"Source: Text/System/State.text";
"Line: 198";
"Date: Thu Sep 25 21:32:21 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/System/State.text, line: 198
// Example: H1E3 ()
print "Example: H1E3";
ei := GetEchoInput();
SetEchoInput(true);
s := [ [1], [1, 2], [1, 2, 3] ];
s;
s[2, 2] := -1;
s;
SetEchoInput(ei);
