Variables Strings

1# Predefined variables are ordinary strings; both spellings are supported.2page=canvas(size=(110mm,80mm),background="#ffffff")3options=[round,"round",triangle,"triangle"]4if options[0]==options[1] {5    for i in range(2) {6        page.add(line(length=60mm,line_width=1.5mm,start_cap=options[i],end_head=head(shape=options[i+2],size=(6mm,5mm)),line_color="#087f8c"),offset=(15mm,20mm+i*18mm))7    }8}9# This user binding wins over the predefined round value in this scope.10round="square"11page.add(line(length=60mm,line_width=1.5mm,start_cap=round,end_cap=square,line_color="#e36b70"),offset=(15mm,58mm))12page.add(text("Two equivalent heads; then a shadowed square cap",font_size=8pt),offset=(8mm,70mm))