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+Cactus Code Thorn Exact
+Authors    : Carsten Gundlach initially, plus many other authors.
+CVS info   : $Header$
+--------------------------------------------------------------------------
+
+Purpose of the thorn:
+
+The initial purpose of this thorn was the comparison of numerical
+spacetimes against exact solutions.  One particular solution,
+the boost-rotation-symmetric spacetimes, was the first application.
+
+Later, the thorn developed as a reservoir for a variety of exact spacetimes,
+some of them in different coordinate systems, and even some non-Einstein
+spcetimes.  All od these exact spacetimes have been found useful for
+testing different aspect of the code.  Since mamy different people have
+contributed to this thorn by adding new exact solutions, you shoudl expect
+many different styles of coding here.
+
+For more details see the documentation in the directory doc.
+