K 10 svn:author V 2 jb K 8 svn:date V 27 1998-06-06T07:24:24.000000Z K 7 svn:log V 247 Simplify the handling of thread specific data. Only track if a key is allocated or not, rather than keeping a count and attempting to know it it is in-use. POSIX says that once a key is deleted, using the key again results in undefined behaviour. END