From 0ebac90b0ebb07ad2aa99080c8509559a7ddc74d Mon Sep 17 00:00:00 2001
From: kou <kou@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 16 Oct 2004 04:39:58 +0000
Subject: * lib/rss: supported prety print. * test/rss/test_1.0.rb: added test
 for calculating default indent size.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog            |   5 ++
 lib/rss/0.9.rb       | 139 +++++++++++++++++++++++++++------------------------
 lib/rss/1.0.rb       | 126 ++++++++++++++++++++++++----------------------
 lib/rss/2.0.rb       |  20 ++++----
 lib/rss/parser.rb    |   4 +-
 lib/rss/rss.rb       |  35 ++++++++++---
 lib/rss/trackback.rb |  22 +++++---
 test/rss/test_1.0.rb |  13 ++++-
 8 files changed, 210 insertions(+), 154 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6d4714a710..1b55edaac5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Oct 16 13:34:56 2004  Kouhei Sutou  <kou@cozmixng.org>
+
+	* lib/rss: supported prety print.
+	* test/rss/test_1.0.rb: added test for calculating default indent size.
+
 Sat Oct 16 10:56:36 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/mkmf.rb (create_makefile): install-rb is needed for statically
diff --git a/lib/rss/0.9.rb b/lib/rss/0.9.rb
index c95c47e974..8486c4fc1f 100644
--- a/lib/rss/0.9.rb
+++ b/lib/rss/0.9.rb
@@ -51,16 +51,18 @@ module RSS
 			end
 		end
 
-		def to_s(convert=true)
+		def to_s(convert=true, indent=calc_indent)
+			next_indent = indent + INDENT
 			rv = <<-EOR
 #{xmldecl}
-#{xml_stylesheet_pi}<rss version="#{@rss_version}"#{ns_declaration}>
-#{channel_element(false)}
-#{other_element(false, "\t")}
-</rss>
+#{xml_stylesheet_pi}
+#{indent}<rss version="#{@rss_version}"#{ns_declaration(next_indent)}>
+#{channel_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{inent}}</rss>
 EOR
-      rv = @converter.convert(rv) if convert and @converter
-      rv
+			rv = @converter.convert(rv) if convert and @converter
+			remove_empty_newline(rv)
 		end
 
 		private
@@ -135,30 +137,31 @@ EOR
 				super()
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				rv = <<-EOT
-	<channel>
-		#{title_element(false)}
-		#{link_element(false)}
-		#{description_element(false)}
-		#{language_element(false)}
-		#{copyright_element(false)}
-		#{managingEditor_element(false)}
-		#{webMaster_element(false)}
-		#{rating_element(false)}
-		#{pubDate_element(false)}
-		#{lastBuildDate_element(false)}
-		#{docs_element(false)}
-		#{skipDays_element(false)}
-		#{skipHours_element(false)}
-		#{image_element(false)}
-#{item_elements(false)}
-		#{textInput_element(false)}
-#{other_element(false, "\t\t")}
-	</channel>
+#{indent}<channel>
+#{title_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{language_element(false, next_indent)}
+#{copyright_element(false, next_indent)}
+#{managingEditor_element(false, next_indent)}
+#{webMaster_element(false, next_indent)}
+#{rating_element(false, next_indent)}
+#{pubDate_element(false, next_indent)}
+#{lastBuildDate_element(false, next_indent)}
+#{docs_element(false, next_indent)}
+#{skipDays_element(false, next_indent)}
+#{skipHours_element(false, next_indent)}
+#{image_element(false, next_indent)}
+#{item_elements(false, next_indent)}
+#{textInput_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</channel>
 EOT
 	      rv = @converter.convert(rv) if convert and @converter
-  	    rv
+				rv
 			end
 
 	    private
@@ -208,17 +211,18 @@ EOT
 					install_model(x, "?")
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
+					next_indent = indent + INDENT
 					rv = <<-EOT
-			<image>
-				#{url_element(false)}
-				#{title_element(false)}
-				#{link_element(false)}
-				#{width_element(false)}
-				#{height_element(false)}
-				#{description_element(false)}
-#{other_element(false, "\t\t\t\t")}
-			</image>
+#{indent}<image>
+#{url_element(false, next_indent)}
+#{title_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{width_element(false, next_indent)}
+#{height_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</image>
 EOT
 	     		rv = @converter.convert(rv) if convert and @converter
 	  	    rv
@@ -257,14 +261,15 @@ EOT
 					@protocol = protocol
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
+					next_indent = indent + INDENT
 					rv = <<-EOT
-			<cloud
-				domain="#{h @domain}"
-				port="#{h @port}"
-				path="#{h @path}"
-				registerProcedure="#{h @registerProcedure}"
-				protocol="#{h @protocol}"/>
+#{indent}<cloud
+#{next_indent}domain="#{h @domain}"
+#{next_indent}port="#{h @port}"
+#{next_indent}path="#{h @path}"
+#{next_indent}registerProcedure="#{h @registerProcedure}"
+#{next_indent}protocol="#{h @protocol}"/>
 EOT
 	     		rv = @converter.convert(rv) if convert and @converter
 	  	    rv
@@ -302,17 +307,18 @@ EOT
 					install_model(tag, occurs)
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
+          next_indent = indent + INDENT
 					rv = <<-EOT
-			<item>
-				#{title_element(false)}
-				#{link_element(false)}
-				#{description_element(false)}
-				#{category_element(false)}
-				#{source_element(false)}
-				#{enclosure_element(false)}
-#{other_element(false, "\t\t\t\t")}
-			</item>
+#{indent}<item>
+#{title_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{category_element(false, next_indent)}
+#{source_element(false, next_indent)}
+#{enclosure_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</item>
 EOT
 	     		rv = @converter.convert(rv) if convert and @converter
 	  	    rv
@@ -350,7 +356,7 @@ EOT
 						@content = content
 					end
 
-					def to_s(convert=true)
+					def to_s(convert=true, indent=calc_indent)
 						if @url
 							rv = %Q!				<source url="#{@url}">!
 							rv << %Q!#{@content}</source>!
@@ -393,7 +399,7 @@ EOT
 						@type = type
 					end
 
-					def to_s(convert=true)
+					def to_s(convert=true, indent=calc_indent)
 						if @url and @length and @type
 							rv = %Q!<enclosure url="#{h @url}" !
 							rv << %Q!length="#{h @length}" type="#{h @type}"/>!
@@ -433,7 +439,7 @@ EOT
 						@content = content
 					end
 
-					def to_s(convert=true)
+					def to_s(convert=true, indent=calc_indent)
 						if @domain
 							rv = %Q!<category domain="#{h @domain}">!
 							rv << %Q!#{h @content}</category>!
@@ -464,15 +470,16 @@ EOT
 					install_model(x, nil)
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
+          next_indent = indent + INDENT
 					rv = <<-EOT
-			<textInput>
-				#{title_element(false)}
-				#{description_element(false)}
-				#{name_element(false)}
-				#{link_element(false)}
-#{other_element(false, "\t\t\t\t")}
-			</textInput>
+#{indent}<textInput>
+#{title_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{name_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</textInput>
 EOT
 	     		rv = @converter.convert(rv) if convert and @converter
 	  	    rv
diff --git a/lib/rss/1.0.rb b/lib/rss/1.0.rb
index be141d73d8..999301c595 100644
--- a/lib/rss/1.0.rb
+++ b/lib/rss/1.0.rb
@@ -28,7 +28,7 @@ module RSS
 
 		end
 
-		TAG_NAME.replace('RDF')
+		@tag_name = 'RDF'
 
 		PREFIX = 'rdf'
 		URI = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
@@ -57,19 +57,21 @@ module RSS
 			super('1.0', version, encoding, standalone)
 		end
 
-		def to_s(convert=true)
+		def to_s(convert=true, indent=calc_indent)
+			next_indent = indent + INDENT
 			rv = <<-EORDF
 #{xmldecl}
-#{xml_stylesheet_pi}<#{PREFIX}:RDF#{ns_declaration}>
-#{channel_element(false)}
-#{image_element(false)}
-#{item_elements(false)}
-#{textinput_element(false)}
-#{other_element(false, "\t")}
-</#{PREFIX}:RDF>
+#{xml_stylesheet_pi}
+#{indent}<#{PREFIX}:RDF#{ns_declaration(next_indent)}>
+#{channel_element(false, next_indent)}
+#{image_element(false, next_indent)}
+#{item_elements(false, next_indent)}
+#{textinput_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</#{PREFIX}:RDF>
 EORDF
       rv = @converter.convert(rv) if convert and @converter
-      rv
+      remove_empty_newline(rv)
 		end
 
 		private
@@ -105,7 +107,7 @@ EORDF
 				
 			end
 
-			TAG_NAME.replace('Seq')
+			@tag_name = 'Seq'
 			
 			install_have_children_element("li")
 			
@@ -116,12 +118,13 @@ EORDF
 				@li = li
 			end
 			
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				<<-EOT
-			<#{PREFIX}:Seq>
-#{li_elements(convert, "\t\t\t\t")}
-#{other_element(convert, "\t\t\t\t")}
-			</#{PREFIX}:Seq>
+#{indent}<#{PREFIX}:Seq>
+#{li_elements(convert, next_indent)}
+#{other_element(convert, next_indent)}
+#{indent}</#{PREFIX}:Seq>
 EOT
 			end
 
@@ -167,9 +170,9 @@ EOT
 				@resource = resource
 			end
 			
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
 				if @resource
-					rv = %Q!<#{PREFIX}:li resource="#{h @resource}" />\n!
+					rv = %Q!#{indent}<#{PREFIX}:li resource="#{h @resource}" />\n!
 					rv = @converter.convert(rv) if convert and @converter
 					rv
 				else
@@ -228,19 +231,20 @@ EOT
 				@about = about
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				about = ''
 				about << %Q!#{PREFIX}:about="#{h @about}"! if @about
 				rv = <<-EOT
-	<channel #{about}>
-		#{title_element(false)}
-		#{link_element(false)}
-		#{description_element(false)}
-		#{image_element(false)}
-#{items_element(false)}
-		#{textinput_element(false)}
-#{other_element(false, "\t\t")}
-	</channel>
+#{indent}<channel #{about}>
+#{title_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{image_element(false, next_indent)}
+#{items_element(false, next_indent)}
+#{textinput_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</channel>
 EOT
 	      rv = @converter.convert(rv) if convert and @converter
   	    rv
@@ -293,9 +297,9 @@ EOT
 					@resource = resource
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
 					if @resource
-						rv = %Q!<image #{PREFIX}:resource="#{h @resource}" />!
+						rv = %Q!#{indent}<image #{PREFIX}:resource="#{h @resource}" />!
 						rv = @converter.convert(rv) if convert and @converter
 						rv
 					else
@@ -335,9 +339,9 @@ EOT
 					@resource = resource
 				end
 
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
 					if @resource
-						rv = %Q|<textinput #{PREFIX}:resource="#{h @resource}" />|
+						rv = %Q|#{indent}<textinput #{PREFIX}:resource="#{h @resource}" />|
 						rv = @converter.convert(rv) if convert and @converter
 						rv
 					else
@@ -382,12 +386,13 @@ EOT
 					@Seq = seq
 				end
 				
-				def to_s(convert=true)
+				def to_s(convert=true, indent=calc_indent)
+					next_indent = indent + INDENT
 					<<-EOT
-		<items>
-#{Seq_element(convert)}
-#{other_element(convert, "\t\t\t")}
-		</items>
+#{indent}<items>
+#{Seq_element(convert, next_indent)}
+#{other_element(convert, next_indent)}
+#{indent}</items>
 EOT
 				end
 
@@ -446,16 +451,17 @@ EOT
 				@about = about
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				about = ''
 				about << %Q!#{PREFIX}:about="#{h @about}"! if @about
 				rv = <<-EOT
-	<image #{about}>
-		#{title_element(false)}
-		#{url_element(false)}
-		#{link_element(false)}
-#{other_element(false, "\t\t")}
-	</image>
+#{indent}<image #{about}>
+#{title_element(false, next_indent)}
+#{url_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</image>
 EOT
 	      rv = @converter.convert(rv) if convert and @converter
 	      rv
@@ -515,16 +521,17 @@ EOT
 				@about = about
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				about = ''
 				about << %Q!#{PREFIX}:about="#{h @about}"! if @about
 				rv = <<-EOT
-	<item #{about}>
-		#{title_element(false)}
-		#{link_element(false)}
-		#{description_element(false)}
-#{other_element(false, "\t\t")}
-	</item>
+#{indent}<item #{about}>
+#{title_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</item>
 EOT
 	      rv = @converter.convert(rv) if convert and @converter
 	      rv
@@ -585,17 +592,18 @@ EOT
 				@about = about
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
+				next_indent = indent + INDENT
 				about = ''
 				about << %Q!#{PREFIX}:about="#{h @about}"! if @about
 				rv = <<-EOT
-	<textinput #{about}>
-		#{title_element(false)}
-		#{description_element(false)}
-		#{name_element(false)}
-		#{link_element(false)}
-#{other_element(false, "\t\t")}
-	</textinput>
+#{indent}<textinput #{about}>
+#{title_element(false, next_indent)}
+#{description_element(false, next_indent)}
+#{name_element(false, next_indent)}
+#{link_element(false, next_indent)}
+#{other_element(false, next_indent)}
+#{indent}</textinput>
 EOT
 	      rv = @converter.convert(rv) if convert and @converter
 	      rv
diff --git a/lib/rss/2.0.rb b/lib/rss/2.0.rb
index c6c6db58a7..c4d055e984 100644
--- a/lib/rss/2.0.rb
+++ b/lib/rss/2.0.rb
@@ -23,11 +23,11 @@ module RSS
 				install_model(x, occurs)
 			end
 
-			def other_element(convert, indent='')
+			def other_element(convert, indent)
 				rv = <<-EOT
-#{indent}#{category_element(convert)}
-#{indent}#{generator_element(convert)}
-#{indent}#{ttl_element(convert)}
+#{category_element(convert, indent)}
+#{generator_element(convert, indent)}
+#{ttl_element(convert, indent)}
 EOT
 				rv << super
 			end
@@ -73,12 +73,12 @@ EOT
 					install_model(x, occurs)
 				end
 			
-				def other_element(convert, indent='')
+				def other_element(convert, indent)
 					rv = <<-EOT
-#{indent}#{author_element(false)}
-#{indent}#{comments_element(false)}
-#{indent}#{pubDate_element(false)}
-#{indent}#{guid_element(false)}
+#{author_element(false, indent)}
+#{comments_element(false, indent)}
+#{pubDate_element(false, indent)}
+#{guid_element(false, indent)}
 EOT
 					rv << super
 				end
@@ -116,7 +116,7 @@ EOT
 						@content = content
 					end
 
-					def to_s(convert=true)
+					def to_s(convert=true, indent=calc_indent)
 						if @content
 							rv = %Q!<guid!
 							rv << %Q! isPermaLink="#{h @isPermaLink}"! if @isPermaLink
diff --git a/lib/rss/parser.rb b/lib/rss/parser.rb
index 1a8fdd4930..9b9ff59173 100644
--- a/lib/rss/parser.rb
+++ b/lib/rss/parser.rb
@@ -286,8 +286,8 @@ module RSS
 					@proc_stack.push(nil)
 				else
 					parent = "ROOT ELEMENT???"
-					if current_class.const_defined?("TAG_NAME")
-						parent = current_class.const_get("TAG_NAME")
+					if current_class.tag_name
+						parent = current_class.tag_name
 					end
 					raise NotExceptedTagError.new(local, parent)
 				end
diff --git a/lib/rss/rss.rb b/lib/rss/rss.rb
index 13eaf7c505..24ba0eb170 100644
--- a/lib/rss/rss.rb
+++ b/lib/rss/rss.rb
@@ -154,7 +154,7 @@ module RSS
 			install_element(name) do |n, elem_name|
 				<<-EOC
 				if @#{n}
-					"\#{indent}\#{@#{n}.to_s(convert)}"
+					"\#{@#{n}.to_s(convert, indent)}"
 				else
 					''
 				end
@@ -171,7 +171,7 @@ EOC
 				<<-EOC
 				rv = ''
 				@#{n}.each do |x|
-					rv << "\#{indent}\#{x.to_s(convert)}"
+					rv << "\#{x.to_s(convert, indent)}"
 				end
 				rv
 EOC
@@ -320,14 +320,16 @@ EOC
 		extend BaseModel
 		include Utils
 
+		INDENT = "  "
+    
 		class << self
 
 			def inherited(klass)
 				klass.module_eval(<<-EOC)
 				public
 				
-				TAG_NAME = name.split('::').last.downcase
-
+				@tag_name = name.split(/::/).last.downcase
+				@indent_size = name.split(/::/).size - 2
 
 				@@must_call_validators = {}
 
@@ -415,6 +417,14 @@ EOC
 				self::NSPOOL[prefix] = uri
 			end
 
+			def tag_name
+				@tag_name
+			end
+      
+			def indent_size
+				@indent_size
+			end
+      
 		end
 
 		attr_accessor :do_validate
@@ -426,7 +436,7 @@ EOC
 		end
 
 		def tag_name
-			self.class::TAG_NAME
+			self.class.tag_name
 		end
 
 		def converter=(converter)
@@ -498,7 +508,7 @@ EOC
 		def validate_attribute
 			_attrs.each do |a_name, required|
 				if required and send(a_name).nil?
-					raise MissingAttributeError.new(self.class::TAG_NAME, a_name)
+					raise MissingAttributeError.new(self.class.tag_name, a_name)
 				end
 			end
 		end
@@ -615,6 +625,15 @@ EOC
 			rv
 		end
 
+		private
+		def calc_indent
+			INDENT * (self.class.indent_size)
+		end
+    
+		def remove_empty_newline(string)
+			string.gsub(/^\s*$(?:\r?\n?)/, '')
+		end
+    
 	end
 
 	module RootElementMixin
@@ -646,11 +665,11 @@ EOC
 			rv
 		end
 		
-		def ns_declaration
+		def ns_declaration(indent)
 			rv = ''
 			self.class::NSPOOL.each do |prefix, uri|
 				prefix = ":#{prefix}" unless prefix.empty?
-				rv << %Q|\n\txmlns#{prefix}="#{html_escape(uri)}"|
+				rv << %Q|\n#{indent}xmlns#{prefix}="#{html_escape(uri)}"|
 			end
 			rv
 		end
diff --git a/lib/rss/trackback.rb b/lib/rss/trackback.rb
index ae33ff8854..b427895aad 100644
--- a/lib/rss/trackback.rb
+++ b/lib/rss/trackback.rb
@@ -76,9 +76,10 @@ module RSS
 				@resource = resource
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
 				if @resource
-					rv = %Q!<#{TRACKBACK_PREFIX}:ping #{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>!
+					rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:ping ]
+					rv << %Q[#{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>]
 					rv = @converter.convert(rv) if convert and @converter
 					rv
 				else
@@ -121,9 +122,10 @@ module RSS
 				@resource = resource
 			end
 
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
 				if @resource
-					rv = %Q!<#{TRACKBACK_PREFIX}:about #{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>!
+					rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:about ]
+					rv << %Q[#{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>]
 					rv = @converter.convert(rv) if convert and @converter
 					rv
 				else
@@ -245,9 +247,11 @@ module RSS
 
 			end
 			
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
 				if @content
-					rv = %Q!<#{TRACKBACK_PREFIX}:ping>#{h @content}</#{TRACKBACK_PREFIX}:ping>!
+					rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:ping>]
+					rv << h(@content)
+					rv << %Q[</#{TRACKBACK_PREFIX}:ping>]
 					rv = @converter.convert(rv) if convert and @converter
 					rv
 				else
@@ -274,9 +278,11 @@ module RSS
 
 			end
 			
-			def to_s(convert=true)
+			def to_s(convert=true, indent=calc_indent)
 				if @content
-					rv = %Q!<#{TRACKBACK_PREFIX}:about>#{h @content}</#{TRACKBACK_PREFIX}:about>!
+					rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:about>]
+					rv << h(@content)
+					rv << %Q[</#{TRACKBACK_PREFIX}:about>]
 					rv = @converter.convert(rv) if convert and @converter
 					rv
 				else
diff --git a/test/rss/test_1.0.rb b/test/rss/test_1.0.rb
index 6ed4d90b15..0ea3e884d8 100644
--- a/test/rss/test_1.0.rb
+++ b/test/rss/test_1.0.rb
@@ -254,6 +254,17 @@ module RSS
 			end
 			
 		end
-		
+
+		def test_indent_size
+			assert_equal(0, RDF.indent_size)
+			assert_equal(1, RDF::Channel.indent_size)
+			assert_equal(2, RDF::Channel::Image.indent_size)
+			assert_equal(2, RDF::Channel::Textinput.indent_size)
+			assert_equal(2, RDF::Channel::Items.indent_size)
+			assert_equal(1, RDF::Image.indent_size)
+			assert_equal(1, RDF::Item.indent_size)
+			assert_equal(1, RDF::Textinput.indent_size)
+		end
+    
 	end
 end
-- 
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