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revision 926 by ph10, Fri Dec 30 19:32:50 2011 UTC revision 927 by ph10, Wed Feb 22 15:15:08 2012 UTC
# Line 285  Character classes Line 285  Character classes
285    
286  If there is only one character in the class, OP_CHAR or OP_CHARI is used for a  If there is only one character in the class, OP_CHAR or OP_CHARI is used for a
287  positive class, and OP_NOT or OP_NOTI for a negative one (that is, for  positive class, and OP_NOT or OP_NOTI for a negative one (that is, for
288  something like [^a]). However, OP_NOT[I] can be used only with single-unit  something like [^a]).
 characters, so in UTF-8 (UTF-16) mode, the use of OP_NOT[I] applies only to  
 characters whose code points are no greater than 127 (0xffff).  
289    
290  Another set of 13 repeating opcodes (called OP_NOTSTAR etc.) are used for  Another set of 13 repeating opcodes (called OP_NOTSTAR etc.) are used for
291  repeated, negated, single-character classes. The normal single-character  repeated, negated, single-character classes. The normal single-character
# Line 467  item giving the length of the next item. Line 465  item giving the length of the next item.
465    
466    
467  Philip Hazel  Philip Hazel
468  December 2011  February 2012
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