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diff --git a/bundles/winterwell.markdown/src/winterwell/markdown/editors/MDScanner.java b/bundles/winterwell.markdown/src/winterwell/markdown/editors/MDScanner.java
new file mode 100644
index 000000000..60a307b78
--- /dev/null
+++ b/bundles/winterwell.markdown/src/winterwell/markdown/editors/MDScanner.java
@@ -0,0 +1,61 @@
+/**
+ * Copyright winterwell Mathematics Ltd.
+ * @author Daniel Winterstein
+ * 13 Jan 2007
+ */
+package winterwell.markdown.editors;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.preference.PreferenceConverter;
+import org.eclipse.jface.text.TextAttribute;
+import org.eclipse.jface.text.rules.IRule;
+import org.eclipse.jface.text.rules.IWhitespaceDetector;
+import org.eclipse.jface.text.rules.MultiLineRule;
+import org.eclipse.jface.text.rules.RuleBasedScanner;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WhitespaceRule;
+import org.eclipse.swt.SWT;
+
+import winterwell.markdown.Activator;
+import winterwell.markdown.preferences.MarkdownPreferencePage;
+
+/**
+ * 
+ *
+ * @author Daniel Winterstein
+ */
+public class MDScanner extends RuleBasedScanner {
+	ColorManager cm;
+    public MDScanner(ColorManager cm) {
+    	this.cm = cm;
+    	IPreferenceStore pStore = Activator.getDefault().getPreferenceStore();
+    	Token heading = new Token(new TextAttribute(cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_HEADER)), null, SWT.BOLD));
+    	Token comment = new Token(new TextAttribute(cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_COMMENT))));
+    	Token emphasis = new Token(new TextAttribute(cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_DEFUALT)), null, SWT.ITALIC));
+    	Token list = new Token(new TextAttribute(cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_HEADER)), null, SWT.BOLD));
+    	Token link = new Token(new TextAttribute(cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_LINK)), null, TextAttribute.UNDERLINE));
+    	Token code = new Token(new TextAttribute(
+    			cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_CODE)),
+    			cm.getColor(PreferenceConverter.getColor(pStore, MarkdownPreferencePage.PREF_CODE_BG)),
+    			SWT.NORMAL));
+        setRules(new IRule[] {
+           new LinkRule(link),
+           new HeaderRule(heading),
+           new HeaderWithUnderlineRule(heading),
+           new ListRule(list),
+           new EmphasisRule("_", emphasis),
+           new EmphasisRule("***", emphasis),
+           new EmphasisRule("**", emphasis),
+           new EmphasisRule("*", emphasis),
+           new EmphasisRule("``", code),
+           new EmphasisRule("`", code),
+           new MultiLineRule("<!--", "-->", comment),
+           // WhitespaceRule messes up with the rest of rules
+//           new WhitespaceRule(new IWhitespaceDetector() {
+//              public boolean isWhitespace(char c) {
+//                 return Character.isWhitespace(c);
+//              }
+//           }),
+        });
+     }
+}