Control keys currently supported: arrows, f6, ?, space, backspace, delete.
Use the browser standard ctrl +/- to resize. Use ? for a 1-character hint; if unavailable, try period
Navigate with mouse or arrow keys; down arrow gets next clue or grid row
Clear a square with spacebar, del, or backspace ; Use ? for a 1-character hint.
Program copyright by Sue Gleason 8/15/2010