Your code seems to work the way you thought it would. I just had to expand the height of the rows to have it displayed.
![txnelson_0-1680866038312.png txnelson_0-1680866038312.png](https://community.jmp.com/t5/image/serverpage/image-id/51803iDCEDEAF83D8471D2/image-size/medium?v=v2&px=400)
names default to here(1);
dt =
// Open Data Table: Big Class.jmp
// → Data Table( "Big Class" )
Open( "$SAMPLE_DATA/Big Class.jmp" );
:name[1] = "A\!nB"
Jim