Name

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      ASTROLIB

Purpose

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      Add the non-standard system variables used by the IDL Astronomy Library

Explanation

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      Also defines the environment variable ASTRO_DATA pointing to the
      directory containing data files associated with the IDL Astronomy
      library (system dependent -- user must edit the third line in the
      program below).

Calling Sequence

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      ASTROLIB

Inputs

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      None.

Outputs

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      None.

Method

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      The non-standard system variables !PRIV, !TEXTUNIT, and
      !TEXTOUT are added using DEFSYSV.

Revision History

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      Written, Wayne Landsman, July 1986.
      Use DEFSYSV instead of ADDSYSVAR December 1990
      Test for system variable existence before definition July 2001
      Assume since V55, remove VMS support W. Landsman Sep 2006
      Remove !Debug, comment out ASTRO_DATA definition WL Jan 2009