3 files changed, 8 insertions, 0 deletions
diff --git a/lib/rubygems/compatibility.rb b/lib/rubygems/compatibility.rb
index 1137407bc5..e053a99ca3 100644
--- a/lib/rubygems/compatibility.rb
+++ b/lib/rubygems/compatibility.rb
@@ -1,3 +1,5 @@
+# :stopdoc:
+
 # This file contains all sorts of little compatibility hacks that we've
 # had to introduce over the years. Quarantining them into one file helps
 # us know when we can get rid of them.
diff --git a/lib/rubygems/config_file.rb b/lib/rubygems/config_file.rb
index 61ee3b73eb..81ee32a1d6 100644
--- a/lib/rubygems/config_file.rb
+++ b/lib/rubygems/config_file.rb
@@ -50,6 +50,8 @@ class Gem::ConfigFile
 
   PLATFORM_DEFAULTS = {}
 
+  # :stopdoc:
+
   system_config_path =
     begin
       require "etc"
@@ -77,6 +79,8 @@ class Gem::ConfigFile
       end
     end
 
+  # :startdoc:
+
   SYSTEM_WIDE_CONFIG_FILE = File.join system_config_path, 'gemrc'
 
   ##
diff --git a/lib/rubygems/test_case.rb b/lib/rubygems/test_case.rb
index 9776fb55b9..47fb9d4962 100644
--- a/lib/rubygems/test_case.rb
+++ b/lib/rubygems/test_case.rb
@@ -133,6 +133,8 @@ class Gem::TestCase < MiniTest::Unit::TestCase
     # This makes the tempdir consistent on OS X.
     # File.expand_path Dir.tmpdir                      #=> "/var/..."
     # Dir.chdir Dir.tmpdir do File.expand_path '.' end #=> "/private/var/..."
+    # TODO use File#realpath above instead of #expand_path once 1.8 support is
+    # dropped.
     Dir.chdir @tempdir do
       @tempdir = File.expand_path '.'
       @tempdir.untaint