[Rd] classes and namespaces, continued

[John Chambers]

Some more fixes have been committed to r-devel, again with the aim of
making S4 classes, including non-exported classes, work with
namespaces.  (This is inevitably an iterative process of finding
examples where only the class name, without the relevant
package/environment, is passed down.)

John
-- 
John M. Chambers                  jmc at bell-labs.com
Bell Labs, Lucent Technologies    office: (908)582-2681
700 Mountain Avenue, Room 2C-282  fax:    (908)582-3340
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