You can change the line style and line width of the precedence connections by specifying the LPREC= and WPREC= options in the CHART statement. title f=swiss 'Gantt Example 18'; title2 f=swiss 'Logic ...

For purity’s sake, these diagrams must also be “simple”, meaning no more than two curves cross at any point. Previously, examples for ... for working out simple logical puzzles,” Cameron ...