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revision 148 by ph10, Mon Apr 16 13:25:10 2007 UTC revision 172 by ph10, Tue Jun 5 10:40:13 2007 UTC
# Line 148  not supported, and cause errors if encou Line 148  not supported, and cause errors if encou
148  condition or test for a specific group recursion are not supported.  condition or test for a specific group recursion are not supported.
149  </P>  </P>
150  <P>  <P>
151  5. Callouts are supported, but the value of the <i>capture_top</i> field is  5. Because many paths through the tree may be active, the \K escape sequence,
152    which resets the start of the match when encountered (but may be on some paths
153    and not on others), is not supported. It causes an error if encountered.
154    </P>
155    <P>
156    6. Callouts are supported, but the value of the <i>capture_top</i> field is
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  6.  7.
161  The \C escape sequence, which (in the standard algorithm) matches a single  The \C escape sequence, which (in the standard algorithm) matches a single
162  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
163  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
# Line 207  Cambridge CB2 3QH, England. Line 212  Cambridge CB2 3QH, England.
212  </P>  </P>
213  <br><a name="SEC8" href="#TOC1">REVISION</a><br>  <br><a name="SEC8" href="#TOC1">REVISION</a><br>
214  <P>  <P>
215  Last updated: 06 March 2007  Last updated: 29 May 2007
216  <br>  <br>
217  Copyright &copy; 1997-2007 University of Cambridge.  Copyright &copy; 1997-2007 University of Cambridge.
218  <br>  <br>
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