diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Coco-Mode.xshd b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Coco-Mode.xshd
index 0eb3b93930..9395198b52 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Coco-Mode.xshd
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Coco-Mode.xshd
@@ -1,97 +1,74 @@
 <?xml version="1.0" ?>
 <!-- syntaxdefinition for Coco/R 2003 by Mike Krueger -->
-<SyntaxDefinition name="Coco" extensions=".atg">
-	
-	<Digits name="Digits" bold="false" italic="false" color="DarkBlue" />
-	
-	<RuleSets>
-		<RuleSet ignorecase="false">
-			<Delimiters>&amp;&lt;&gt;~!@%^*()-+=|\#/{}[]:;"' ,	.?</Delimiters>
-			
-			<Span name = "LINECOMMENT" bold = "false" italic = "true" color = "Gray" stopateol = "true">
-			   	<Begin>//</Begin>
-			</Span>
-			
-			<Span name = "BLOCKCOMMENT" bold = "false" italic = "true" color = "Gray" stopateol = "false">
-				<Begin>/*</Begin>
-				<End>*/</End>
-			</Span>
-
-			
-			<Span name="CSharpCode2" rule="CSharp" bold="false" italic="false" color="Black" stopateol="false">
-				<Begin bold = "true" color = "Blue">COMPILER</Begin>
-				<End bold = "true" color = "Blue">TOKENNAMES</End>
-			</Span>
-			
-			<Span name = "STRING" bold = "false" italic = "false" color = "DarkGreen" stopateol = "true">
-				<Begin>"</Begin>
-				<End>"</End>
-			</Span>
-			
-			<Span name = "CHAR" bold = "false" italic = "false" color = "DarkGreen" stopateol = "true">
-				<Begin>'</Begin>
-				<End>'</End>
-			</Span>
-			
-			<Span name = "paramlist" rule="ParamList" bold = "false" italic = "false" color = "Black" stopateol = "true">
-				<Begin bold="true" color = "Black" >&lt;</Begin>
-				<End bold="true" color = "Black" >&gt;</End>
-			</Span>
-			
-			<Span name="CSharpCode" rule="CSharp" bold="false" italic="false" color="DarkSlateGray" stopateol="false">
-				<Begin bold = "true" italic="true" color = "Green">(.</Begin>
-				<End   bold = "true" italic="true" color = "Green">.)</End>
-			</Span>
-			
-			
-			<KeyWords name = "Punctuation" bold = "true" italic = "false" color = "Black">
-				<Key word = "{"/>
-				<Key word = "}"/>
-				<Key word = "("/>
-				<Key word = ")"/>
-				<Key word = "["/>
-				<Key word = "]"/>
-				<Key word = "|"/>
-				<Key word = "+"/>
-				<Key word = "-"/>
-				<Key word = "="/>
-				<Key word = "."/>
-			</KeyWords>
-			
-			<KeyWords name = "KeyWords" bold = "true" italic = "false" color = "Blue">
-				<Key word = "ANY"/>
-				<Key word = "CHARACTERS"/>
-				<Key word = "COMMENTS"/>
-				<Key word = "COMPILER"/>
-				<Key word = "CONTEXT"/>
-				<Key word = "END"/>
-				<Key word = "FROM"/>
-				<Key word = "IF"/>
-				<Key word = "IGNORE"/>
-				<Key word = "NAMESPACE"/>
-				<Key word = "NESTED"/>
-				<Key word = "PRAGMAS"/>
-				<Key word = "PRODUCTIONS"/>
-				<Key word = "SYNC"/>
-				<Key word = "TO"/>
-				<Key word = "TOKENS"/>
-				<Key word = "TOKENNAMES"/>
-				<Key word = "WEAK"/>
-				<Key word = "using"/>
-			</KeyWords>
-			
-		</RuleSet>
-
-		<RuleSet name="CSharp" reference = "C#" ignorecase="false">
-		</RuleSet>
-		
-		<RuleSet name="ParamList" reference = "C#" ignorecase="false">
-		</RuleSet>
-		
-		<RuleSet name="RuleDefinition" ignorecase="false">
-			
-		</RuleSet>
-
-	</RuleSets>
-</SyntaxDefinition>
-		
+<!-- converted to AvalonEdit format by Siegfried Pammer in 2010 -->
+<SyntaxDefinition name="Coco" extensions=".atg" xmlns="http://icsharpcode.net/sharpdevelop/syntaxdefinition/2008">
+	<Color name="Comment" foreground="#FF808080" fontStyle="italic" />
+	<Color name="Punctuation" foreground="#FF000000" fontWeight="bold" />
+	<Color name="Keywords" foreground="#FF0000FF" fontWeight="bold" />
+	<Color name="String" foreground="#FF006400" />
+	<RuleSet ignoreCase="false">
+		<Rule color="Punctuation">
+			[{}\(\)\[\]|+\-=\.]+
+		</Rule>
+		<Keywords color="Keywords">
+			<Word>ANY</Word>
+			<Word>CHARACTERS</Word>
+			<Word>COMMENTS</Word>
+			<Word>COMPILER</Word>
+			<Word>CONTEXT</Word>
+			<Word>END</Word>
+			<Word>FROM</Word>
+			<Word>IF</Word>
+			<Word>IGNORE</Word>
+			<Word>NAMESPACE</Word>
+			<Word>NESTED</Word>
+			<Word>PRAGMAS</Word>
+			<Word>PRODUCTIONS</Word>
+			<Word>SYNC</Word>
+			<Word>TO</Word>
+			<Word>TOKENS</Word>
+			<Word>TOKENNAMES</Word>
+			<Word>WEAK</Word>
+			<Word>using</Word>
+		</Keywords>
+		<Span color="Comment">
+			<Begin>//</Begin>
+		</Span>
+		<Span color="Comment" multiline="true">
+			<Begin>/\*</Begin>
+			<End>\*/</End>
+		</Span>
+		<Span foreground="Black" ruleSet="CSharp" multiline="true">
+			<Begin color="Keywords">COMPILER</Begin>
+			<End color="Keywords">TOKENNAMES</End>
+		</Span>
+		<Span color="String">
+			<Begin>"</Begin>
+			<End>"</End>
+		</Span>
+		<Span color="String">
+			<Begin>'</Begin>
+			<End>'</End>
+		</Span>
+		<Span foreground="#FF000000" ruleSet="ParamList">
+			<Begin foreground="#FF000000" fontWeight="bold">&lt;</Begin>
+			<End foreground="#FF000000" fontWeight="bold">&gt;</End>
+		</Span>
+		<Span foreground="#FF2F4F4F" fontWeight="normal" fontStyle="normal" ruleSet="CSharp" multiline="true">
+			<Begin foreground="#FF008000" fontWeight="bold" fontStyle="italic">\(\.</Begin>
+			<End foreground="#FF008000" fontWeight="bold" fontStyle="italic">\.\)</End>
+		</Span>
+		<Rule foreground="#FF00008B" fontWeight="normal" fontStyle="normal">\b0[xX][0-9a-fA-F]+|(\b\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?</Rule>
+	</RuleSet>
+	<RuleSet name="CSharp" ignoreCase="false">
+		<Import ruleSet="C#/" />
+		<Rule foreground="#FF00008B" fontWeight="normal" fontStyle="normal">\b0[xX][0-9a-fA-F]+|(\b\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?</Rule>
+	</RuleSet>
+	<RuleSet name="ParamList" ignoreCase="false">
+		<Import ruleSet="C#/" />
+		<Rule foreground="#FF00008B" fontWeight="normal" fontStyle="normal">\b0[xX][0-9a-fA-F]+|(\b\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?</Rule>
+	</RuleSet>
+	<RuleSet name="RuleDefinition" ignoreCase="false">
+		<Rule foreground="#FF00008B" fontWeight="normal" fontStyle="normal">\b0[xX][0-9a-fA-F]+|(\b\d+(\.[0-9]+)?|\.[0-9]+)([eE][+-]?[0-9]+)?</Rule>
+	</RuleSet>
+</SyntaxDefinition>
\ No newline at end of file