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LaTeX resources
Back in November, I wrote:
> I'm about to initiate a group of 1st-year graduate students into the
> mysteries of LaTeX, and in particular to the mysteries of writing
> semantics equations, proof rules, etc., in LaTeX.
> I have my own body of LaTeX2e macros and the source code for my papers
> that they can look at, but I'm looking for other resources they could
> use. In particular:
> (1) What packages do you find helpful for writing semantics papers?
> Please comment on usability, documentation, etc.
> (2) Do you know of any guides to good TeX coding style, particularly
> with respect to the difficulties of typesetting semantics?
Here are some of the replies I received, in some cases with comments
from me.
Thanks to all who contributed-- I now have several different packages
to investigate.
Enjoy!
--Mitch
----------------
> From: Vijay Saraswat <vijay@saraswat.org>
> Would love to know what you come up with. Also, are your macros
> available for others to use?
No, alas. I have not made the effort to organize them into a form
other folks can use. If I do so, I'll post an announcement here.
----------------
> From: Philip Wadler <wadler@research.avayalabs.com>
> I use Benjamin Pierce's macros for inference rules,
> and Paul Taylor's macros for proofs.
------------------------------
> From: Didier Remy <Didier.Remy@inria.fr>
> I have written my own package for typechecking inference rules. Its main
> feature is to enable typesettnig the rules independently of the page layout.
> - Premisses can be written as a list and newlines will automatically be
> inserted so as to fit as many premisses on the same line (explicit new
> lines are also possible).
> - Rules can be written as a list and new lines will automatically be
> inserted so as to fit as many rules as possible on the same line.
> The package is documented. The basic features are (I think) quite simple to
> use. Advanced typesetting options may be less easy, but can be ignored.
> See the url:
> http://cristal.inria.fr/~remy/latex
> [Typesetting Type Inference Rules]
> By the way, you may want to tell your students about whizzytex as well,
> which (I did not think about it before) might be also useful when learning
> Latex:
> WhizzyTeX provides a minor mode for Emacs or XEmacs, a (bash)
> shell-script daemon and some LaTeX macros. It works under Unix with gv
> and xdvi viewers, but the Active-DVI viewer will provided much better
> visual effects and will offer more functionalities.
> See the Url:
> http://pauillac.inria.fr/whizzytex/
I don't use a wysiwyg viewer, but I typically use an xterm window
running a script like
while (1)
make latest.ps
sleep 2
end
along with a Makefile that says things like
.SUFFIXES: .dvi .tex .ps
.tex.dvi:
latex $*
.dvi.ps:
dvips $*.dvi
TARGET = paper # or whatever
latest.ps: $(TARGET).ps
cp $(TARGET).ps latest.ps
I can then run ghostview on latest.ps. The last Makefile recipe makes
sure that latest.ps is almost always a valid file.
---------------------------
> From: "Christian Skalka" <skalka@emba.uvm.edu>
> I like Didier Remy's mathpartir package, which is very
> well-documented at:
> http://pauillac.inria.fr/~remy/latex/
> I mainly use it to typeset inference rules, it does the job very
> well.
------------------------------
> From: John.Reynolds@cs.cmu.edu
> In the mid-eighties, I wrote a collection "diagmac.tex" of macros
> for producing category-theoretic diagrams, and a collection
> "catmac.tex" for various notations of category theory and
> programming language semantics. I've been using them ever since,
> and would recommend them to anyone who likes the appearance of
> of my papers. Surprisingly, they work with modern Latex2e as
> well as they ever did. The biggest defect is that lines in the
> diagrams must have slopes printable by the Latex picture facility.
> These macros are available from my ftp directory, which is pointed
> to by my web page at www.cs.cmu.edu/~jcr. (Read the README in the
> ftp directory.)
> As long as I am on this subject, I'll air a few of my prejudices.
> An underlying theme in programming language semantics is that
> programming languages are mathematical in nature - yet we often
> see texts in semantics in which excerpts from programing languages
> (even theoretical languages that have never bee implemented) are
> set in typewriter font. In contrast, I believe one should make the
> language text look as much like mathematical material as possible.
> For example, programs become much more readable when expressions
> use operators such as \times, \wedge, or \vee, and are spaced the
> same way as in mathematics. It is also very helpful to use several
> sizes of parentheses.
> However, there is one problem. It is vital in the exposition of
> semantics to make clear the distinction between object languages
> and metalanguage. For this reason, it is strongly advisable to set
> object-language variables in a different font than metalanguage
> variables. I usually set object-language variables in sans serif
> and metavariables in italics, which makes the distinction clear
> but not obtrusive.
> When I wrote "Theories of Programming Languages" for Cambridge
> University Press, I did my own typesetting, and as a consequence,
> got a free course in proper mathematical typesetting of mathematics
> from my editor and copyeditor. Probably the most important things
> I learned were:
> (1) To align sequences of formulas on their main operator.
> (2) To leave less vertical space between lines of a multi-line
> formula than between formulas.
> The advanced features of arrays in Latex are very useful for (1).
> As for (2), it is useful to define standard end-of-lines with
> different spacing for use in arrays.
Bob Tennant offered an endorsement of John's macros.
------------------------------
> From: "Vincent Danos" <danos@logique.jussieu.fr>
> I'm using this little known (i think) package
> attached for typing derivations and the like.
Vincent included a copy of bussproofs.sty, which is available at
http://math.ucsd.edu/~sbuss/ResearchWeb/bussproofs . Yiannis
Moschovakis recommends this package in his "Document Preparation for
ASL Publications". He says it is "simple to use (and to debug)
and produces very good output. There are, however, many other
excellent packages which some authors may prefer."
------------------------------
> From: Dan Grossman <danieljg@cs.cornell.edu>
> A draft of my dissertation is available at:
> http://www.cs.cornell.edu/home/danieljg/tldi_draft.pdf
> There you can see dozens of figures full of operational semantics and
> typing judgments.
> I would be happy to share my sources with you and your students. I've
> been pretty pleased with my ability to write latex that is usually still
> readable, at least to me.
> I'm not sure I've developed any guidelines or style other than:
> (a) define a macro for each judgement. For example, write
> \typecheck{\Gamma}{e}{\T} instead of \G\vdash e : \T
> (b) Give the different judgments names. I've been happy with:
> \newcommand \proves[1] {\vdash_{\!\!\!\mbox{\tiny{\textup{{#1}}}}}}
I'd endorse these guidelines enthusiastically. Using a macro means
that the spacing will be the same for all the instances of a
judgement-- something that's almost impossible to get right manually.
And I'd write {\typecheck {\Gamma} {e} {\T}} -- the extra braces help
with missing or extra arguments and the like, and the extra spaces
help readability.
Another trick I've used is to have series of variables, eg
\newcommand\exp[1]{e_{#1}}
That way I can write \exp1, \exp2, or \exp{}, and if I decide to
switch from e to E or G or whatever I can do it in one place.
----------------
> From: Ken Shan <ken@digitas.harvard.edu>
> I find AMS-LaTeX immensely useful; more specifically, the mathematical
> typesetting macros in the amsmath package are a lot better implemented
> than the default ones in LaTeX. For example, the eqnarray environment
> in LaTeX for lining up equations generate way too much whitespace; the
> align environment in AMS-LaTeX does it right. Also useful are \text and
> \DeclareMathOperator.
> The Comprehensive LaTeX Symbol List is great browsing (procrastination?)
> when you're looking for just the right notation.
> The url package deals with line breaking and tildes in file names and
> URLs -- useful in citations.
> If you use Times instead of Computer Modern for body text, be sure that
> your math font is also Times instead of Computer Modern, or the
> combination would look quite ugly. Use either mathtime or txfonts; as a
> bonus, txfonts has more symbols.
> If you ever need a bibliography in the Chicago Manual of Style format,
> my mcbride.bst bibliography style does it better than alternatives
> (http://www.digitas.harvard.edu/cgi-bin/wiki/ken/McBride).
------------------------------
> From: Pierre Lescanne <Pierre.Lescanne@ens-lyon.fr>
> Good topics indeed. Til last summer I used macros of the form
> \newcommand{\inferSideLabel}[4]{
> {#1} \;\;
> \begin{array}{c}
> #2 \\
> \hline \noalign{\vskip 1pt}#3
> \end{array}
> \quad {#4}}
> one for each kind of semantic rule, which my coauthor told me was due
> to some third person.
> Since I changed co-author (only for scientific reasons) and I have
> been convinced to uses "prooftree" style and I am happy, I can tell
> you why, if you wish.
> Since I made a try with LyX, which is nice in other respects, but I
> was disappointed with prooftree in this environment.
------------------------------
> From: Andrei Sabelfeld <andrei@CS.Cornell.EDU>
> > (1) What packages do you find helpful for writing semantics papers?
> > Please comment on usability, documentation, etc.
> My typical paper uses stmaryrd (especially for
> denotational semantics) and amsmath plus sometimes latexsym
> and amssymb. These are all for semantic notation, so
> the documentation doesn't have to be complicated -
> simple tables with commands and their output are enough.
> I also use pstricks and pst-node with their original documentation
> available online - quite useful for drawing simple charts.
> For more complicated charts I use more advanced graphic
> editors and then plug eps-figures using the epsfig package.
> > (2) Do you know of any guides to good TeX coding style, particularly
> > with respect to the difficulties of typesetting semantics?
> Not really. It seems there are many special-purpose
> packages and self-coded macros, but I'm not aware
> of a single authoritative source.
------------------------------
> From: Viktor Kuncak <vkuncak@mit.edu>
> I would just like to mention my very recent positive
> experience in using preview-latex package for Linux.
> The advantage of the package is that it allows editing the
> text in emacs as usual, but then allows selectively
> previewing parts of latex code. The important thing is that
> it work with multiple latex files and it works with
> user-defined macros.
> You may find a quick description of how I got it to work
> properly here:
> http://www.cag.lcs.mit.edu/~vkuncak/pac/resource/auctex.txt
---- End of Digest ---