Tagged Questions
42
votes
0answers
1k views
A LaTeX log analyzer application (visualizing TeX expansion)
Consider the following MWE, test.tex:
\documentclass[12pt]{article}
\begin{document}
\tracingassigns=1
\tracingmacros=1
\def\aaa{something}
\def\bbb{else \aaa, else}
\edef\ccc{third \bbb, level}
...
5
votes
1answer
241 views
A \typeout (or expandable command) that can expand once - or with variable levels of expansion?
Consider the following MWE:
\documentclass[12pt]{article}
\begin{document}
\def\aaa{something}
\typeout{=1==\aaa==}
\typeout{=1==\meaning\aaa==}
\typeout{}
\def\bbb{else \aaa, else}
...
3
votes
2answers
516 views
Output ASCII code as character on terminal in Latex?
If I have a letter/character, I can output its ASCII value using \number and backtick command:
*\typeout{\number`a}
97
What do I do if I have "97", and I want to show "a" in terminal? I have ...
2
votes
1answer
186 views
Generating a catcode table in Latex (with \typeout to terminal)?
I often need to look up a catcode table, and quick searches on the web are rarely satisfying.
So I thought, it must be (in the long term) easier to use a Latex function of sorts, to loop through all ...
3
votes
1answer
127 views
Showing expanded `\let` command with `\typeout`
I have already seen the related page macros - What is the difference between \let and \edef?, but I'm afraid it still doesn't expain to me the following MWE:
\documentclass{minimal}
...
5
votes
2answers
221 views
On unprotecting (expanding) \protected macros (or, “the space after command name”)
I quite often come into a situation, where I need to obtain some text produced by a package macro as a string, like in say:
Expanding (edef) a lipsum command?
How do I "unprotect" an ...
2
votes
2answers
110 views
Generating pages in response to iterated parameter on engine level?
Just to jot this down here, while I have the thought: The method I used for the .gif animations in Why does \vspace, after section heading, sometimes jump/snap in discrete steps? was basically have a ...
5
votes
3answers
184 views
\settowidth problem in tikz and in groups
I just came to the following problem - using \settowidth on a length in a tikzpicture resets that length to 0? Here is a (totally command-line) MWE, compiled with pdflatex test.tex:
...
8
votes
1answer
220 views
Is there a \show for catcodes?
In the course of attempting to out-pedant another mathematician, I wanted to \show the catcode of $ to convince myself that it was a "special" character in ordinary TeX as well as LaTeX. I was just ...
34
votes
2answers
1k views
Is there a \show for lengths?
The \show command is extremely useful for figuring out what's going on with a particular macro. Similarly, using \the can tell me the value of a counter. I'd like to know if there's something ...
