Fixed mixed tab and spaces

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/HighlightingColor.cs

@@ -88,8 +88,8 @@ namespace ICSharpCode.AvalonEdit.Highlighting
 		/// <summary>
       ///  Gets/sets the underline flag. Null if the underline status does not change the font style.
       /// </summary>
-      public bool? Underline {
-      	get {
+		public bool? Underline {
+			get {
 				return underline;
 			}
 			set {

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Xshd/XshdColor.cs

@@ -106,7 +106,7 @@ namespace ICSharpCode.AvalonEdit.Highlighting.Xshd
 			info.AddValue("Background", this.Background);
 			info.AddValue("HasWeight", this.FontWeight.HasValue);
 			if (this.Underline)
-            info.AddValue("Underline", this.Underline);			
+				info.AddValue("Underline", this.Underline);			
 			if (this.FontWeight.HasValue)
 				info.AddValue("Weight", this.FontWeight.Value.ToOpenTypeWeight());
 			info.AddValue("HasStyle", this.FontStyle.HasValue);