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diff --git a/contrib/csup/parse.y b/contrib/csup/parse.y
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+%{
+/*-
+ * Copyright (c) 2003-2004, Maxime Henrion <mux@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+
+#include "config.h"
+#include "token.h"
+
+%}
+
+%union {
+	char *str;
+	int i;
+}
+
+%token DEFAULT
+%token <i> NAME
+%token <i> BOOLEAN
+%token EQUAL
+%token <str> STRING
+
+%%
+
+config_file	
+	: config_list
+       	|
+       	;
+
+config_list
+        : config
+        | config_list config
+        ;
+
+config
+	: default_line
+	| collection
+	;
+
+default_line
+	: DEFAULT options
+		{ coll_setdef(); }
+	;
+
+collection
+	: STRING options
+		{ coll_add($1); }
+	;
+
+options
+	:
+	| options option
+	;
+
+option
+	: BOOLEAN
+		{ coll_setopt($1, NULL); }
+	| value
+	;
+
+value
+	: NAME EQUAL STRING
+		{ coll_setopt($1, $3); }
+	;
+
+%%