is about finding the cause of errors or wrong results in (La)TeX code/documents using a methodical approach.

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2
votes
1answer
1k views

Debugging a custom-bib bst file that crashes on book items

I created my own bibliography file with custom-bib (makebst), but when I run it with a reference to a book I get: $ bibtex PhD [...normal output] Database file #1: PhD.bib You can't pop an empty ...
9
votes
2answers
3k views

Sublime Text 3 LatexTools

I just installed ST3 and installed the LatexTools package using Package control. Everything seems to have gone fine except when I compile using CMD+b nothing seems to happen. On the terminal I get ...
0
votes
1answer
74 views

Strange issue after removing bug

I removed a bug in my LaTeX code. Now the section is bug free because it uses code from a Lamport book. But it still is included in the pdf after using pdflatex more than once. What is the problem? ...
2
votes
1answer
147 views

Standalone - \newlabel being written to .log instead of .aux

In my compiled document, which consists of many sub-documents using standalone, I have one sub-document in which the Figure references are undefined - they show up as ??. No MWE I've tried can ...
2
votes
1answer
111 views

My WinEdt can only debug one file

I came across a weird question... The thing is, suddenly without and reasons, I could only pdfTeXify one file in my WinEdt. As you know, we usually open lots of files which we have edited historically ...
5
votes
1answer
668 views

Why does loading pgfplots after tikz break the default layers in a tikzpicture?

Taking the MWE from Jake's answer to the question Background rectangles with equal width but 'fitting' height, I get an error when loading pgfplots after the tikz packages but not before. I'm assuming ...
2
votes
1answer
78 views

No %.aux file in a particular directory

I have the following line in my report.tex \include{intro/introduction} \include{prlm/preliminary} \include{svy/survey} and the corresponding directory structure. The directory structure is ...
9
votes
2answers
108 views

Ease the handling of labels

I want to ease the handling of labels in my document, and I want to show the label for a section if define a "variable". Currently I'm doing it like this Setting the up the "variable": ...
2
votes
1answer
90 views

Unexpected hung latex compilation with property list retrieval

This is very closely related to a previous question of mine. From the comments to this previous question, I understand that my approach here is completely wrong headed. So why bother post a ...
1
vote
1answer
354 views

Debugging TikZ and PGFPlots compatibility issue

I just tried to compile an old TikZ code (which as far as I recall compiled perfectly in the past and was not changed in the meanwhile) and I faced some serious compilation issues related to TikZ. ...
9
votes
1answer
226 views

Using \typeout behaviour different with \newtoks vs. \def

I feel as I really should know this, but sadly I don't. Why is the output of \typeout{\the\myToken} not the same as having it printed in the PDF as \the\myToken. No problem with a \def, just with ...
9
votes
1answer
215 views

Get current source line number

How can I get the current .tex source line number? I want to use it to generate useful error messages in a package I am writing. There are some errors that can only be detected at the end of the ...
8
votes
1answer
2k views

Install emerald font package on ubuntu

I tried to install the emerald font package on my ubuntu natty box. However if I compile a minimal example like (emerald.tex) \documentclass{article} \usepackage{emerald} \usepackage[T1]{fontenc} ...
8
votes
1answer
2k views

How to find the lost text part when having “Float(s) lost” error

I've lost some text. I don't know if theres something missing, so how can I find it? I'm not in the mood to compare the chapter1.tex to the pdf file by reading both. Chapter 1 (chapter1.tex) is rather ...
2
votes
3answers
335 views

Help me to debug long LaTex equations with errors

I want to learn debugging of long LaTeX equations like below: $\tau=\int\frac{dt}{\gamma} = \int\sqrt{1-\frac{v(t)^2}{c^2}}dt = ...
3
votes
1answer
169 views

Print macro output instead of executing

I am attempting to debug a Tikz/PGF script. I have a STY file that generates Tikz/PGF scripts, but the output graphic isn't quite what I want it to be. In order to debug the problem, I was hoping ...
11
votes
4answers
2k views

LaTeX debugging strategies and brace mismatching

What is the recommended way to track down brace mismatches in LaTeX? I have a large beamer presentation, but this equally applies to any other LaTeX work I've done. In other computer languages I've ...
1
vote
0answers
669 views

tikzpicture fails when externalization is enabled [closed]

In a document of mine I'm trying to use the external library. For the record, I downloaded the CVS version of TikZ, since I want the better update checks. Anyway, I have a figure in my code which ...
6
votes
1answer
825 views

TikZ datavisualization example fails

While trying an example from the datavisualization section of the current TikZ manual I get a strange error message. On my system I have the current MikTeX 2.9 and installed the CVS version of TikZ ...
5
votes
0answers
296 views

Biblatex 2.1 bug [closed]

After updating my texlive 2012 installation using tlmgr update --all --self the biblatex was updated to version 2.1 and biber to version 1.1. Now I cannot compile my document. I get the following ...
0
votes
0answers
66 views

How can I debug this problem with math typesetting? [duplicate]

Possible Duplicate: problem compiling some 'math' using LuaLaTeX While trying to write an equation it seems that the square root does not like particular elements. I tried to ...
3
votes
2answers
185 views

Debugging vertical space on top of page (section inside a custom biblatex cite command)?

Please consider the following MWE, compiled with lualatex test.tex (+ bibtex test + lualatex test.tex): \documentclass[twoside,a4paper]{book} \usepackage{lua-visual-debug} \usepackage{lipsum} ...
60
votes
1answer
2k 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} ...
7
votes
1answer
854 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} ...
4
votes
2answers
1k 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 ...
4
votes
1answer
304 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 ...
5
votes
2answers
144 views

Showing definition of macros with custom characters?

Consider the following MWE: \documentclass{book} \usepackage{biblatex} \begin{document} \typeout{1.=\meaning\usebibmacro} \typeout{2.=\meaning\usebibmacro{name:first-last}} \makeatletter ...
21
votes
1answer
1k views

Latex \tracing commands list?

Often I need to recall the different \tracing commands; and a couple of times I stumbled on some webpages that worked fine for me; sadly, I didn't keep them, and my searches don't take me there ...
31
votes
3answers
26k views

LaTeX with Sublime Text 2

I recently (2 days back) started using LaTeX, I use Sublime Text 2 (ST2) for most of the programming. I found that ST2 has LaTeX package. So what I am doing is write the document with ST2 and run it ...
3
votes
1answer
227 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} ...
6
votes
2answers
453 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
141 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 ...
50
votes
4answers
1k views

Why does \vspace, after section heading, sometimes jump/snap in discrete steps?

Well, this is one question that I've had for a long time, and one that always gets me extremely irritated. However, this time I'm even somewhat happy - that I can ask the question at all; and that is ...
5
votes
3answers
286 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: ...
1
vote
0answers
382 views

Debugging Lua in LuaLatex with LDT [closed]

LDT is an IDE for lua based on eclipse. It is quite nice and the best free lua debugger I've seen(I've just stumbled upon it the last 2 days or so). It took me a bit to get setup properly but because ...
10
votes
1answer
494 views

Visualizing correct page lengths with 'layouts' and 'tikz' packages?

I am currently working on a project with xelatex/fontspec and tikz, and so, this example is basically the same as the one from layouts package reads all length as zero with tikz/fontspec/xelatex?. ...
2
votes
1answer
124 views

layouts package reads all length as zero with tikz/fontspec/xelatex?

After getting the suggestion to use the layouts package for visual debugging of lengths, I came up with the following example, which I compile with xelatex test.tex: ...
4
votes
2answers
413 views

Visual debugging of lengths in paragraphs and environments?

During my searches, I found a couple of online images, which I doubt are produced with Latex - however, I found them immensely useful in understanding what is going on. I'm pretty sure the images ...
4
votes
1answer
966 views

How to print out to “log” without affecting anything else (lua print equiv)

lua's print is very effective for my debugging purposes but I can't easily use it in TeX because of all the macro expansion issues. All it does is print the text to the window (console window or ...
2
votes
2answers
330 views

Strange behaviour debugging a document with AUCTeX-GNUEmacs in math mode

When I try to compile this document \documentclass{article} \usepackage{amsmath} \begin{document} A simple fraction with an error $\frac{a}{b$ \end{document} I obviously get an error because there ...
2
votes
1answer
405 views

Unwanted spaces

The code given just after produces extra unwanted spaces indicated in the following picture. How can I fix it ? Sorry for the colors, this choices will be changed later when technical issues will be ...
12
votes
1answer
8k views

How do you effectively debug overfull \hbox warnings?

I still haven't found out how to effectively solve Overfull \hbox (0.80913pt too wide) has occurred while \output is active warnings. For instance, this piece of latex generates such a warning and I ...
8
votes
1answer
232 views

Help with the lua-visual-debug package

The documentation for lua-visual-debug is a little sparse. Can someone interpret the boxes/lines/colors that lua-visual-debug produces?
4
votes
3answers
730 views

Error using \usepackage{fancyvrb, fancybox}

With TeX Live 2009, with this MWE. \documentclass{article} \usepackage{fancyvrb, fancybox} \begin{document} \begin{Verbatim}[frame=single] auto eth0 \end{Verbatim} \end{document} I ...
5
votes
1answer
956 views

How to debug an infinite loop in pdfLaTeX code

I have some code which crashes when loading the myriadpro package and loading in the document only the symbol \oiint \documentclass[]{scrbook} \usepackage[T1]{fontenc} \usepackage{amsmath} % ...
12
votes
1answer
357 views

Are subcaption and tabularx incompatible?

I know that tex.sx isn't the forum for bug-reporting, but I have a bit of a problem and I'm looking for a technical workaround. The following MWE produces odd labels: \documentclass{article} ...
26
votes
2answers
700 views

How do I debug pgfkeys?

I'm sure if you're reading this question you are already familiar with my love for pgfkeys. However, it is absolutely impossible to debug: \tracingmacros is a total mess, with every key expanding to ...
2
votes
1answer
696 views

Debugging Advice: TeX Capacity Exceeded with TeXLive2011 (but not with TeXLive2010)

I have a feeling that this is going to be rather embarrassing when I eventually get to the bottom of this problem, but since I have been struggling with this for some time I am posting this question ...
3
votes
1answer
354 views

How can I check/debug a .cls file?

I am editing a .cls file in order to customize the output of a particular document. However, I am occasionally coming up against errors. Is it possible to check that my .cls file is valid (i.e. no ...
1
vote
1answer
137 views

Is that a bug between `xymatrix`, the `input` command and .sty file?

I have a problem compiling the following document. First, I have a file macros.sty that consists of : \newcommand{\test}{ \xymatrix@R=0mm{x} } Then, I have an auxiliary file out.aux that consists ...