How to download and try this example
Usage: pl -gif annot2.htm
#proc page pagesize: 6 5 #proc annotate location: 3 4.6 textdetails: size=14 text: Annotation examples #proc annotate location: 3 4 arrowhead: 3.2 4.5 text: Example one #proc annotate location: 3 3.5 arrowhead: 2 4 arrowhead2: 4 4 box: no backcolor: yellow text: Example two, with two arrows #proc annotate location: 3 3 arrowhead: 1.8 3 box: no bevelsize: 0.07 backcolor: lightorange text: Example three #proc annotate location: 3 2.5 arrowhead: 4.1 2.6 box: width=2 color=blue arrowdetails: width=2 color=blue arrowheadsize: 0.3 backcolor: pink text: Example four, with fat lines #proc annotate location: 3 2 arrowhead: 2 1 arrowhead2: 4 1.3 textdetails: size=8 box: yes text: Example five, with two arrows again #proc annotate location: 3 1.1 arrowhead: 3.2 0.5 box: yes backcolor: limegreen //bevelsize: 0.05 shadowsize: 0.05 boxmargin: 0.2 text: Example six