/[pcre]/code/trunk/doc/Tech.Notes
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revision 77 by nigel, Sat Feb 24 21:40:45 2007 UTC revision 87 by nigel, Sat Feb 24 21:41:21 2007 UTC
# Line 309  Recursion Line 309  Recursion
309    
310  Recursion either matches the current regex, or some subexpression. The opcode  Recursion either matches the current regex, or some subexpression. The opcode
311  OP_RECURSE is followed by an value which is the offset to the starting bracket  OP_RECURSE is followed by an value which is the offset to the starting bracket
312  from the start of the whole pattern.  from the start of the whole pattern. From release 6.5, OP_RECURSE is
313    automatically wrapped inside OP_ONCE brackets (because otherwise some patterns
314    broke it). OP_RECURSE is also used for "subroutine" calls, even though they
315    are not strictly a recursion.
316    
317    
318  Callout  Callout
# Line 336  at compile time, and so does not cause a Line 339  at compile time, and so does not cause a
339  data.  data.
340    
341  Philip Hazel  Philip Hazel
342  March 2005  January 2006

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