Update Changes.

[p5sagit/p5-mst-13.2.git] / pp_ctl.c

diff --git a/pp_ctl.c b/pp_ctl.c
index 01b8fec..8981bb8 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -3672,6 +3672,19 @@ S_doparseform(pTHX_ SV *sv)
     SvCOMPILED_on(sv);
 }
 
+/*
+ * The mergesort implementation is by Peter M. Mcilroy <pmcilroy@lucent.com>.
+ *
+ * The original code was written in conjunction with BSD Computer Software
+ * Research Group at University of California, Berkeley.
+ *
+ * See also: "Optimistic Merge Sort" (SODA '92)
+ *      
+ * The integration to Perl is by John P. Linderman <jpl@research.att.com>.
+ *
+ * The code can be distributed under the same terms as Perl itself.
+ *
+ */
 
 #ifdef TESTHARNESS
 #include <sys/types.h>
@@ -3687,32 +3700,6 @@ typedef int  (*SVCOMPARE_t) (pTHXo_ SV*, SV*);
 typedef char * aptr;           /* pointer for arithmetic on sizes */
 typedef SV * gptr;             /* pointers in our lists */
 
-/* Copyright notice from Peter's original sort,
-** which has been modified heavily.  Good ideas are Peter's
-** bugs are jpl's
-*/
-
-/* Much of this code is original source code from BSD4.4, and is 
- * copyright (c) 1991 The Regents of the University of California.
- *
- * 1. 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.
- * 2. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
-*/
-
-/* 
- * AUTHOR: Peter McIlroy
- * 1991-1992,  See: Optimistic Merge Sort (SODA '92)
-*/
-
 /* Binary merge internal sort, with a few special mods
 ** for the special perl environment it now finds itself in.
 **