--- valasourcereference.vala.orig	2007-09-12 01:03:33.000000000 +0200
+++ valasourcereference.vala	2007-09-12 01:07:08.000000000 +0200
@@ -66,12 +66,12 @@
 	 * @param last_column  last column number
 	 * @return             newly created source reference
 	 */
-	public SourceReference (SourceFile _file, int _first_line = 0, int _first_column = 0, int _last_line = 0, int _last_column = 0) {
-		file = _file;
-		first_line = _first_line;
-		first_column = _first_column;
-		last_line = _last_line;
-		last_column = _last_column;
+	public SourceReference (
+		construct SourceFile file,
+		construct int first_line = 0,
+		construct int first_column = 0,
+		construct int last_line = 0,
+		construct int last_column = 0) {
 	}
 	
 	/**
@@ -85,13 +85,13 @@
 	 * @param comment      code comment
 	 * @return             newly created source reference
 	 */
-	public SourceReference.with_comment (SourceFile _file, int _first_line, int _first_column, int _last_line, int _last_column, string _comment) {
-		file = _file;
-		first_line = _first_line;
-		first_column = _first_column;
-		last_line = _last_line;
-		last_column = _last_column;
-		comment = _comment;
+	public SourceReference.with_comment (
+		construct SourceFile file,
+		construct int first_line,
+		construct int first_column,
+		construct int last_line,
+		construct int last_column,
+		construct string comment) {
 	}
 	
 	/**