stdlib: avoid extra calls to eliminate "\n" from Base64

We may use the '0' (zero) to avoid adding the line feed.
Furthermore, the '*' (asterisk) modifier is not needed for
a single-element arrays.

* ext/psych/lib/psych/visitors/yaml_tree.rb (visit_String):
  eliminate chomp
* lib/net/http.rb (connect): eliminate delete
* lib/net/http/header.rb (basic_encode): ditto
* lib/net/imap.rb (authenticate): eliminate gsub
  (self.encode_utf7): shorten delete arg
* lib/net/smtp.rb (base64_encode): eliminate gsub
* lib/open-uri.rb (OpenURI.open_http): eliminate delete
* lib/rss/rss.rb: ditto
* lib/securerandom.rb (base64): ditto
  (urlsafe_base64): eliminate delete!
* lib/webrick/httpauth/digestauth.rb (split_param_value):
  eliminate chop
* lib/webrick/httpproxy.rb (do_CONNECT): eliminate delete
  (setup_upstream_proxy_authentication): ditto
  [ruby-core:72666] [Feature #11938]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/rss/rss.rb b/lib/rss/rss.rb
index 1bb0f6e826..5b9c5d4745 100644
--- a/lib/rss/rss.rb
+++ b/lib/rss/rss.rb
@@ -1241,7 +1241,7 @@ EOC
         __send__(self.class.xml_getter).to_s
       else
         _content = content
-        _content = [_content].pack("m").delete("\n") if need_base64_encode?
+        _content = [_content].pack("m0") if need_base64_encode?
         h(_content)
       end
     end