diff --git a/ChangeLog b/ChangeLog
index 56743553fe..19712d4c38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Nov 27 17:21:30 2004  Kouhei Sutou  <kou@cozmixng.org>
+
+	* sample/rss/list_description.rb: untabified.
+	
+	* sample/rss/rss_recent.rb: ditto.
+
 Sat Nov 27 09:41:21 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* io.c (io_fread): [ruby-dev:24964]
diff --git a/sample/rss/list_description.rb b/sample/rss/list_description.rb
index e0b59ea659..ac1db099ca 100644
--- a/sample/rss/list_description.rb
+++ b/sample/rss/list_description.rb
@@ -2,12 +2,12 @@
 
 require "nkf"
 class String
-	# From tdiary.rb
-	def shorten( len = 120 )
-		lines = NKF::nkf( "-e -m0 -f#{len}", self.gsub( /\n/, ' ' ) ).split( /\n/ )
-		lines[0].concat( '...' ) if lines[0] and lines[1]
-		lines[0]
-	end
+  # From tdiary.rb
+  def shorten( len = 120 )
+    lines = NKF::nkf( "-e -m0 -f#{len}", self.gsub( /\n/, ' ' ) ).split( /\n/ )
+    lines[0].concat( '...' ) if lines[0] and lines[1]
+    lines[0]
+  end
 end
 
 require "rss/1.0"
@@ -18,66 +18,66 @@ channels = {}
 verbose = false
 
 def error(exception)
-	mark = "=" * 20
-	mark = "#{mark} error #{mark}"
-	puts mark
-	puts exception.class
-	puts exception.message
-	puts exception.backtrace
-	puts mark
+  mark = "=" * 20
+  mark = "#{mark} error #{mark}"
+  puts mark
+  puts exception.class
+  puts exception.message
+  puts exception.backtrace
+  puts mark
 end
 
 before_time = Time.now
 ARGV.each do |fname|
-	if fname == '-v'
-		verbose = true
-		next
-	end
-	rss = nil
-	f = File.new(fname).read
-	begin
-		## do validate parse
-		rss = RSS::Parser.parse(f)
-	rescue RSS::InvalidRSSError
-		error($!) if verbose
-		## do non validate parse for invalid RSS 1.0
-		begin
-			rss = RSS::Parser.parse(f, false)
-		rescue RSS::Error
-			## invalid RSS.
-			error($!) if verbose
-		end
-	rescue RSS::Error
-		error($!) if verbose
-	end
-	if rss.nil?
-		puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
-	else
-		begin
-			rss.output_encoding = "euc-jp"
-		rescue RSS::UnknownConversionMethodError
-			error($!) if verbose
-		end
-		rss.channel.title ||= "Unknown"
-		rss.items.each do |item|
-			item.title ||= "Unknown"
-			channels[rss.channel.title] ||= []
-			channels[rss.channel.title] << item if item.description
-		end
-	end
+  if fname == '-v'
+    verbose = true
+    next
+  end
+  rss = nil
+  f = File.new(fname).read
+  begin
+    ## do validate parse
+    rss = RSS::Parser.parse(f)
+  rescue RSS::InvalidRSSError
+    error($!) if verbose
+    ## do non validate parse for invalid RSS 1.0
+    begin
+      rss = RSS::Parser.parse(f, false)
+    rescue RSS::Error
+      ## invalid RSS.
+      error($!) if verbose
+    end
+  rescue RSS::Error
+    error($!) if verbose
+  end
+  if rss.nil?
+    puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
+  else
+    begin
+      rss.output_encoding = "euc-jp"
+    rescue RSS::UnknownConversionMethodError
+      error($!) if verbose
+    end
+    rss.channel.title ||= "Unknown"
+    rss.items.each do |item|
+      item.title ||= "Unknown"
+      channels[rss.channel.title] ||= []
+      channels[rss.channel.title] << item if item.description
+    end
+  end
 end
 processing_time = Time.now - before_time
 
 channels.sort do |x, y|
-	x[0] <=> y[0]
+  x[0] <=> y[0]
 end[0..20].each do |title, items|
-	puts "Channel: #{title}" unless items.empty?
-	items.sort do |x, y|
-		x.title <=> y.title
-	end[0..10].each do |item|
-		puts "  Item: #{item.title.shorten(50)}"
-		puts "    Description: #{item.description.shorten(50)}"
-	end
+  puts "Channel: #{title}" unless items.empty?
+  items.sort do |x, y|
+    x.title <=> y.title
+  end[0..10].each do |item|
+    puts "  Item: #{item.title.shorten(50)}"
+    puts "    Description: #{item.description.shorten(50)}"
+  end
 end
 
 puts "Used XML parser: #{RSS::Parser.default_parser}"
diff --git a/sample/rss/rss_recent.rb b/sample/rss/rss_recent.rb
index 8e40151e1c..70776c1e8a 100644
--- a/sample/rss/rss_recent.rb
+++ b/sample/rss/rss_recent.rb
@@ -2,12 +2,12 @@
 
 require "nkf"
 class String
-	# From tdiary.rb
-	def shorten( len = 120 )
-		lines = NKF::nkf( "-e -m0 -f#{len}", self.gsub( /\n/, ' ' ) ).split( /\n/ )
-		lines[0].concat( '...' ) if lines[0] and lines[1]
-		lines[0]
-	end
+  # From tdiary.rb
+  def shorten( len = 120 )
+    lines = NKF::nkf( "-e -m0 -f#{len}", self.gsub( /\n/, ' ' ) ).split( /\n/ )
+    lines[0].concat( '...' ) if lines[0] and lines[1]
+    lines[0]
+  end
 end
 
 require "rss/1.0"
@@ -18,65 +18,65 @@ items = []
 verbose = false
 
 def error(exception)
-	mark = "=" * 20
-	mark = "#{mark} error #{mark}"
-	puts mark
-	puts exception.class
-	puts exception.message
-	puts exception.backtrace
-	puts mark
+  mark = "=" * 20
+  mark = "#{mark} error #{mark}"
+  puts mark
+  puts exception.class
+  puts exception.message
+  puts exception.backtrace
+  puts mark
 end
 before_time = Time.now
 ARGV.each do |fname|
-	if fname == '-v'
-		verbose = true
-		next
-	end
-	rss = nil
-	f = File.new(fname).read
-	begin
-		## do validate parse
-		rss = RSS::Parser.parse(f)
-	rescue RSS::InvalidRSSError
-		error($!) if verbose
-		## do non validate parse for invalid RSS 1.0
-		begin
-			rss = RSS::Parser.parse(f, false)
-		rescue RSS::Error
-			## invalid RSS.
-			error($!) if verbose
-		end
-	rescue RSS::Error
-		error($!) if verbose
-	end
-	if rss.nil?
-		puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
-	else
-		begin
-			rss.output_encoding = "euc-jp"
-		rescue RSS::UnknownConversionMethodError
-			error($!) if verbose
-		end
-		rss.items.each do |item|
-			if item.respond_to?(:pubDate) and item.pubDate
-				class << item
-					alias_method(:dc_date, :pubDate)
-				end
-			end
-			if item.respond_to?(:dc_date) and item.dc_date
-				items << [rss.channel, item]
-			end
-		end
-	end
+  if fname == '-v'
+    verbose = true
+    next
+  end
+  rss = nil
+  f = File.new(fname).read
+  begin
+    ## do validate parse
+    rss = RSS::Parser.parse(f)
+  rescue RSS::InvalidRSSError
+    error($!) if verbose
+    ## do non validate parse for invalid RSS 1.0
+    begin
+      rss = RSS::Parser.parse(f, false)
+    rescue RSS::Error
+      ## invalid RSS.
+      error($!) if verbose
+    end
+  rescue RSS::Error
+    error($!) if verbose
+  end
+  if rss.nil?
+    puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
+  else
+    begin
+      rss.output_encoding = "euc-jp"
+    rescue RSS::UnknownConversionMethodError
+      error($!) if verbose
+    end
+    rss.items.each do |item|
+      if item.respond_to?(:pubDate) and item.pubDate
+        class << item
+          alias_method(:dc_date, :pubDate)
+        end
+      end
+      if item.respond_to?(:dc_date) and item.dc_date
+        items << [rss.channel, item]
+      end
+    end
+  end
 end
 processing_time = Time.now - before_time
 
 items.sort do |x, y|
-	y[1].dc_date <=> x[1].dc_date
+  y[1].dc_date <=> x[1].dc_date
 end[0..20].each do |channel, item|
-	puts "#{item.dc_date.localtime.iso8601}: " <<
-		"#{channel.title}: #{item.title}"
-	puts " Description: #{item.description.shorten(50)}" if item.description
+  puts "#{item.dc_date.localtime.iso8601}: " <<
+    "#{channel.title}: #{item.title}"
+  puts " Description: #{item.description.shorten(50)}" if item.description
 end
 
 puts "Used XML parser: #{RSS::Parser.default_parser}"