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drwxr-xr-x [up]
-rwxr-xr-x 2006-10-20 18:22 +0200 505 isabelle
-rwxr-xr-x 2006-10-20 18:22 +0200 761 isabelle-interface
-rwxr-xr-x 2006-10-20 18:22 +0200 4710 isabelle-process
-rwxr-xr-x 2006-10-20 18:22 +0200 1343 isatool