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revision 172 by ph10, Tue Jun 5 10:40:13 2007 UTC revision 211 by ph10, Thu Aug 9 09:52:43 2007 UTC
# Line 157  and not on others), is not supported. It Line 157  and not on others), is not supported. It
157  always 1, and the value of the <i>capture_last</i> field is always -1.  always 1, and the value of the <i>capture_last</i> field is always -1.
158  </P>  </P>
159  <P>  <P>
160  7.  7. The \C escape sequence, which (in the standard algorithm) matches a single
 The \C escape sequence, which (in the standard algorithm) matches a single  
161  byte, even in UTF-8 mode, is not supported because the alternative algorithm  byte, even in UTF-8 mode, is not supported because the alternative algorithm
162  moves through the subject string one character at a time, for all active paths  moves through the subject string one character at a time, for all active paths
163  through the tree.  through the tree.
164  </P>  </P>
165    <P>
166    8. None of the backtracking control verbs such as (*PRUNE) are supported.
167    </P>
168  <br><a name="SEC5" href="#TOC1">ADVANTAGES OF THE ALTERNATIVE ALGORITHM</a><br>  <br><a name="SEC5" href="#TOC1">ADVANTAGES OF THE ALTERNATIVE ALGORITHM</a><br>
169  <P>  <P>
170  Using the alternative matching algorithm provides the following advantages:  Using the alternative matching algorithm provides the following advantages:
# Line 212  Cambridge CB2 3QH, England. Line 214  Cambridge CB2 3QH, England.
214  </P>  </P>
215  <br><a name="SEC8" href="#TOC1">REVISION</a><br>  <br><a name="SEC8" href="#TOC1">REVISION</a><br>
216  <P>  <P>
217  Last updated: 29 May 2007  Last updated: 08 August 2007
218  <br>  <br>
219  Copyright &copy; 1997-2007 University of Cambridge.  Copyright &copy; 1997-2007 University of Cambridge.
220  <br>  <br>

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