Michael Hemmer 9b95f31c05 rm global function io_tag ... introduced Io_traits with public type Io_tag. the default is io_Operator_tag --> rm most io_tag specializations without replacement		2006-11-10 13:36:37 +00:00
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CGAL	rm global function io_tag	2006-11-10 13:36:37 +00:00