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revision 869 by ph10, Sat Jan 14 11:16:23 2012 UTC revision 878 by ph10, Sun Jan 15 15:44:47 2012 UTC
# Line 543  the pattern. It is recognized always. Th Line 543  the pattern. It is recognized always. Th
543  digits inside the braces; invalid values provoke error messages.  digits inside the braces; invalid values provoke error messages.
544  </P>  </P>
545  <P>  <P>
546  Note that \xhh specifies one byte in UTF-8 mode; this makes it possible to  Note that \xhh specifies one byte rather than one character in UTF-8 mode;
547  construct invalid UTF-8 sequences for testing purposes. On the other hand,  this makes it possible to construct invalid UTF-8 sequences for testing
548  \x{hh} is interpreted as a UTF-8 character in UTF-8 mode, generating more than  purposes. On the other hand, \x{hh} is interpreted as a UTF-8 character in
549  one byte if the value is greater than 127. When testing the 8-bit library not  UTF-8 mode, generating more than one byte if the value is greater than 127.
550  in UTF-8 mode, \x{hh} generates one byte for values less than 256, and causes  When testing the 8-bit library not in UTF-8 mode, \x{hh} generates one byte
551  an error for greater values.  for values less than 256, and causes an error for greater values.
552  </P>  </P>
553  <P>  <P>
554  In UTF-16 mode, all 4-digit \x{hhhh} values are accepted. This makes it  In UTF-16 mode, all 4-digit \x{hhhh} values are accepted. This makes it
# Line 923  Cambridge CB2 3QH, England. Line 923  Cambridge CB2 3QH, England.
923  </P>  </P>
924  <br><a name="SEC16" href="#TOC1">REVISION</a><br>  <br><a name="SEC16" href="#TOC1">REVISION</a><br>
925  <P>  <P>
926  Last updated: 13 January 2012  Last updated: 14 January 2012
927  <br>  <br>
928  Copyright &copy; 1997-2012 University of Cambridge.  Copyright &copy; 1997-2012 University of Cambridge.
929  <br>  <br>

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