June 2008
Intermediate to advanced
986 pages
27h 8m
English
CAll others
CcControl characters
CfFormatting characters
CoPrivate use (reserved by Unicode)
CnNot assigned
The Unicode standard also defines a class of “surrogate”
characters, Cs. These characters
don’t apply to XML documents; by the time a document is parsed, the
surrogate characters no longer exist. For this reason, Cs is not a valid character group.
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