* ext/json/lib/json/pure/generator.rb,

ext/json/lib/json/pure/parser.rb, ext/openssl/lib/openssl/x509.rb,
ext/win32ole/sample/olegen.rb, lib/date/format.rb, lib/irb/context.rb,
lib/irb/workspace.rb, lib/net/http.rb, lib/net/imap.rb,
lib/rdoc/generator.rb, lib/rdoc/markup/to_html.rb,
lib/rdoc/markup/to_latex.rb, lib/rdoc/parsers/parse_c.rb,
lib/rdoc/ri/formatter.rb, lib/rexml/parsers/baseparser.rb,
lib/rexml/quickpath.rb, lib/rexml/text.rb, lib/rss/parser.rb,
lib/uri/common.rb, lib/uri/generic.rb, lib/webrick/httpresponse.rb,
lib/webrick/httpservlet/filehandler.rb, lib/yaml/baseemitter.rb,
lib/yaml/encoding.rb: performance tuning arround String#gsub.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15442 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/net/http.rb b/lib/net/http.rb
index 06b176b3c6..d3e3d9f2f5 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -1521,7 +1521,7 @@ module Net   #:nodoc:
     private :encode_kvpair
 
     def urlencode(str)
-      str.gsub(/[^a-zA-Z0-9_\.\-]/n) {|s| sprintf('%%%02x', s[0]) }
+      str.gsub(/[^a-zA-Z0-9_\.\-]/n) { sprintf('%%%02x', $&[0]) }
     end
     private :urlencode
 
diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 394f0d9890..016f567b07 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -857,11 +857,11 @@ module Net
 
     # Encode a string from UTF-8 format to modified UTF-7.
     def self.encode_utf7(s)
-      return s.gsub(/(&)|([^\x20-\x25\x27-\x7e]+)/u) { |x|
+      return s.gsub(/(&)|([^\x20-\x25\x27-\x7e]+)/u) {
         if $1
           "&-"
         else
-          base64 = [x.unpack("U*").pack("n*")].pack("m")
+          base64 = [$&.unpack("U*").pack("n*")].pack("m")
           "&" + base64.delete("=\n").tr("/", ",") + "-"
         end
       }.force_encoding("ASCII-8BIT")