* instruby.rb, ext/extmk.rb, lib/benchmark.rb, lib/cgi.rb,

  lib/debug.rb, lib/getoptlong.rb, lib/optparse.rb, lib/time.rb,
  lib/date/format.rb, lib/irb/ruby-lex.rb lib/uri/common.rb: revert
  escape for `-' in character class.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

9 files changed, 35 insertions, 35 deletions

diff --git a/lib/benchmark.rb b/lib/benchmark.rb
index 97573d2a13..16c4cb611a 100644
--- a/lib/benchmark.rb
+++ b/lib/benchmark.rb
@@ -577,13 +577,13 @@ module Benchmark
 
     def format(arg0 = nil, *args)
       fmtstr = (arg0 || FMTSTR).dup
-      fmtstr.gsub!(/(%[\-+\.\d]*)n/){"#{$1}s" % label}
-      fmtstr.gsub!(/(%[\-+\.\d]*)u/){"#{$1}f" % utime}
-      fmtstr.gsub!(/(%[\-+\.\d]*)y/){"#{$1}f" % stime}
-      fmtstr.gsub!(/(%[\-+\.\d]*)U/){"#{$1}f" % cutime}
-      fmtstr.gsub!(/(%[\-+\.\d]*)Y/){"#{$1}f" % cstime}
-      fmtstr.gsub!(/(%[\-+\.\d]*)t/){"#{$1}f" % total}
-      fmtstr.gsub!(/(%[\-+\.\d]*)r/){"(#{$1}f)" % real}
+      fmtstr.gsub!(/(%[-+\.\d]*)n/){"#{$1}s" % label}
+      fmtstr.gsub!(/(%[-+\.\d]*)u/){"#{$1}f" % utime}
+      fmtstr.gsub!(/(%[-+\.\d]*)y/){"#{$1}f" % stime}
+      fmtstr.gsub!(/(%[-+\.\d]*)U/){"#{$1}f" % cutime}
+      fmtstr.gsub!(/(%[-+\.\d]*)Y/){"#{$1}f" % cstime}
+      fmtstr.gsub!(/(%[-+\.\d]*)t/){"#{$1}f" % total}
+      fmtstr.gsub!(/(%[-+\.\d]*)r/){"(#{$1}f)" % real}
       arg0 ? Kernel::format(fmtstr, *args) : fmtstr
     end
 
diff --git a/lib/cgi.rb b/lib/cgi.rb
index de40b17e44..2e18bfd20d 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -236,7 +236,7 @@ class CGI
   url_encoded_string = CGI::escape("string")
 =end
   def CGI::escape(string)
-    string.gsub(/([^ a-zA-Z0-9_.\-]+)/n) do
+    string.gsub(/([^ a-zA-Z0-9_.-]+)/n) do
       '%' + $1.unpack('H2' * $1.size).join('%').upcase
     end.tr(' ', '+')
   end
diff --git a/lib/date/format.rb b/lib/date/format.rb
index 2d5de09220..10283988fc 100644
--- a/lib/date/format.rb
+++ b/lib/date/format.rb
@@ -80,7 +80,7 @@ class Date
       when '%F'
 	return unless __strptime(str, '%Y-%m-%d', elem)
       when '%G'
-	return unless str.sub!(/\A([\-+]?\d+)/o, '')
+	return unless str.sub!(/\A([-+]?\d+)/o, '')
 	val = $1.to_i
 	elem[:cwyear] = val
       when '%g'
@@ -163,7 +163,7 @@ class Date
       when '%x'
 	return unless __strptime(str, '%m/%d/%y', elem)
       when '%Y'
-	return unless str.sub!(/\A([\-+]?\d+)/o, '')
+	return unless str.sub!(/\A([-+]?\d+)/o, '')
 	val = $1.to_i
 	elem[:year] = val
       when '%y'
@@ -173,7 +173,7 @@ class Date
 	elem[:year] = val
 	elem[:cent] ||= if val >= 69 then 19 else 20 end
       when '%Z', '%z'
-	return unless str.sub!(/\A([a-z0-9:+\-]+(?:\s+dst\b)?)/io, '')
+	return unless str.sub!(/\A([a-z0-9:+-]+(?:\s+dst\b)?)/io, '')
 	val = $1
 	elem[:zone] = val
 	offset = zone_to_diff(val)
@@ -227,7 +227,7 @@ class Date
   def self._parse(str, comp=false)
     str = str.dup
 
-    str.gsub!(/[^\-+.\/:0-9a-z]+/ino, ' ')
+    str.gsub!(/[^.\/:0-9a-z+-]+/ino, ' ')
 
     # day
     if str.sub!(/(#{PARSE_DAYPAT})\S*/ino, ' ')
@@ -246,7 +246,7 @@ class Date
 		   (
 		     [a-z]+(?:\s+dst)?\b
 		   |
-		     [\-+]\d+(?::?\d+)
+		     [-+]\d+(?::?\d+)
 		   )
 		 )?
 		/inox,
@@ -308,7 +308,7 @@ class Date
       end
 
     # iso
-    elsif str.sub!(/([\-+]?\d+)-(\d+)-(-?\d+)/no, ' ')
+    elsif str.sub!(/([-+]?\d+)-(\d+)-(-?\d+)/no, ' ')
       year = $1.to_i
       mon = $2.to_i
       mday = $3.to_i
@@ -332,7 +332,7 @@ class Date
       mday = $4.to_i
 
     # vms
-    elsif str.sub!(/(-?\d+)-(#{PARSE_MONTHPAT})[^\-]*-(-?\d+)/ino, ' ')
+    elsif str.sub!(/(-?\d+)-(#{PARSE_MONTHPAT})[^-]*-(-?\d+)/ino, ' ')
       mday = $1.to_i
       mon = ABBR_MONTHS[$2.downcase]
       year = $3.to_i
@@ -363,7 +363,7 @@ class Date
 
     # ddd
     elsif str.sub!(
-		   /([\-+]?)(\d{4,14})
+		   /([-+]?)(\d{4,14})
 		    (?:
 		      \s*
 		      T?
@@ -375,7 +375,7 @@ class Date
 		      (
 			Z
 		      |
-			[\-+]\d{2,4}
+			[-+]\d{2,4}
 		      )
 		      \b
 		    )?
@@ -444,7 +444,7 @@ class Date
     if ZONES.include?(abb)
       offset  = ZONES[abb]
       offset += 3600 if dst
-    elsif /\A([+\-])(\d{2}):?(\d{2})?\Z/no =~ str
+    elsif /\A([+-])(\d{2}):?(\d{2})?\Z/no =~ str
       offset = $2.to_i * 3600 + $3.to_i * 60
       offset *= -1 if $1 == '-'
     end
diff --git a/lib/debug.rb b/lib/debug.rb
index 9d49fafac7..8f2999a3ab 100644
--- a/lib/debug.rb
+++ b/lib/debug.rb
@@ -425,7 +425,7 @@ class Context
 	    b = previous_line ? previous_line - 10 : binding_line - 5
 	    e = b + 9
 	  else
-	    b, e = $1.split(/[\-,]/)
+	    b, e = $1.split(/[-,]/)
 	    if e
 	      b = b.to_i
 	      e = e.to_i
diff --git a/lib/getoptlong.rb b/lib/getoptlong.rb
index 53badc43f3..9c8ed09db9 100644
--- a/lib/getoptlong.rb
+++ b/lib/getoptlong.rb
@@ -180,7 +180,7 @@ class GetoptLong
 	#
 	next if i == argument_flag
 	begin
-	  if !i.is_a?(String) || i !~ /^-([^\-]|-.+)$/
+	  if !i.is_a?(String) || i !~ /^-([^-]|-.+)$/
 	    raise ArgumentError, "an invalid option `#{i}'"
 	  end
 	  if (@canonical_names.include?(i))
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index 80d392a492..26b0b3b7c2 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -948,7 +948,7 @@ class RubyLex
 	allow_point = false
       when allow_e && "e", allow_e && "E"
 	type = TkFLOAT
-	if peek(0) =~ /[+\-]/
+	if peek(0) =~ /[+-]/
 	  getc
 	end
 	allow_e = false
diff --git a/lib/optparse.rb b/lib/optparse.rb
index fcd6a881c5..dfda6b2595 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -1346,14 +1346,14 @@ Default options, which never appear in option summary.
   hex = 'x[\da-f]+(?:_[\da-f]+)*'
   octal = "0(?:[0-7]*(?:_[0-7]+)*|#{binary}|#{hex})"
   integer = "#{octal}|#{decimal}"
-  accept(Integer, %r"\A[\-+]?(?:#{integer})"io) {|s| Integer(s) if s}
+  accept(Integer, %r"\A[-+]?(?:#{integer})"io) {|s| Integer(s) if s}
 
 =begin
 : Float
   Float number format, and converts to (({Float})).
 =end #'#"#`#
-  float = "(?:#{decimal}(?:\\.(?:#{decimal})?)?|\\.#{decimal})(?:E[\\-+]?#{decimal})?"
-  floatpat = %r"\A[\-+]?#{float}"io
+  float = "(?:#{decimal}(?:\\.(?:#{decimal})?)?|\\.#{decimal})(?:E[-+]?#{decimal})?"
+  floatpat = %r"\A[-+]?#{float}"io
   accept(Float, floatpat) {|s| s.to_f if s}
 
 =begin
@@ -1361,13 +1361,13 @@ Default options, which never appear in option summary.
   Generic numeric format, and converts to (({Integer})) for integer
   format, (({Float})) for float format.
 =end #'#"#`#
-  accept(Numeric, %r"\A[\-+]?(?:#{octal}|#{float})"io) {|s| eval(s) if s}
+  accept(Numeric, %r"\A[-+]?(?:#{octal}|#{float})"io) {|s| eval(s) if s}
 
 =begin
 : OptionParser::DecimalInteger
   Decimal integer format, to be converted to (({Integer})).
 =end #'#"#`#
-  DecimalInteger = /\A[\-+]?#{decimal}/io
+  DecimalInteger = /\A[-+]?#{decimal}/io
   accept(DecimalInteger) {|s| s.to_i if s}
 
 =begin
@@ -1375,7 +1375,7 @@ Default options, which never appear in option summary.
   Ruby/C like octal/hexadecimal/binary integer format, to be converted
   to (({Integer})).
 =end #'#"#`#
-  OctalInteger = /\A[\-+]?(?:[0-7]+(?:_[0-7]+)*|0(?:#{binary}|#{hex}))/io
+  OctalInteger = /\A[-+]?(?:[0-7]+(?:_[0-7]+)*|0(?:#{binary}|#{hex}))/io
   accept(OctalInteger) {|s| s.oct if s}
 
 =begin
diff --git a/lib/time.rb b/lib/time.rb
index 4c9d8a526e..043257a4d1 100644
--- a/lib/time.rb
+++ b/lib/time.rb
@@ -69,9 +69,9 @@ class Time
     def zone_offset(zone, year=Time.now.year)
       off = nil
       zone = zone.upcase
-      if /\A([\-+])(\d\d):?(\d\d)\z/ =~ zone
+      if /\A([+-])(\d\d):?(\d\d)\z/ =~ zone
         off = ($1 == '-' ? -1 : 1) * ($2.to_i * 60 + $3.to_i) * 60
-      elsif /\A[\-+]\d\d\z/ =~ zone
+      elsif /\A[+-]\d\d\z/ =~ zone
         off = zone.to_i * 3600
       elsif ZoneOffset.include?(zone)
         off = ZoneOffset[zone] * 3600
@@ -191,7 +191,7 @@ class Time
           (\d{2})\s*
           :\s*(\d{2})\s*
           (?::\s*(\d{2}))?\s+
-          ([+\-]\d{4}|
+          ([+-]\d{4}|
            UT|GMT|EST|EDT|CST|CDT|MST|MDT|PST|PDT|[A-IK-Z])/ix =~ date
         # Since RFC 2822 permit comments, the regexp has no right anchor.
         day = $1.to_i
@@ -277,7 +277,7 @@ class Time
           T
           (\d\d):(\d\d):(\d\d)
           (\.\d*)?
-          (Z|[+\-]\d\d:\d\d)?
+          (Z|[+-]\d\d:\d\d)?
           \s*\z/ix =~ date
 	datetime = [$1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i] 
 	datetime << $7.to_f * 1000000 if $7
diff --git a/lib/uri/common.rb b/lib/uri/common.rb
index e9b7ce9b0a..5d6a3b5519 100644
--- a/lib/uri/common.rb
+++ b/lib/uri/common.rb
@@ -31,7 +31,7 @@ module URI
       # mark          = "-" | "_" | "." | "!" | "~" | "*" | "'" |
       #                 "(" | ")"
       # unreserved    = alphanum | mark
-      UNRESERVED = "\\-_.!~*'()#{ALNUM}"
+      UNRESERVED = "-_.!~*'()#{ALNUM}"
       # reserved      = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
       #                 "$" | ","
       # reserved      = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | 
@@ -49,9 +49,9 @@ module URI
       FRAGMENT = "#{URIC}*"
 
       # domainlabel   = alphanum | alphanum *( alphanum | "-" ) alphanum
-      DOMLABEL = "(?:[#{ALNUM}](?:[\\-#{ALNUM}]*[#{ALNUM}])?)"
+      DOMLABEL = "(?:[#{ALNUM}](?:[-#{ALNUM}]*[#{ALNUM}])?)"
       # toplabel      = alpha | alpha *( alphanum | "-" ) alphanum
-      TOPLABEL = "(?:[#{ALPHA}](?:[\\-#{ALNUM}]*[#{ALNUM}])?)"
+      TOPLABEL = "(?:[#{ALPHA}](?:[-#{ALNUM}]*[#{ALNUM}])?)"
       # hostname      = *( domainlabel "." ) toplabel [ "." ]
       HOSTNAME = "(?:#{DOMLABEL}\\.)*#{TOPLABEL}\\.?"
 
@@ -119,7 +119,7 @@ module URI
       REL_SEGMENT = "(?:[#{UNRESERVED};@&=+$,]|#{ESCAPED})+"
 
       # scheme        = alpha *( alpha | digit | "+" | "-" | "." )
-      SCHEME = "[#{ALPHA}][\\-+.#{ALPHA}\\d]*"
+      SCHEME = "[#{ALPHA}][-+.#{ALPHA}\\d]*"
 
       # abs_path      = "/"  path_segments
       ABS_PATH = "/#{PATH_SEGMENTS}"