/[pcre]/code/trunk/doc/pcresyntax.3
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revision 210 by ph10, Wed Aug 8 14:24:50 2007 UTC revision 211 by ph10, Thu Aug 9 09:52:43 2007 UTC
# Line 351  Each top-level branch of a look behind m Line 351  Each top-level branch of a look behind m
351  .SH "BACKTRACKING CONTROL"  .SH "BACKTRACKING CONTROL"
352  .rs  .rs
353  .sp  .sp
354  The following act immediately they are reached:  The following act immediately they are reached:
355  .sp  .sp
356    (*ACCEPT)      force successful match    (*ACCEPT)      force successful match
357    (*FAIL)        force backtrack; synonym (*F)    (*FAIL)        force backtrack; synonym (*F)
358  .sp  .sp
359  The following act only when a subsequent match failure causes a backtrack to  The following act only when a subsequent match failure causes a backtrack to
360  reach them. They all force a match failure, but they differ in what happens  reach them. They all force a match failure, but they differ in what happens
361  afterwards. Those that advance the start-of-match point do so only if the  afterwards. Those that advance the start-of-match point do so only if the
362  pattern is not anchored.  pattern is not anchored.
363  .sp  .sp
364    (*COMMIT)      overall failure, no advance of starting point    (*COMMIT)      overall failure, no advance of starting point
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