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README file: <IDL_Directory>
               lib
                 obsolete
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This directory contains .pro files that define IDL routines
that have become obsolete. The routines included in this
directory will still function properly with IDL, but are
no longer recommended for inclusion in new code. See the
"Obsolete Routines" chapter of the IDL Reference Guide (or
Online Help) for information on ITT Visual Information Solutions'
policies on obsolete routines.
