Clarity for lexicographers. Stability for data. Compatibility for the future.
10.1.49. <front>
<front> (front matter) contains any prefatory matter (headers, abstracts, title page, prefaces, dedications, etc.) found at the start of a document, before the main body. [4.6. Title Pages4. Default Text Structure]
Because cultural conventions differ as to which elements are grouped as front matter and which as back matter, the content models for the <front> and <back> elements are identical.
Example
<front><epigraph><quote>Nam Sibyllam quidem Cumis ego ipse oculis meis vidi in ampulla
pendere, et cum illi pueri dicerent: <q xml:lang="grc">Σίβυλλα τί
θέλεις</q>; respondebat illa: <q xml:lang="grc">ὰποθανεῖν θέλω.</q></quote></epigraph><div type="dedication"><p>For Ezra Pound <q xml:lang="it">il miglior fabbro.</q></p></div></front>
Example
<front><div type="dedication"><p>To our three selves</p></div><div type="preface"><head>Author's Note</head><p>All the characters in this book are purely imaginary, and if the
author has used names that may suggest a reference to living persons
she has done so inadvertently. ...</p></div></front>
Example
<front><div type="abstract"><div><head> BACKGROUND:</head><p>Food insecurity can put children at greater risk of obesity because
of altered food choices and nonuniform consumption patterns.</p></div><div><head> OBJECTIVE:</head><p>We examined the association between obesity and both child-level
food insecurity and personal food insecurity in US children.</p></div><div><head> DESIGN:</head><p>Data from 9,701 participants in the National Health and Nutrition
Examination Survey, 2001-2010, aged 2 to 11 years were analyzed.
Child-level food insecurity was assessed with the US Department of
Agriculture's Food Security Survey Module based on eight
child-specific questions. Personal food insecurity was assessed with
five additional questions. Obesity was defined, using physical
measurements, as body mass index (calculated as kg/m2) greater than
or equal to the age- and sex-specific 95th percentile of the Centers
for Disease Control and Prevention growth charts. Logistic
regressions adjusted for sex, race/ethnic group, poverty level, and
survey year were conducted to describe associations between obesity
and food insecurity.</p></div><div><head> RESULTS:</head><p>Obesity was significantly associated with personal food insecurity
for children aged 6 to 11 years (odds ratio=1.81; 95% CI 1.33 to
2.48), but not in children aged 2 to 5 years (odds ratio=0.88; 95%
CI 0.51 to 1.51). Child-level food insecurity was not associated
with obesity among 2- to 5-year-olds or 6- to 11-year-olds.</p></div><div><head> CONCLUSIONS:</head><p>Personal food insecurity is associated with an increased risk of
obesity only in children aged 6 to 11 years. Personal
food-insecurity measures may give different results than aggregate
food-insecurity measures in children.</p></div></div></front>