Read Environment Text Area Variables

Reads a variable set by a text area tag and separates the text lines.

1 W3START            (I4)       /* io/m : Offset to be started at
*                               /*        out: 0 no occurrences
*                               /*        out: >0 more occurrences
1 W3NAME             (A072)     /* i /m : Name of variable
1 W3VALUESERVER      (A1)       /* i /m : Search for variables in
*                               /*        'S' server
*                               /*        'P' page or URL
*                               /*        ' ' both
1 W3ARRAYCOUNTER     (A250/1:V) /* io/m : Length of array,
                                /*        returned values
1 W3ARRAYVALUE       (I4/1:V)   /*  o/m : Value of variables 
1 W3ARRAYVALUELENGTH (I4)       /*  o/m : Length of variables
1 W3ARRAYMAXIMUM                /*  o/m : Total number of variables

PERFORM W3READ-ENVIRONMENT-TEXTAREA W3START W3NAME
        W3VALUESERVER W3ARRAYCOUNTER(*)
        W3ARRAYVALUE(*) W3ARRAYVALUELENGTH(*)
        W3ARRAYMAXIMUM