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

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What are the rules for style change in formulas (Plain TeX)?

Both numerator and denominator in the following two formulas are of the same size, namely \textstyle (from which we conclude, that: 1) style change does not affect the digit, which immediately ...
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1answer
41 views

Weird spaces after \magstepN

Consider example1: hello% world \bye In example2 a space is added between o and w, in comparison with example 1: hello% \magnification\magstep0 world \bye (It seems that space (which appeared ...
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1answer
81 views

Plain TeX and XeTeX

Will all plain TeX code also work with XeTeX?
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2answers
113 views

Why does the redefinition of \par disable \nopagenumbers?

Let's disable page numbers: \nopagenumbers Hello world. \bye Page numbers appear if we redefine the nearest \par: \begingroup\def\par{\endgraf\endgroup} \nopagenumbers Hello world. \bye If we ...
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1answer
40 views

How to get last box in vertical mode?

I'm trying to get the contents of a paragraph with \showbox via \vadjust, by overloading \par. I came up with this: \showboxdepth\maxdimen \showboxbreadth\maxdimen \let\oldvadjust\vadjust ...
4
votes
1answer
109 views

moving from old plain TeX to XeTeX

I have a style file I used for a project in pre-Unicode age. Now I want to convert it for use in XeTeX. I used Computer Modern and now would like to use CMU Serif. Pointers on what to do with the ...
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3answers
37 views

Setting headlines with widths which differ from the width of the body text

Using (plain) TeX, I'm trying to set the headline to a different width from that of the body of the text (i.e. hang page numbers to the outside of the text, as seen in the TeX Book).
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0answers
40 views

Short footnotes on same line or centered in plain TeX

Is there in plain TeX a way to print two short footnotes on the same line (spaced as if in columns) or a single footnote centered?
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2answers
130 views

How to align vertically by right border?

Consider this example: \hsize.1in \noindent \parfillskip=0pt \leftskip=0pt plus 1fil \hfuzz=2em hello world \bye The result is: The expected result is: Why the example does not produce the ...
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1answer
148 views

Question about exercise 23.3 in TeXbook

This is exercise 23.3: Explain how to change the output routine of plain TeX so that it will produce twice as many pages. The material that would ordinarily go on pages 1, 2, 3, etc., should go ...
3
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1answer
82 views

How much space is occupied by footline?

This is said in TeXbook about page dimensions: Plain TEX sets \vsize=8.9in (not 9in, since \vsize doesn't include the space for page numbers at the bottom of each page)... According to ...
6
votes
1answer
102 views

Weird error after \showthe

I'm trying to understand the meaning of \p@ from plain.tex: \newdimen\p@ \p@=1pt % this saves macro space and time While trying to figure it out, I stumbled upon strange behavior. Consider this: ...
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74 views

How is a page produced in the output routine?

Compare this \nonstopmode \tracingonline=1 \showboxdepth=\maxdimen \showboxbreadth=\maxdimen \output={\shipout\vbox{ \unvbox255 \showlists }} \nopagenumbers \noindent A \bye and this ...
6
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1answer
113 views

How to draw borders around page contents

During learning, while conducting different experiments, it's useful to see actual page borders. So I wrote the code which does this and would like to know whether it is the proper way to accomplish ...
17
votes
1answer
304 views

What is the equivalent of \usepackage[T1]{fontenc} in plain TeX?

I have inherited a semi-small TeX project in which I, after syncing across various computers and OS'es, had some problems with encodings of special characters like åäö. My initial approach for fixing ...
4
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1answer
43 views

Description list in plain TeX with optional break after tag

I'd like to have a desription list in plain TeX where there is only a line break after the item tag if the tag width exceeds a certain value. Lets say the indentation of the tags is zero and the ...
7
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2answers
185 views

Editing ligature table

It is suggested in TeXbook (p. 46) that in adapting TeX to type Norwegian, You can arrange the font metric file so that TeX will interpret ae, o/, aa, AE, O/, and AA as ligatures that produce ...
3
votes
1answer
91 views

Plain TeX: Wrong \folio for heading at top of page

I have the following chapter macro (uses code from Heiko Oberdiek): \def\ChaptTocEntry#1#2{% \line{\hbox to1em{\hfil\bf#1}\hskip1em#2\leaderfill\folio}} \def\ChaptWr#1{{% \let\folio\relax ...
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1answer
120 views

two column footnotes, Plain TeX

I’m trying to get footnotes set in two columns in Plain TeX. This is my minimum working example: %!TEX TS-program = pdftex \output{\ifvoid\footins\else\vskip\skip\footins\rigidbalance\footins 2 7pt ...
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2answers
61 views

How to expand a register value in a \write argument (plain TeX)?

I am using \write to output table of contents information. While the correct heading counter information apears in the headings itself, the TOC headings have the number of the last heading of a page. ...
2
votes
2answers
62 views

Is there an equivalent to roff's .ns (no-space mode) in plain TeX?

Is there something like roff's .ns in plain TeX (or something even better)? E.g. a command which says that the directly following vskips are ignored or (additional) a special "vskip" which makes all ...
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1answer
77 views

Plain TeX pdf2ps page numbering offset for front matter in PDF viewer [duplicate]

The good: When I use plain TeX, and then run dvips to get the Postscript output, I see negative page numbers for the front matter in the thumbnail pages on the left in evince and gv (ghostview), ...
3
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2answers
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Does the concatenation of two text files, which compile under tex, always compile under tex?

In other words, does the set of all text files that compile under tex form a monoid under concatenation? I have recently dabbled a bit in plain tex and my algebraic spider senses were immediately ...
6
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2answers
86 views

Prevent \topinsert on chapter page (Plain TeX)

How to define chapter to prevent insertion of floating figures and tables (\topinsert) on chapter page. I would like to place an object at the top of the next page. \def\chap#1{\vfil\break \vglue1cm ...
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1answer
84 views

supporting both \"u and ü

I maintain musixtex extension package musixtmr.tex that enables times text fonts. I thought I could enable accented glyphs like ü by using ptmr8r instead of ptmr7t. But this has the effect of ...
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1answer
87 views

How to use txfont in plain TeX

I'm trying to insert one font from txfont package in my plain TeX file, but I cannot understand some aspects of this font distribution. The font I would use is the txmi1; so, how can TeX use this ...
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1answer
76 views

babel/plain.def : ! Illegal parameter number in definition of \@yargdef

I tried to generate plain TeX cyrillic format files using makefmts.sh script from cyrplain package, here is the content of this script: #!/bin/sh tex -ini -fmt=cyrtex -progname=tex cyrtex.ini tex ...
6
votes
1answer
102 views

Adjust spacing between footnotes

I am using a macro for TeX which I have received from my coauthor but she also did not know how to adjust spacing between footnotes. Here is my macro.tex % make the pageheight a bit smaller ...
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votes
2answers
136 views

Setting font in OPmac or other Plain macros

The OPmac manual explains how to set the font size and discusses the style variations \bf, \it, \em etc. but I do not see a way to set the actual font in use. I'm using XeTeX and would like to access ...
2
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0answers
40 views

Loading system (OTF/TTF) fonts from plain TeX with LuaTeX [duplicate]

In XeTeX, I can set up a font pretty straightforwardly with: \font\foo="Minion Pro" at 10pt I don't quite see how to do it. This question suggests that the answer is "use luaotfload.sty." Is that ...
2
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1answer
107 views

How can branch if I'm in a halign or not? [closed]

Edit: It seems that I can use \noalign\bgroup before the \halign. That's fine. But how do I test that I'm inside the halign group? I'm able to write an own if, but it would be better to ask tex for ...
4
votes
1answer
142 views

How to replace CM fonts with ones compatible with XeTeX (in amsppt.sty)?

I would like to try to patch amsppt.sty AMSTeX style file to make it usable with XeTeX and non-Latin languages (Cyrillic). It looks like i need to replace the following CM fonts or font families with ...
7
votes
1answer
113 views

Accent i in plain TeX fails inside array loop

In Plain TeX, when I try to create an array of control sequences (\word0, \word1, etc.) and print it out using a loop, TeX stumbles over the accented-i control sequence \'{\i}. I get this error: ! ...
10
votes
1answer
150 views

Rearranging blocks (poetry) in OTR (Plain TeX)

I have a problem that I think would best be solved by an output routine. It seems like an act of moderate TeX wizardry so before I get stuck in the weeds on a wrong approach I thought I would describe ...
6
votes
1answer
122 views

How to design page layout in plain TeX using OPmac?

I'm trying to create a slideshow in TeX using Opmac. I need a page layout like that: And I try this code: \input opmac \chyph \margins/1 a5l (1,1,1,1.2)cm % page format \input ctimes ...
2
votes
1answer
89 views

Plain TeX `\footline` with rule and content

It seems pretty trivial to replace the footer with either content or a line in Plain TeX: \footline={\centerline{\folio}} % page number in footer \footline={\hrulefill} % rule in footer ...
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votes
2answers
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Plain TeX section number in margin

I want to typeset the number for the section in the margin. Here's an MWE of what I'm starting from. % --- Fonts ------------------------------------------------ \font\0="Roboto Condensed Light" at ...
6
votes
1answer
103 views

Underline omitting the descenders with Plain TeX

I'm reading this question Underline Omitting the Descenders and wondering if there is a way to do this with Plain TeX and XeTeX.
6
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2answers
182 views

Plain TeX: Line up some text boxes

Forgive me for asking what is probably a trivial question. I'm working through the books but always seem to be confused when I sit down at the computer. I'm using plain TeX. I have three ...
9
votes
1answer
140 views

Question about exercise 7.5 in TeXbook

Consider this extract from TeXbook: EXERCISE 7.5 Experiment with TEX to see what \string does when it is followed by an active character like ~. (Active characters behave like control ...
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votes
2answers
215 views

PNG in Plain TeX [duplicate]

I have been presented with graphic files in the format .png. I need to include them in a Plain TeX document. How is that possible? Is there a way to convert them to .eps?
2
votes
1answer
229 views

Cyrillic letters and Russian hyphenation in Plain XeTeX

What is the simplest method to tell XeTeX (not XeLaTeX) to use a font with Cyrillic letters and to apply Russian hyphenation rules? Ideally i would like to not have to specify anything in the source ...
4
votes
2answers
68 views

How to generate table of content with OPmac macro \kuk without duplicities of pages?

I'm trying to create a slideshow in TeX using Opmac. But when I use macros \kuk and \maketoc, there are duplicities in table of content. Is any possibility to generate the line in the toc only for a ...
8
votes
2answers
273 views

Problem with \setbox

I wrote the following box, which contains my name displayed vertically: \setbox0\vbox{\hbox{M}\hbox{a}\hbox{t}\hbox{t}\hbox{e}\hbox{o}} I'd like to dysplay it twice in a line, so I wrote: ...
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1answer
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Why does plain TeX have a \bye command?

In plain TeX, \bye marks the end of the TeX document. Yet why is such a command even needed? TeX should be quite able to see for itself that here, the file stops, and there is nothing more to find. I ...
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votes
2answers
223 views

Easy method to activate cyrplain package (CyrTeX)

I would like to have a Cyrillic version of TeX/AMSTeX. I have installed the cyrplain package, but further instructions are too long and technical for me, sometimes referring to README of other ...
7
votes
1answer
50 views

What's the most plain way to define a parametrized macro within an outer macro definition

I often want to pass some arguments into a macro definition that defines an inner macro with parameters. For example \def\outmac #1,#2.{% \def\argone{#1} \def\argtwo{#2} \def\inmac ...
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votes
3answers
435 views

Can I use (LaTeX?) packages from CTAN in plain TeX?

I have the following assumptions: TeX is a kind of language Plain TeX is the original environment for this language LaTeX (and other environments) is a set of compiled macros written using TeX ...
18
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2answers
319 views

How can I improve my “hands-on”/ “working” knowledge of TeX's low/middle/high/higher -level control sequences?

I am not an experienced TeX/LaTeX user. I know just about enough to write my thesis. As my interest grows, I'd like to continue improving on my TeX/LaTeX knowledge, more specifically, my "working" ...
3
votes
1answer
243 views

Function and usage of \font command

I have seen the use of the \font. For example \font\Cal=cmsy10 at 25pt I can't find any information about this command. Could anyone tell me what's the function of it, how works and how use it?