@Chapter
    @Title { Introduction }
    @Tag { intro }
@Begin
a @IndexSpacer A
b @IndexSpacer B
c @IndexSpacer C
d @IndexSpacer D
e @IndexSpacer E
f @IndexSpacer F
g @IndexSpacer G
h @IndexSpacer H
i @IndexSpacer I
j @IndexSpacer J
k @IndexSpacer K
l @IndexSpacer L
m @IndexSpacer M
n @IndexSpacer N
o @IndexSpacer O
p @IndexSpacer P
q @IndexSpacer Q
r @IndexSpacer R
s @IndexSpacer S
t @IndexSpacer T
u @IndexSpacer U
v @IndexSpacer V
w @IndexSpacer W
x @IndexSpacer X
y @IndexSpacer Y
z @IndexSpacer Z
@BeginSections

@Include { intro.overview }
@Include { intro.rationale }

@EndSections
@End @Chapter
