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drwxr-xr-x [up]
-rwxr-xr-x 2004-07-31 20:54 +0200 316 isabelle
-rwxr-xr-x 2004-07-31 20:54 +0200 683 isabelle-interface
-rwxr-xr-x 2004-07-31 20:54 +0200 4283 isabelle-process
-rwxr-xr-x 2004-07-31 20:54 +0200 1276 isatool