Mon, 26 Aug 2013 21:56:08 +0200 wenzelm added SHA1 library integrity test, which is invoked at compile time and Isabelle_Process run-time;
Mon, 26 Aug 2013 21:53:56 +0200 wenzelm allow NUL characters in ML string passed to C library;
Mon, 26 Aug 2013 18:08:54 +0200 blanchet simplify code (now that ctr_sugar uses the same type variables as fp_sugar)
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