--- code/trunk/doc/html/pcrematching.html 2007/08/09 09:52:43 211 +++ code/trunk/doc/html/pcrematching.html 2008/04/28 15:10:02 345 @@ -163,7 +163,8 @@ through the tree.

-8. None of the backtracking control verbs such as (*PRUNE) are supported. +8. Except for (*FAIL), the backtracking control verbs such as (*PRUNE) are not +supported. (*FAIL) is supported, and behaves like a failing negative assertion.


ADVANTAGES OF THE ALTERNATIVE ALGORITHM

@@ -214,9 +215,9 @@


REVISION

-Last updated: 08 August 2007 +Last updated: 19 April 2008
-Copyright © 1997-2007 University of Cambridge. +Copyright © 1997-2008 University of Cambridge.

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