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2011-12-13 Kaz Kylheku <kaz@kylheku.com>
+ * arith.c (highest_bit): Linkage changed to static.
+ (abso, isqrt): New functions.
+ (isqrt_fixnum): New static function.
+
+ * eval.c (eval_init): Registered abs, sqrt and numberp instrinsics.
+
+ * lib.c (numberp): New function.
+
+ * lib.h (numberp, abso, isqrt): Declared.
+
+ * mpi-patches/series: New patch added.
+
+ * mpi-patches/faster-square-root: New patch added.
+
+ * txr.1: Documentation stubs for new functions.
+
+2011-12-13 Kaz Kylheku <kaz@kylheku.com>
+
* arith.c (expt): Fix broken bignum x fixnum combination.
2011-12-13 Kaz Kylheku <kaz@kylheku.com>