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version 1.1.1.2, 2012/02/21 23:50:25 version 1.1.1.3, 2012/10/09 09:19:18
Line 107  in the Line 107  in the
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11. If (*THEN) is present in a group that is called as a subroutine, its action11. If any of the backtracking control verbs are used in an assertion or in a
is limited to that group, even if the group does not contain any | characters.subpattern that is called as a subroutine (whether or not recursively), their
 effect is confined to that subpattern; it does not extend to the surrounding
 pattern. This is not always the case in Perl. In particular, if (*THEN) is
 present in a group that is called as a subroutine, its action is limited to
 that group, even if the group does not contain any | characters. There is one
 exception to this: the name from a *(MARK), (*PRUNE), or (*THEN) that is
 encountered in a successful positive assertion <i>is</i> passed back when a
 match succeeds (compare capturing parentheses in assertions). Note that such
 subpatterns are processed as anchored at the point where they are tested.
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 12. There are some differences that are concerned with the settings of captured  12. There are some differences that are concerned with the settings of captured
Line 129  an error is given at compile time. Line 137  an error is given at compile time.
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 14. Perl recognizes comments in some places that PCRE does not, for example,  14. Perl recognizes comments in some places that PCRE does not, for example,
 between the ( and ? at the start of a subpattern. If the /x modifier is set,  between the ( and ? at the start of a subpattern. If the /x modifier is set,
Perl allows whitespace between ( and ? but PCRE never does, even if thePerl allows white space between ( and ? but PCRE never does, even if the
 PCRE_EXTENDED option is set.  PCRE_EXTENDED option is set.
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Line 203  Cambridge CB2 3QH, England. Line 211  Cambridge CB2 3QH, England.
 REVISION  REVISION
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Last updated: 08 Januray 2012Last updated: 01 June 2012
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 Copyright &copy; 1997-2012 University of Cambridge.  Copyright &copy; 1997-2012 University of Cambridge.
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Removed from v.1.1.1.2  
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  Added in v.1.1.1.3

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