.5
@@ -1,4 +1,4 @@
-.TH "MAKE.CONF" "5" "Dec 2011" "Portage VERSION" "Portage"
+.TH "MAKE.CONF" "5" "May 2012" "Portage VERSION" "Portage"
 .SH "NAME"
 make.conf \- custom settings for Portage
 .SH "SYNOPSIS"
@@ -270,7 +270,8 @@
 .TP
 .B config\-protect\-if\-modified
 This causes the \fBCONFIG_PROTECT\fR behavior to be skipped for files
-that have not been modified since they were installed.
+that have not been modified since they were installed. This feature is
+enabled by default.
 .TP
 .B digest
 Autogenerate digests for packages when running the