16.4.6 Assigning a single role to a series of FrameMaker files
If multiple consecutive FrameMaker files comprise a single bookmap component, use the following syntax to assign the same role to those files:
filename1 = StartSeg role component ...
All topicrefs from all the segment chapter ditamaps are wrapped within one new chapter-level element with no href attribute.
> 16 Configuring DITA maps > 16.4 Mapping FrameMaker files to bookmap components > 16.4.6 Assigning a single role to a series of FrameMaker files