MarkP/LMark pen and line style
Pen and line style mark options.
Select the option on the dialogue box: Pen and Line, Pen number or Line
Style.
Pen and Line will unmark the selected pen and line style. Pen number will
only mark the selected pen number and Line Style will mark the selected
line style.
Use the Hilite - Mark command under the DISPL menu to see clearly what is currently marked.