@end titlepage command on a line by itself not only marks
the end of the title and copyright pages, but also causes TeX to start
generating page headings and page numbers.
To repeat what is said elsewhere, Texinfo has two standard page heading
formats, one for documents which are printed on one side of each sheet of paper
(single-sided printing), and the other for documents which are printed on both
sides of each sheet (double-sided printing).
You can specify these formats in different ways:
@setchapternewpagecommand before the title page commands, and then have the
@end titlepagecommand start generating page headings in the manner desired. (See section
@headingscommand to prevent page headings from being generated or to start them for either single or double-sided printing. (Write an
@headingscommand immediately after the
@end titlepagecommand. See section The
@headingsCommand, for more information.)
Most documents are formatted with the standard single-sided or
double-sided format, using
@setchapternewpage odd for
double-sided printing and no
@setchapternewpage command for
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