What: array name string matching extension
 Where: From the contact
 Description: A small extension to tclVar to allow a pattern to be
        used with the "array names" command.  An array used as a
        2D-array by having elements of the form: matrix(x,y) could be
        accessed by: array names matrix "1,*" to return all elements in
        the first column.
 Contact: mailto:sau@dspg.com (Stephen A Uhler)

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