#N canvas 10 40 620 460 10; #X declare -lib Gem; #X obj 196 258 gemwin; #X obj 8 10 cnv 15 400 40 empty empty gemwin 20 12 0 24 -228992 -66577 0; #X msg 138 180 create; #X msg 245 181 destroy; #X text 12 89 The most basic element in Gem is the gemwin \, which displays the world that you are creating. Here's how you open and close the gemwin:; #X connect 2 0 0 0; #X connect 3 0 0 0;