diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
index b2bbb803b61e..07ba4d9d09ab 100644
--- a/LayoutTests/ChangeLog
+++ b/LayoutTests/ChangeLog
@@ -1,3 +1,83 @@
+2009-11-04  Roland Steiner  <rolandsteiner@chromium.org>
+
+        Reviewed by Dave Hyatt.
+
+        Bug 28420 -  Implement HTML5 <ruby> rendering
+        (https://bugs.webkit.org/show_bug.cgi?id=28420)
+
+        First rudimentary implementation of HTML5 ruby rendering support - layout tests.
+
+        New layout tests: basic rendering:
+        * fast/ruby/ruby-empty-rt.html: Added.
+        * fast/ruby/ruby-length.html: Added.
+        * fast/ruby/ruby-run-break.html: Added.
+        * fast/ruby/ruby-runs-spans.html: Added.
+        * fast/ruby/ruby-runs.html: Added.
+        * fast/ruby/ruby-simple-rp.html: Added.
+        * fast/ruby/ruby-simple.html: Added.
+        * fast/ruby/ruby-trailing.html: Added.
+        
+        New layout tests: DOM manipulation within <ruby>
+        * fast/ruby/rubyDOM-insert-rt.html: Added.
+        * fast/ruby/rubyDOM-insert-text1.html: Added.
+        * fast/ruby/rubyDOM-insert-text2.html: Added.
+        * fast/ruby/rubyDOM-insert-text3.html: Added.
+        * fast/ruby/rubyDOM-remove-rt1.html: Added.
+        * fast/ruby/rubyDOM-remove-rt2.html: Added.
+        * fast/ruby/rubyDOM-remove-text1.html: Added.
+        * fast/ruby/rubyDOM-remove-text2.html: Added.
+        
+        New layout tests results:
+        * platform/mac/fast/ruby: Added.
+        * platform/mac/fast/ruby/ruby-empty-rt-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-empty-rt-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-empty-rt-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-length-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-length-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-length-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-run-break-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-run-break-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-run-break-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-runs-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-runs-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-runs-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-runs-spans-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-runs-spans-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-runs-spans-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-simple-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-simple-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-simple-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-simple-rp-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-simple-rp-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-simple-rp-expected.txt: Added.
+        * platform/mac/fast/ruby/ruby-trailing-expected.checksum: Added.
+        * platform/mac/fast/ruby/ruby-trailing-expected.png: Added.
+        * platform/mac/fast/ruby/ruby-trailing-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-rt-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-rt-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-rt-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text1-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text1-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text1-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text2-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text2-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text2-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text3-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text3-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-insert-text3-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt1-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt1-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt1-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt2-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt2-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-rt2-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text1-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text1-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text1-expected.txt: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text2-expected.checksum: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text2-expected.png: Added.
+        * platform/mac/fast/ruby/rubyDOM-remove-text2-expected.txt: Added.
+
 2009-11-03  Kenneth Russell  <kbr@google.com>
 
         Reviewed by Oliver Hunt.
diff --git a/LayoutTests/fast/ruby/ruby-empty-rt.html b/LayoutTests/fast/ruby/ruby-empty-rt.html
new file mode 100644
index 000000000000..9eb9b6c584c5
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-empty-rt.html
@@ -0,0 +1,11 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+</head>
+<body>
+<p>The following is a test for having a &lt;rt&gt; immediately following another.</p>
+<br>
+<br>
+<p>準太郎は<ruby>東京<rt>とうきょう</rt>工業大学<rt>こうぎょう</rt><rt>だいがく</rt></ruby>から卒業しました。
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/ruby-length.html b/LayoutTests/fast/ruby/ruby-length.html
new file mode 100644
index 000000000000..f2a35dd0a9e7
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-length.html
@@ -0,0 +1,12 @@
+<head>
+<style>
+</style>
+</head>
+<body>
+This is a initial test for simple ruby.
+There should be 2 ruby annotations on below line, one with a ruby text shorter than the base, 
+and one with a ruby text longer than the base.
+<br>
+<br>
+ＣＳＳ３／ＨＴＭＬ５のルビは<ruby>日本語<rt>Japanese Langauge</rt></ruby>によく<ruby>使われて<rt>used</rt></ruby>います。
+</body>
diff --git a/LayoutTests/fast/ruby/ruby-run-break.html b/LayoutTests/fast/ruby/ruby-run-break.html
new file mode 100644
index 000000000000..cc78933e8834
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-run-break.html
@@ -0,0 +1,12 @@
+<head>
+</head>
+<body>
+This is a test for multiple ruby runs and line breaks.
+There is a div with a blue border and 10px padding. This contains a single &lt;ruby&gt; markup in the text contained in the block, broken across 2 lines. 
+Part of it should be on the first line, the rest on the other line.
+<br>
+<br>
+<div style="border: 2px solid blue; padding: 10px; width:260px;">
+ＣＳＳ３／ＨＴＭＬ５のルビは<ruby>日<rt>に</rt>本<rt>ほん</rt>語<rt>ご</rt></ruby>によく使われています。
+</div>
+</body>
diff --git a/LayoutTests/fast/ruby/ruby-runs-spans.html b/LayoutTests/fast/ruby/ruby-runs-spans.html
new file mode 100644
index 000000000000..1b3e4b9df4b4
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-runs-spans.html
@@ -0,0 +1,9 @@
+<html>
+<head>
+<meta charset="utf-8">
+</head>
+<body>
+<p>The following is a test for having non-text inline elements as base in a &lt;ruby&gt;.</p>
+<p>準太郎は<ruby><span id="T">東京</span><rt>とうきょう</rt><span id="K">工業</span><span id="D">大学</span><rt>こうぎょうだいがく</rt></ruby>から卒業しました。
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/ruby-runs.html b/LayoutTests/fast/ruby/ruby-runs.html
new file mode 100644
index 000000000000..b433d87b0708
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-runs.html
@@ -0,0 +1,10 @@
+<head>
+<style>
+</style>
+</head>
+<body>
+This is a test for multiple ruby runs.
+<br>
+<br>
+ＣＳＳ３／ＨＴＭＬ５のルビは<ruby>日<rt>に</rt>本<rt>ほん</rt>語<rt>ご</rt></ruby>によく使われています。
+</body>
diff --git a/LayoutTests/fast/ruby/ruby-simple-rp.html b/LayoutTests/fast/ruby/ruby-simple-rp.html
new file mode 100644
index 000000000000..5392a97181b6
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-simple-rp.html
@@ -0,0 +1,11 @@
+<head>
+<style>
+</style>
+</head>
+<body>
+This is a test for simple ruby that contains &lt;rp&gt; tags. 
+Contents of the &lt;rp&gt; tags (opening and closing brackets) should not show when ruby is suppoorted.
+<br>
+<br>
+ＣＳＳ３／ＨＴＭＬ５のルビは<ruby>日本語<rp>（</rp><rt>にほんご</rt><rp>）</rp></ruby>によく使われています。
+</body>
diff --git a/LayoutTests/fast/ruby/ruby-simple.html b/LayoutTests/fast/ruby/ruby-simple.html
new file mode 100644
index 000000000000..5e6a4e678f92
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-simple.html
@@ -0,0 +1,10 @@
+<head>
+<style>
+</style>
+</head>
+<body>
+This is a initial test for simple ruby.
+<br>
+<br>
+ＣＳＳ３／ＨＴＭＬ５のルビは<ruby>日本語<rt>にほんご</rt></ruby>によく使われています。
+</body>
diff --git a/LayoutTests/fast/ruby/ruby-trailing.html b/LayoutTests/fast/ruby/ruby-trailing.html
new file mode 100644
index 000000000000..95b51d2debaa
--- /dev/null
+++ b/LayoutTests/fast/ruby/ruby-trailing.html
@@ -0,0 +1,11 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+</head>
+<body>
+<p>The following is a test for having a trailing base within a &lt;ruby&gt; with no associated ruby text.</p>
+<br>
+<br>
+<p>準太郎は<ruby>東京<rt>とうきょう</rt>工業<rt>こうぎょう</rt>大学</ruby>から卒業しました。
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-insert-rt.html b/LayoutTests/fast/ruby/rubyDOM-insert-rt.html
new file mode 100644
index 000000000000..82e7fd5fc1c9
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-insert-rt.html
@@ -0,0 +1,24 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('R');
+    var span = document.getElementById('D');
+    var newRT = document.createElement('rt');
+    var newRTText = document.createTextNode('こうぎょう');
+    newRT.appendChild(newRTText);
+    ruby.insertBefore(newRT, span);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Inserting a new &lt;rt&gt; element</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="R"><span id="T">東京</span><rt>とうきょう</rt><span id="K">工業</span><span id="D">大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby><span>東京</span><rt>とうきょう</rt><span>工業</span><rt>こうぎょう</rt><span>大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-insert-text1.html b/LayoutTests/fast/ruby/rubyDOM-insert-text1.html
new file mode 100644
index 000000000000..ea238fb7da68
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-insert-text1.html
@@ -0,0 +1,22 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var rt = document.getElementById('rt');
+    var newText = document.createTextNode('工業');
+    ruby.insertBefore(newText, rt);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Inserting a new text before a &lt;rt&gt; element</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r"><span>東京</span><rt>とうきょう</rt><rt id="rt">こうぎょう</rt><span>大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby><span>東京</span><rt>とうきょう</rt>工業<rt>こうぎょう</rt><span>大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-insert-text2.html b/LayoutTests/fast/ruby/rubyDOM-insert-text2.html
new file mode 100644
index 000000000000..9c9a0f32217e
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-insert-text2.html
@@ -0,0 +1,22 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var rt = document.getElementById('rt');
+    var newText = document.createTextNode('大学');
+    ruby.insertBefore(newText, rt);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Inserting a new text before a &lt;rt&gt; element that already contains text.</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r"><span>工業</span><rt id="rt">こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby><span>工業</span>大学<rt>こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-insert-text3.html b/LayoutTests/fast/ruby/rubyDOM-insert-text3.html
new file mode 100644
index 000000000000..17226ca6c59e
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-insert-text3.html
@@ -0,0 +1,22 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var text = document.getElementById('t');
+    var newText = document.createTextNode('工業');
+    ruby.insertBefore(newText, t);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Inserting a new text before another text of a ruby base.</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r"><span id="t">大学</span><rt>こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby>工業<span>大学</span><rt>こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-remove-rt1.html b/LayoutTests/fast/ruby/rubyDOM-remove-rt1.html
new file mode 100644
index 000000000000..2a05bfdaddb2
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-remove-rt1.html
@@ -0,0 +1,21 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var k = document.getElementById('rt');
+    ruby.removeChild(rt);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Removing the last &lt;rt&gt;, leaving the base without ruby text.</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r">工業<rt>こうぎょう</rt>大学<rt id="rt">Shouldn't show</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby>工業<rt>こうぎょう</rt>大学</ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-remove-rt2.html b/LayoutTests/fast/ruby/rubyDOM-remove-rt2.html
new file mode 100644
index 000000000000..15c6640492a8
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-remove-rt2.html
@@ -0,0 +1,21 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var k = document.getElementById('rt');
+    ruby.removeChild(rt);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Removing the last &lt;rt&gt;, forcing a merge with the right neighbour run</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r">工業<rt id="rt">Shouldn't show</rt>大学<rt>こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby>工業大学<rt>こうぎょうだいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-remove-text1.html b/LayoutTests/fast/ruby/rubyDOM-remove-text1.html
new file mode 100644
index 000000000000..3e822c8f2c2c
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-remove-text1.html
@@ -0,0 +1,21 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var k = document.getElementById('k');
+    ruby.removeChild(k);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Removing a ruby base object, leaving the base non-empty.</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r"><span id="k">工業</span><span>大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby><span>大学</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/fast/ruby/rubyDOM-remove-text2.html b/LayoutTests/fast/ruby/rubyDOM-remove-text2.html
new file mode 100644
index 000000000000..fcda536e4a1e
--- /dev/null
+++ b/LayoutTests/fast/ruby/rubyDOM-remove-text2.html
@@ -0,0 +1,21 @@
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function test()
+{
+    var ruby = document.getElementById('r');
+    var k = document.getElementById('k');
+    ruby.removeChild(k);    
+}
+</script>
+</head>
+<body onload="test()">
+<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Removing a ruby base object, leaving the base empty.</p>
+<p>Both lines should look identical (the first line is the one manipulated).</p>
+<br>
+<br>
+<p>準太郎は<ruby id="r"><span id="k">工業</span><rt>だいがく</rt></ruby>から卒業しました。</p>
+<p>準太郎は<ruby><rt>だいがく</rt></ruby>から卒業しました。</p>
+</body>
+</html>
diff --git a/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.checksum b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.checksum
new file mode 100644
index 000000000000..82290c0926ce
--- /dev/null
+++ b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.checksum
@@ -0,0 +1 @@
+a492ba3222a57c03f379905ccc3412a3
\ No newline at end of file
diff --git a/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.png b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.png
new file mode 100644
index 000000000000..332764f5f134
Binary files /dev/null and b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.png differ
diff --git a/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.txt b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.txt
new file mode 100644
index 000000000000..ad5a3dd90dd0
--- /dev/null
+++ b/LayoutTests/platform/mac/fast/ruby/ruby-empty-rt-expected.txt
@@ -0,0 +1,37 @@
+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x600
+  RenderBlock {HTML} at (0,0) size 800x600
+    RenderBody {BODY} at (8,8) size 784x576
+      RenderBlock {P} at (0,0) size 784x18
+        RenderText {#text} at (0,0) size 452x18
+          text run at (0,0) width 452: "The following is a test for having a <rt> immediately following another."
+      RenderBlock (anonymous) at (0,34) size 784x36
+        RenderBR {BR} at (0,0) size 0x18
+        RenderBR {BR} at (0,18) size 0x18
+      RenderBlock {P} at (0,86) size 784x34
+        RenderText {#text} at (0,16) size 64x18
+          text run at (0,16) width 64: "\x{6E96}\x{592A}\x{90CE}\x{306F}"
+        RenderRuby (inline) {RUBY} at (0,0) size 154x18
+          RenderRubyRun (anonymous) at (64,0) size 50x34
+            RenderRubyText {RT} at (0,0) size 50x13
+              RenderText {#text} at (0,0) size 50x13
+                text run at (0,0) width 50: "\x{3068}\x{3046}\x{304D}\x{3087}\x{3046}"
+            RenderRubyBase (anonymous) at (0,13) size 50x21
+              RenderText {#text} at (9,3) size 32x18
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