// http://www.boost.org/LICENSE_1_0.txt)
//
-// read_graphviz_spirit.hpp -
+// read_graphviz_spirit.hpp -
// Initialize a model of the BGL's MutableGraph concept and an associated
// collection of property maps using a graph expressed in the GraphViz
-// DOT Language.
+// DOT Language.
//
// Based on the grammar found at:
-// http://www.graphviz.org/cvs/doc/info/lang.html
+// https://web.archive.org/web/20041213234742/http://www.graphviz.org/cvs/doc/info/lang.html
//
// See documentation for this code at:
// http://www.boost.org/libs/graph/doc/read_graphviz.html