%% @txtfile{
%% filename = "amsppt.faq",
%% version = "2.2",
%% date = "2001/08/07",
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%% keywords = "amstex, ams-tex, tex",
%% abstract = "This file contains frequently asked questions and
%% answers concerning AMS-TeX, and in particular how
%% to cope with ``missing'' features and features of
%% the preprint documentstyle (amsppt) that are
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Frequently asked questions about AMS-TeX and amsppt.sty.
1) Why does the bottom of every page get cut off when \magnification
is used?
2) How can I prepare a two-column index for a book using AMS-TeX?
3) I need 12pt type in my paper. How do I get it?
4) I need to put a footnote in my bibliography, but it disappears.
How do I get it to print out?
5) A page ending with a theorem is shorter than other pages. Why?
6) Why am I getting a label ``E-mail address'' at the end of my paper
with no data?
7) I need diagonal arrows in my commutative diagrams. How do I
get them?
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1) Why does the bottom of every page get cut off when \magnification
is used?
Version 2.1 of amsppt.sty was modified (in January 1997) to make the
output dimensions the same as those for the majority of AMS publications,
in particular journals. This made it possible to simplify quite radically
the AMS ``author packages'' for particular publications, thus (in the
long run) avoiding questions that were demanding scarce support time.
One of the January 1997 changes consisted in positioning the running
head, i.e. the top of the type block, at the exact top of the normal
print area, rather than ``above'' the print area as is the default in
plain TeX. Although the default setting for laser printers starts the
printing 1in down from the top edge of the paper, on a typesetter, that
setting is traditionally 0 (to avoid wasting the expensive photographic
medium), and unless special measures are taken, the running heads would
print ``above'' the top, often overprinting something else or being lost
off the edge, resulting in even greater waste of materials and time.
In addition, running heads ``above'' the print area could not be checked
in the previewers used at AMS.
The earlier behavior can be restored by specifying
\voffset-2pc
when processing a document with amsppt.sty. This command is present,
but commented out, in the file amsppt.sti, a file intended for the
specification of local defaults. Since amsppt.sti is automatically
read in by amsppt.sty, uncommenting the relevant command would adjust
the position of output on paper sufficiently to accommodate magnification
up to \magstep 1.
Note that no AMS publication uses magnification as a technique for
providing larger type; if larger type is desired, that is encoded into
the relevant author package by providing additional fonts.
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2) How can I prepare a two-column index for a book using AMS-TeX?
AMS-TeX was originally intended to provide only features to make it
easier to typeset mathematical content -- display equations, theorems,
and similar material. Niceties of formatting were to be provided by
other packages such as LaTeX. Things didn't quite turn out that way,
and AMS-TeX and LaTeX didn't merge as readily as was once hoped.
It is still not planned to add advanced formatting features, including
double columns, to AMS-TeX. However, some simple macros can be defined
and used in an AMS-TeX source file to produce an .idx file, which can
then be processed by the makeindex program. (Makeindex is included
with all standard TeX distributions.) The resulting .ind file can be
processed separately through (AMS-)LaTeX to create a two-column index.
Macros compatible with makeindex and plain TeX (and therefore AMS-TeX)
can be found on CTAN, in the area
/tex-archive/macros/texsis/index/
Read the documentation that comes with makeindex and the comments in
the file index.tex for instructions.
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3) I need 12pt type in my paper. How do I get it?
This size isn't needed in most AMS publications, but when it is, it is
defined for the author packages that need it. In particular, \twelvepoint
is defined in the file ams-spec.sty, which is used with monographs and
book proceedings. (\elevenpoint is also defined in ams-spec.sty.)
The file amsspec.sty can be obtained as part of the gen-m (generic book)
author package from the AMS web server:
http://www.ams.org/tex/author-info.html
Create a file called myfonts.tex. Begin that file with the line
\savecat @
and end it with the line
\restorecat @
Copy the definition of \twelvepoint and all associated \font@ commands
from amsspec.sty into myfonts.tex. Then include the command
\input myfonts
in the preamble of your document file.
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4) I need to put a footnote in my bibliography, but it disappears.
How do I get it to print out?
Not only the footnote disappears, but also the element of the reference
to which the footnote is attached. This happens because the parts of
the footnote are boxed during processing, and footnotes disappear from
boxed material. The solution is to use \footnotemark in the reference,
and \footnotetext{...} after \endref.
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5) A page ending with a theorem is shorter than other pages. Why?
If a page break occurs between two theorems, or between any combination
of adjacent theorem or proof (\proclaim or \demo), the space following
the first one will fall before a favorable penalty and will not be
removed at the bottom of the page. This is due to a bug, in which the
vertical space preceding a theorem or proof will be removed only if it
is less than the space to be added In AMS style, the space above is
the same as the space below, so what should have been done is test for
a space less than or equal to the space to be added; however, to change
this now could cause changes in the paging of existing documents.
In order to get rid of the extra space, put \pagebreak immediately
before the \endproclaim or \enddemo at the bottom of the page; this
should, of course, be done only for the final run.
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6) Why am I getting a label ``E-mail address'' at the end of my paper
with no data?
In the topmatter templates for AMS author packages, all possible tags
for subject and author information are included for convenience. If
any of these are left in your file with no data, ``empty'' footnotes
can appear on the first page (for \subjclass or \keywords), or labels
associated with author addresses can appear at the end of a paper with
no data. Checking for ``empty'' tags isn't easily accomplished, so an
author should make sure that any tag that doesn't have data is removed
or commented out.
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7) I need diagonal arrows in my commutative diagrams. How do I
get them?
The \CD structure of AMS-TeX provides only vertical and horizontal
connectors. To get diagonal connectors, it is necessary to use another
package. XY-pic, by Kristoffer Rose, provides many more facilities
than \CD, and it is compatible with AMS-TeX. XY-pic can be found on
CTAN, in the area
/tex-archive/macros/generic/diagrams/xypic/
Be sure to read the excellent documentation, xyguide, which is available
in dvi, PostScript and PDF form, ready to print.
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