Whew! For awhile there, I thought I had really gone crazy!
You seem to have assigned certain features to the
printdoclayout.xml file that were simply not designed to have.
The printdoclayout.xml file contains the following sections:
<stylemapping> lists all paragraph and character styles in
the Printed Documentation layout; <tocstructure> lists the
books and topics you selected to appear in that Printed
Documentation layout; <sectionlist> lists the elements you
selected to include (title page, Index, etc.) in that Printed
Documentation layout; and some formatting stuff in
<robopdfgeneratorsettings />. This file is pointed to by the
.SSL file that has the name you assigned to the Printed
Documentation layout.
One default printdoclayout.xml file (and matching named SSL
file) is created by RH when you create a project.
When you create a new Printed Documentation layout (say,
Chapter 1), RH creates a printdoclayout(2).xml file and Chapter
1.SSL file for you.
When you create a new Printed Documentation layout (say,
Chapter 2), RH creates a printdoclayout(3).xml file and Chapter
2.SSL file for you.
When you create a new Printed Documentation layout (say,
Chapter 3), RH creates a printdoclayout(3).xml file and Chapter
3.SSL file for you.
etc.
etc.
etc.
The bottom line is this: these files only relate to specific
Printed Documentation layouts, and do not affect the project or
other outputs.
Good luck,
Leon