Plain TeX is Knuth's original default format for TeX documents.

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6
votes
1answer
122 views

amstex: operator definition error

I can't understand why the following code give me an error \input amstex.tex $\mathop{\rm arctg}(x)$ \bye Thus, the input does not work with my macros that include the use of \rm, \mathop, etc., ...
1
vote
0answers
32 views

headlines are not shown with tikz input (plain TeX) [duplicate]

I'm usign plain TeX with custom headlines. If I load Tikz packages with \input tikz then headlines are blank. The following are my headlines (some commands don't belong to plain TeX, but I think ...
9
votes
2answers
510 views

Embedding a flv (or mp4) video using pdfTeX (plain TeX only)

I am attempting to find out how to embed a flv video in a pdf file created using plain TeX and pdfTeX. I was successful at manually (via Adobe Acrobat's menu: Tools->Multimedia->Video Tool) embedding ...
18
votes
4answers
3k views

How to compile the source code of TeX

I am more and more interested in the system TeX (and LaTeX) and I want to study it more deeply. I am not telling that I want to learn how to use it, but I want to understand its mechanism now. The ...
4
votes
2answers
95 views

How to put some comment-like text in a formula?

I have the following formula: $$\bot \dashv\vdash \bot \land A /* not derivable */$$ But the phrase /* not derivable */ doesn't show correctly. For example there is space between / and *, but no ...
47
votes
2answers
2k views

Electronic version of Knuth's “TeXbook”?

I have a printed copy of the TeXbook (from D.E. Knuth) at home. Now that I travel a lot, I don't want to take my library with me every time. Question: Is there a legal way to obtain (=purchase) a PDF ...
15
votes
1answer
645 views

When does TeX execute the \catcode=`\… assignment?

TeX always scans the input and converts it into some tokens, then expands some tokens according to the latest definition of that command ... stomach -> lists -> page but when does TeX execute the ...
8
votes
4answers
234 views

Special macro definition (2opt, 1mand)

How can you define a macro \cmd in TeX primitives using two optional arguments (and a mandatory one) that fulfills the property that calling \cmd[opt]{mand} is equivalent to \cmd[][opt]{mand}. Yet, I ...
6
votes
2answers
410 views

How to not have widows and orphans without using raggedbottom

I know I can set \clubpenalty and \widowpenalty to 10 000 to make them “really bad”, but then TeX sees it equally bad to cut the page short when there is no vertical stretch (i.e. \parskip=0pt), and ...
4
votes
2answers
174 views

Change display style in xlop package

I recently discovered the package xlop to typeset automatically elementary school calculations. Using this for division for example like this, gives the output below. \documentclass{article} ...
5
votes
1answer
85 views

Doubts about hbox behavior

Why when I write a hbox at the beginning of a paragraph, TeX puts the next word in the next line, but when the paragraph starts with a 'normal' letter TeX puts all together in a line? i.e. : ...
3
votes
2answers
168 views

Kind of spurious space

I'm trying to write a \spaced macro: it takes a string as parameter, decompose that string and then recompose it spreading avery token from the others according to a given \spreadratio. Here are the ...
10
votes
2answers
145 views

Plain TeX macros contains \par as parameter delimiter, but doesn't work with \obeylines, why?

I just wanted to format a .csv file, so I do a test (1), shown as below: \global\let\xpar=\par \def\format#1,#2,#3\par{$#1\times #2=#3$\xpar} \begingroup \everypar={\format}\obeylines% 11,2,22 ...
2
votes
1answer
744 views

How to convert “plain TeX” to LaTeX

I want to convert to LaTeX from plain TeX. I try use Emacs, but I can't. The document is this.
1
vote
1answer
179 views

How to write a parameter-driven macro?

An specific question is as follows: I hope that I can define a macro that can switch to different typefaces. We assume that this macro is named \myfonts, so, if I type {\myfonts throughout his ...
12
votes
1answer
178 views

How to get the natural width of the last box in a paragraph?

I want to get the natural width of the last line in a paragraph. For example, the last line of the following paragraph Georg Friedrich Bernhard Riemann (September 17, 1826 – July 20, 1866) was an ...
4
votes
1answer
219 views

Getting the current page in plain TeX

What was the control sequence to get the current page in plain TeX? I thought it was \thepage, and this works in LaTeX, but it returns a undefined-control-sequence error in plain TeX.
10
votes
1answer
217 views

How to install or replace fonts in old TeX files?

I got interested in a research paper from 1991, which I cannot get an electronic online version of. The author was kind enough to send me his tex sources, but is himself unable to produce a pdf file ...
9
votes
1answer
237 views

Why I can't use \footnote inside \vbox or \hbox in horizontal mode?

The definition of \footnote is as follows in plain TeX % all from the Appendix B of The TeXbook \newinsert\footins \def\footnote#1{\let\@sf=\empty % parameter #2 (the text) is read later ...
10
votes
2answers
300 views

How to put signature number in footer (derived from page number)?

To make my book easier to bind I'd like to automatically put the signature number with small type in the footer of the first page of each octavo signature (except the first one which is given since it ...
8
votes
2answers
144 views

How can we decide a glue or a kern when we are writing a macro?

I don't know if I am right. Let's read the codes :) \setbox0=\vbox{a\par \vskip2pt \kern2pt b} \showbox0 the snippet of the log file: .\glue 2.0 .\kern 2.0 .\glue(\parskip) 0.0 plus 1.0 ...
6
votes
2answers
273 views

In plain tex, how to use Small Caps in equations?

In LaTeX, we can write $T_{\textsc{max}}$ In plain TeX, we can do thing like \font\scshape=cmcsc10 {\scashape max}. But this method does not work inside $$. We cannot write ...
12
votes
2answers
919 views

How to use OpenType fonts with plain-LuaTeX?

Is it possible to have OpenType fonts with LuaTeX using the plain format? I have tried: \font\test="texgyrepagellaregular"\test test\bye but I get ! Font \test=texgyrepagellaregular not loadable: ...
13
votes
1answer
215 views

Is it possible to `split a hbox`?

When creating two columns or balancing it, we may use \vsplit to achieve this, but can we split a \hbox in TeX? Compared with \vsplit, an example may be like this: \setbox0=\hbox to 6in{ ... } ...
2
votes
2answers
396 views

Align boxes and rotate boxes in plain TeX

When I finish reading the Appendix D: Dirty Tricks in the TeXbook, I rethink a question: is it possible to align some character boxes like this: The input may be like this: ...
15
votes
5answers
15k views

Real number symbol (UTF-8: ℝ) in XeTeX

How can I get the 'real number' sign (something like \mathbb{R} with the amssymb package in LaTeX) in XeTeX?
4
votes
2answers
278 views

ConTeXt doesn't implement some Knuth TeX primitives?

I try to use new TeX format ConTeXt, but I find that some TeX primitives don't act any more. How sad I am when I find that. An simple example is that in plain TeX, we can set the spaces between ...
1
vote
1answer
229 views

Compiling a Plain-TeX file that loads harvmac on TexWorks on windows

I had asked this question and it was suggested that I use plain TeX. On TeXworks among the compiling options there is no such thing. When I try running the file through pdfTeX I get the message, ...
3
votes
1answer
304 views

TeXmaker for plain TeX

Sorry if this has already been asked, but, if there is something similar like this TeXmaker for plain TeX?
2
votes
2answers
287 views

Why use plain TeX exclusively and eschew LaTeX2e entirely, nowadays? [duplicate]

I was surprised to learn that some users, as show in this post, stil insist on working exclusively in plain Tex, as opposed to LaTeX. I most certainly understand the benefits of occasionally ...
5
votes
1answer
216 views

How to create a page with two columns that can span pages to achieve my special goal?

I am a Chinese plain TeX user and also a beginner. Now I encounter a hard question, that is I must write some numbered English paragraphs at the left column and its corresponding Chinese ...
7
votes
3answers
195 views

\csname error in defining in loop

In following snippet I try to use TeX programming to define commands \Ab, \Bb, \Cb and so on. Strangely, I get Missing \endcsname inserted error. What is my mistake? I hadn't read TeXBook, so it is a ...
14
votes
1answer
390 views

Is there a LaTeX3 approach to \ignorespaces?

The following code works as I would like it to: Given the state of the boolean, certain content is to be printed or not. If it's not printed, then I run the risk of creating extraneous whitespace. ...
13
votes
2answers
451 views

What is “plain TeX”?

I occasionally see a statement that plain TeX is not the same as TeX, because plain TeX is already a format. What is plain TeX, and what is the difference to TeX proper? Some answers are here (The ...
17
votes
3answers
3k views

\string command behavior - Plain TeX

I would like to learn Plain TeX and I'm reading Knuth's "The TeXBook". At Chapter 7, Knuth talks about the \string command and how it converts control sequences into lists of characters tokens. Why ...
6
votes
1answer
316 views

Multiple vertical rules along text – by using \leaders?

I want to draw individual vertical rules on the left side of consecutive paragraphs/vertical boxes covering the vertical skips. In my case for every paragraph/vertical box, there can be different ...
10
votes
2answers
575 views

TeX equivalent for LaTeX's \boxed

Does anyone have any suggestions for recreating the \boxed{...} function from LaTeX in plain TeX? I'm pretty sure it's part of the amsmath package for LaTeX.
2
votes
0answers
294 views

Debugging OpenType Feature / Substitution Problems with XeTeX [closed]

I have been sent an updated set of fonts from a professionally developed OTF typeface which I am trying to use with plain XeTeX. When using them with XeTeX, I could not get the OpenType features to ...
16
votes
3answers
1k views

Starting with TeX (not LaTeX)

I've been using LaTeX for 3 years and I'm decided to switch to (plain) TeX. For the moment I'm reading The TeXbook for the third time (I quietly start to read the double-danger signed paragraphs) and ...
9
votes
3answers
494 views

How do I get the \cancel (strikeout) in Plain TeX?

I've searched both online and in the TexBook, but can not find a command or package. Note, I am pretty new to TeX / LaTeX, but am currently trying to figure out how to do things in Plain TeX. Edit: ...
11
votes
2answers
411 views

Is there any software that converts latex file to tex file?

I was asked to convert a file from LaTeX format to TeX format, so it could be compiled by TeX. I use LaTeX a lot, but I'm quite unfamiliar with TeX. And the file is pretty long. So I was wondering if ...
0
votes
1answer
152 views

Combining \obeyspaces and \read

It seems to be impossible to combine \obeyspaces and \read in the following manner: \newread\myread \openin\myread=myfile.txt \obeyspaces % Deleting this line removes the error \read\myread to ...
20
votes
3answers
435 views

Strange behaviour with PGF/TikZ and Plain TeX output routine

I noticed a strange behavior when running PGF/tikZ with pdfTeX on my Debian box : a simple session without tikz: pdftex **\relax *Hello World *\bye do output the page number on the page footer. On ...
7
votes
2answers
127 views

Match number sign inside plain TeX loop

In order to strip comments from code I would like to input from a file into TeX, I am using the following loop \documentclass{article} \def\getfirst#1#2\relax{#1} \begin{document} ...
5
votes
1answer
198 views

Bad rendering of OrnementsADF

With the code (typeset with XeTeX) \font\orn="Ornements ADF" at 12pt \centerline{\orn\char70\quad\char57\quad\char102} \centerline{\orn\char102\quad\char57\quad\char70} ...
11
votes
4answers
630 views

Position margin notes relative to left margin in plain TeX

I want to add margin notes in the Tufte style to my Plain TeX document. (I'm using eplain, if that matters.) I know that if I were using LaTeX I could just use tufte-latex, but as a thorough ...
13
votes
1answer
332 views

No indent in the first paragraph in a section in Plain TeX

I have checked no indent in the first paragraph in a section? but I think my question warrants a new thread, because my question is about Plain TeX. I am using Plain TeX. I would like to write a ...
5
votes
1answer
352 views

Plain TeX and different hyperlink styles in dvi and pdf

I use the harvmac macros to write papers with plain TeX, and harvmac loads the hyperbasics file to enable hyperlinks. However I can't figure out why the hyperlinks have a different appearance in the ...
10
votes
2answers
1k views

How to include eps files in Plain TeX? [duplicate]

The title stands for itself. If it is not possible, how does LaTeX import an EPS file using \includegraphics?
9
votes
1answer
314 views

“The Errors of TeX” with hyperlinks

I was reading the appendix to "The Errors of TeX" by Knuth (errorlog.tex, written with plain TeX) and I noticed that there is a PDF file errorlog.pdf with nice hyperlinks and I was wondering how that ...