+ @}
+ @}
+@}
+@end example
+
+The header and footer are created by the functions
+@code{make-header} and @code{make-footer}, defined in
+@code{\paper}. The default implementations are in
+@file{ly/@/paper@/-defaults@/-init@/.ly} and
+@file{ly/@/titling@/-init@/.ly}.
+
+This example centers page numbers at the bottom of every page.
+
+@example
+\paper @{
+ print-page-number = ##t
+ print-first-page-number = ##t
+ oddHeaderMarkup = \markup \fill-line @{ " " @}
+ evenHeaderMarkup = \markup \fill-line @{ " " @}
+ oddFooterMarkup = \markup @{
+ \fill-line @{
+ \bold \fontsize #3
+ \on-the-fly #print-page-number-check-first
+ \fromproperty #'page:page-number-string
+ @}
+ @}
+ evenFooterMarkup = \markup @{
+ \fill-line @{
+ \bold \fontsize #3
+ \on-the-fly #print-page-number-check-first
+ \fromproperty #'page:page-number-string
+ @}
+ @}
+@}
+@end example
+