fix typos.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5400 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/open-uri.rb

@@ -66,7 +66,7 @@ module Kernel
   # If the first argument respond to `open' method,
   # the method is called with the rest arguments.
   #
-  # If the first argument is a string and begins with xxx://, 
+  # If the first argument is a string which begins with xxx://, 
   # it is parsed by URI.parse.  If the parsed object respond to `open' method,
   # the method is called with the rest arguments.
   #
@@ -79,7 +79,7 @@ module Kernel
   def open(name, *rest, &block)
     if name.respond_to?(:open)
       name.open(*rest, &block)
-    elsif name.respond_to?("to_str") &&
+    elsif name.respond_to?(:to_str) &&
           %r{\A[A-Za-z][A-Za-z0-9+\-\.]*://} =~ name &&
           (uri = URI.parse(name)).respond_to?(:open)
       uri.open(*rest, &block)
@@ -250,7 +250,7 @@ module OpenURI
       end
     end
 
-    # returns an Array which consits status code and message.
+    # returns an Array which consists status code and message.
     attr_accessor :status
 
     # returns a URI which is base of relative URIs in the data.
@@ -449,14 +449,14 @@ module URI
     # But http_proxy and HTTP_PROXY is treated specially under CGI environment.
     # It's because HTTP_PROXY may be set by Proxy: header.
     # So HTTP_PROXY is not used.
-    # http_proxy is not used too if the variable is case insentitive.
+    # http_proxy is not used too if the variable is case insensitive.
     # CGI_HTTP_PROXY can be used instead.
     def find_proxy
       name = self.scheme.downcase + '_proxy'
       proxy_uri = nil
       if name == 'http_proxy' && ENV.include?('REQUEST_METHOD') # CGI?
         # HTTP_PROXY conflicts with *_proxy for proxy settings and
-        # HTTP_* for header informatin in CGI.
+        # HTTP_* for header information in CGI.
         # So it should be careful to use it.
         pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
         case pairs.length
@@ -465,12 +465,12 @@ module URI
         when 1
           k, v = pairs.shift
           if k == 'http_proxy' && ENV[k.upcase] == nil
-            # http_proxy is safe to use becase ENV is case sensitive.
+            # http_proxy is safe to use because ENV is case sensitive.
             proxy_uri = ENV[name]
           else
             proxy_uri = nil
           end
-        else # http_proxy is safe to use becase ENV is case sensitive.
+        else # http_proxy is safe to use because ENV is case sensitive.
           proxy_uri = ENV[name]
         end
         if !proxy_uri

lib/pp.rb

@@ -51,8 +51,8 @@ PP#pp to print the object.
     outputs ((|obj|)) to ((|out|)) in pretty printed format of
     ((|width|)) columns in width.
 
-    If ((|out|)) is ommitted, (({$>})) is assumed.
-    If ((|width|)) is ommitted, 79 is assumed.
+    If ((|out|)) is omitted, (({$>})) is assumed.
+    If ((|width|)) is omitted, 79 is assumed.
 
     PP.pp returns ((|out|)).
 
@@ -269,7 +269,7 @@ class PP < PrettyPrint
 
     def pretty_print_inspect
       if /\(PP::ObjectMixin\)#/ =~ method(:pretty_print).inspect
-        raise "pretty_print is not overriden."
+        raise "pretty_print is not overridden."
       end
       PP.singleline_pp(self, '')
     end

lib/prettyprint.rb

@@ -7,14 +7,14 @@ It finds line breaks and nice indentations for grouped structure.
 
 By default, the class assumes that primitive elements are strings and
 each byte in the strings have single column in width.
-But it can be used for other situasions
+But it can be used for other situations
 by giving suitable arguments for some methods:
 newline object and space generation block for (({PrettyPrint.new})),
 optional width argument for (({PrettyPrint#text})),
 (({PrettyPrint#breakable})), etc.
 There are several candidates to use them:
 text formatting using proportional fonts,
-multibyte characters which has columns diffrent to number of bytes,
+multibyte characters which has columns different to number of bytes,
 non-string formatting, etc.
 
 == class methods

lib/time.rb

@@ -13,7 +13,7 @@
 # 
 # === Specialized interface
 # 
-# This library provides methods dedicated to special puposes:
+# This library provides methods dedicated to special purposes:
 # * RFC 2822, RFC 2616 and XML Schema.
 # * They makes usual life easier.
 # 
@@ -353,7 +353,7 @@ class Time
   # If self is a UTC time, Z is used as TZD.  [+-]hh:mm is used otherwise.
   #
   # +fractional_seconds+ specifies a number of digits of fractional seconds.
-  # Its default value os 0.
+  # Its default value is 0.
   #
   def xmlschema(fraction_digits=0)
     sprintf('%d-%02d-%02dT%02d:%02d:%02d',