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revision 271 by ph10, Fri Nov 16 19:55:16 2007 UTC revision 272 by ph10, Sat Nov 17 16:53:53 2007 UTC
# Line 21  Version 7.5 12-Nov-07 Line 21  Version 7.5 12-Nov-07
21  5.  The construct (?&) was not diagnosed as a syntax error (it referenced the  5.  The construct (?&) was not diagnosed as a syntax error (it referenced the
22      first named subpattern) and a construct such as (?&a) would reference the      first named subpattern) and a construct such as (?&a) would reference the
23      first named subpattern whose name started with "a" (in other words, the      first named subpattern whose name started with "a" (in other words, the
24      length check was missing).      length check was missing). Both these problems are fixed. "Subpattern name
25        expected" is now given for (?&) (a zero-length name), and this patch also
26        makes it give the same error for \k'' (previously it complained that that
27        was a reference to a non-existent subpattern).
28    
29  6.  The erroneous patterns (?+-a) and (?-+a) give different error messages;  6.  The erroneous patterns (?+-a) and (?-+a) give different error messages;
30      this is right because (?- can be followed by option settings as well as by      this is right because (?- can be followed by option settings as well as by
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