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revision 165 by ph10, Wed May 9 10:50:57 2007 UTC revision 166 by ph10, Wed May 9 14:48:28 2007 UTC
# Line 21  Version 7.2 01-May-07 Line 21  Version 7.2 01-May-07
21      stack recursion. This gives a massive performance boost under BSD, but just      stack recursion. This gives a massive performance boost under BSD, but just
22      a small improvement under Linux. However, it saves one field in the frame      a small improvement under Linux. However, it saves one field in the frame
23      in all cases.      in all cases.
24    
25     6. Added more features from the forthcoming Perl 5.10:
26    
27        (a) (?-n) (where n is a string of digits) is a relative subroutine or
28            recursion call. It refers to the nth most recently opened parentheses.
29    
30        (b) (?+n) is also a relative subroutine call; it refers to the nth next
31            to be opened parentheses.
32    
33    
34  Version 7.1 24-Apr-07  Version 7.1 24-Apr-07
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