texinfo: Cropmarks and Magnification

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21.14 Cropmarks and Magnification
=================================

You can (attempt to) direct TeX to print cropmarks at the corners of
pages with the '@cropmarks' command.  Write the '@cropmarks' command on
a line by itself near the beginning of the Texinfo file, before the
title page, like this:

     @cropmarks

  This command is mainly for printers that typeset several pages on one
sheet of film; but you can attempt to use it to mark the corners of a
book set to 7 by 9.25 inches with the '@smallbook' command.  (Printers
will not produce cropmarks for regular sized output that is printed on
regular sized paper.)  Since different printing machines work in
different ways, you should explore the use of this command with a spirit
of adventure.  You may have to redefine the command in 'texinfo.tex'.

  The '@cropmarks' command is recognized and ignored in non-TeX output
formats.

  You can attempt to direct TeX to typeset pages larger or smaller than
usual with the '\mag' TeX command.  Everything that is typeset is scaled
proportionally larger or smaller.  ('\mag' stands for "magnification".)
This is _not_ a Texinfo @-command, but is a raw TeX command that is
prefixed with a backslash.  You have to write this command between
'@tex' and '@end tex' (Note: Raw Formatter Commands).

  Follow the '\mag' command with an '=' and then a number that is 1000
times the magnification you desire.  For example, to print pages at 1.2
normal size, write the following near the beginning of the Texinfo file,
before the title page:

     @tex
     \mag=1200
     @end tex

  With some printing technologies, you can print normal-sized copies
that look better than usual by giving a larger-than-normal master to
your print shop.  They do the reduction, thus effectively increasing the
resolution.

  Depending on your system, DVI files prepared with a nonstandard-'\mag'
may not print or may print only with certain magnifications.  Be
prepared to experiment.