File: Properties… menu to save Separator and Line Spacing settings and then save into project file.
Separator and Line Spacing settings locate at Numeric Format tab and Text Fonts tab in preference :Options dialog
Labtalk Access:
doc.SepP = 1 or 0 //separator
doc.LineSpace = 1 or 0 //Line Spacing
doc.PWD = 1 or 0 //Password Protected,read-only
doc.AuditLog = 1 or 0 //AuditLog,read-only