/************************************************************************************
d1.index
Indexing of paths.
Input a four digit hexadecimal number in the input text field, and type return.
Should display the low bit of the high digit in the output text field.
Check values ffef and 0010 generate 0 and 1, repectively.
Check program.print to ensure reprints properly.
************************************************************************************/

path opd[ 16 ];
input( "opd", 10, 50, 16, 16 ) { out opd };
{ in opd[ 4 ] } output( "opd[ 4 ]", 10, 100, 16, 1 );