Differences between version 2 and predecessor to the previous major change of perlunicode(1).
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Newer page: | version 2 | Last edited on Monday, June 3, 2002 6:50:53 pm | by perry | Revert |
Older page: | version 1 | Last edited on Monday, June 3, 2002 6:50:53 pm | by perry | Revert |
@@ -185,10 +185,10 @@
character with the Unicode uppercase property, while
p{M} matches any mark character. Single letter
properties may omit the brackets, so that can be written
pM also. Many predefined character classes are
-available, such as p{IsMirrored} and
-p{InTibetan}.
+available, such as p{!
IsMirrored} and
+p{!
InTibetan}.
The special pattern X match matches any extended
Unicode sequence (a ``combining character sequence'' in
@@ -249,9 +249,9 @@
character data. However, for backward compatibility reasons
(bit string operations when the characters all are less than
256 in ordinal value) one cannot mix ~ (the bit
complement) and characters both less than 256 and equal or
-greater than 256. Most importantly, the DeMorgan's laws
+greater than 256. Most importantly, the !
DeMorgan's laws
(~($x$y) eq ~$x, ~($x
) won't hold. Another way to look at this is that
the complement cannot return __both__ the 8-bit (byte)
wide bit complement, and the full character wide bit