The "libs" files are now under a "tags" subdirectory.
The "libs" files are now under a "tags" subdirectory.

(Related to the server auto-publishing new tags and branches, configured
to do that in "~ftp/pub/racket/libs/{heads,tags}" respectively.)

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket