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

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3
votes
1answer
47 views

Bug in includegraphics [duplicate]

I have an image (image.pdf, http://www.solidfiles.com/d/d8874ce2ff/). This is how the image looks like: And this small TeX code: \documentclass{standalone} \usepackage{graphics} \begin{document} ...
0
votes
1answer
23 views

What does this \begin{document} error mean?

Code \documentclass{article} \usepackage{caption}; \usepackage{longtable}; \usepackage{booktabs} \begin{document} Discussion. \begin{longtable}[c]{@{}ll@{}} \caption{People and their roles in ...
4
votes
2answers
19 views

How to \show the code of the command \autoref? [duplicate]

Edit: I think this is a duplicate of How can I see the "implementation" of the \LaTeX command? . I wanted to see the code for the hyperref \autoref command, so created this simple document: ...
0
votes
0answers
28 views

How to parse latex error?

I am getting a latex error but I can't understand it. c:/bin/texlive/2014/texmf-dist/tex/latex/hyperref/hpdftex.def (c:/bin/texlive/2014/texmf-dist/tex/latex/oberdiek/rerunfilecheck.sty)) ...
1
vote
1answer
41 views

What is a good debugging procedure to fix undefined citations?

I have a small example that has undefined citations problems. I want to solve these problems, but I've encountered similar problems before and don't have a good debugging procedure for them (I've ...
2
votes
1answer
24 views

Mysterious horizontal rule in custom class file

I am working on a customized class file for a journal project, and the output PDF is not what it should be. Here is a link to the customized class file I have been modifying: ...
2
votes
1answer
13 views

Is there an incompatibility between collcell, longtable, and/or arydshln?

In the past (may be last year or so), I have used these three packages together successfully (and produced a conditionally colored long table). That tex file still compiles nicely; however, the ...
5
votes
1answer
216 views

How to find out why xetex hangs for seconds at innocent pages?

Compiling a 130 pages long report with xelatex takes my PC about 4 seconds, of which at least 1 second is spent at one particular page, and some more time at a later page. The page where most time is ...
0
votes
0answers
48 views

Label at the end of document is lost, bug?

I'm having a long document in memoir at the end of which I set a label, and so far it has worked. I did some changes to my document, at unrelated places, and suddenly I'm getting the warning that that ...
0
votes
0answers
66 views

! Missing number, treated as zero. <to be read again> error with makeglossaries

I'm getting these two errors after compile with makeglossary. If I compile my .tex file with PDFLatex->makeindex->PDFLatex runs without problem but if I change this command series to ...
0
votes
0answers
42 views

Peculiar bug, what is causing it?

I tried typesetting a couple of times but still got the above result. Wiping line 26 and typing it all over again fixed it though, but my question is: Do you think this a bug in my editor (Texpad) ...
2
votes
2answers
23 views

Center text inside special indentation environment with \addtolength

I want to center the sentences "Firma del jurado" but \begin{center} doesn't work. How can I center these sentences? {\addtolength{\leftskip}{0.5\textwidth} Nota de aceptación:\newline\\ ...
0
votes
0answers
31 views

Line filled with \dotfill doesn't appear

I'm using the \dotfill command inside a special indentation block but I can't see the dots This is the relevant piece of code: {\addtolength{\leftskip}{0.5\textwidth} Nota de aceptación:\newline ...
6
votes
2answers
107 views

siunitx: why is there a value in \num{} with empty argument?

I accidentally stumbled upon the following Problem: If I use the \num command of the siunitx package and leave the argument empty like \num{}, I get a value in my pdf output and it seems to ...
1
vote
1answer
66 views

How to make biber 1.9 also print the debug information in the log file?

I've switched from bibtex to biber and I was struggling with some errors. During those problems (see biblatex error: invalid format of field 'date' - what's wrong? and biber: Caught ...
9
votes
2answers
81 views

Splitting macros to individual tokens/characters, with catcode (to debug conditionals)?

Consider this MWE, modified from ifthenelse equal string comparison fails: \documentclass{article} \edef\test{german\relax} \edef\curentry{\string german\relax} \typeout{test: \meaning\test, ...
1
vote
1answer
56 views

“Misplaced \noalign” error with datatool

Attempting to compile the following file gives the following error: ! Misplaced \noalign. \pagebreak ->\noalign {\ifnum `}=0\fi \@testopt {\LT@no@pgbk -}4 l.47 \end{letter} ...
0
votes
1answer
48 views

Compiling documentation of a package

I have extracted the documentation of the longtable package and I want to compile it alone. By extracting the documentation I mean that I have copied the .dtx file from the \maketitle to the end and ...
1
vote
1answer
48 views

Undefined control sequence \fnwidth

I want to do this: \myhref{http://en.wikibooks.org/wiki/TeX}{\TeX} but it gives me the error ! Undefined control sequence. argument \fnwidth l.10 ...
6
votes
2answers
259 views

Problems with tilde (~) and line breaking

I'm trying to avoid a line break between the word "Table" and the number reference for that table. Following the advice of another Q&A, I went through my whole document and replaced all spaces ...
2
votes
0answers
28 views

htlatex adding _ after - in URLs

I'm using htlatex on Fedora 21, texlive-tex4ht-svn33024.0-1.1 I noticed that whenever a URL has a hyphen within it, in the HTML output it's formatted with an underscore symbol following -. For ...
6
votes
1answer
142 views

Is there a bracket missing in teubner.sty? [closed]

When TeXifying files where I use teubner.sty, LaTeX complains Runaway argument? {\setcounter {verso}{##1}\def \writ@verso {\count 255=\value {verso}\divide \ETC . ! File ended while scanning use of ...
4
votes
1answer
107 views

tabu package - gaps in vertical lines

I'm in the unfortunate situation that I have to make a table in LaTeX which has thick vertical lines. Since this does not seem to be possible with the default tabular environment, I chose the tabu ...
5
votes
3answers
412 views

Too many math alphabets used in version normal when using 4 packages only

This one is very strange. After much struggle, I narrowed it down to some combination of 4 packages. When I comment any one of these 4 packages, the error goes away. MWE ...
1
vote
1answer
42 views

Could not use \rule in chapter title in latest texlive

Using XeLaTeX In texlive 2014 (versions before May or texlive 2013 or older), one can use \rule{width}{height} in a chapter title. However, in latest texlive (versions after June) form ctan, use of ...
1
vote
1answer
53 views

How to remove unwanted asterisk that appears in margin when multibib is used with custom Section command?

Background - I'm modifying a fairly well documented LaTex CV to build my own. All works well, till I tried to add publications using the multibib package (using this answer in Tex.SE). When I ...
2
votes
1answer
156 views

Overwrite \def to check if the command exists?

LyX supports math-macros, but sadly when passed to the latex processor, they are defined by a \def rather than a newcommand. I have found overwriting commands (e.g. using \def\v{\mathbf{v}}) to ...
2
votes
1answer
83 views

LaTeX: display hyphenation and justification problems

(At least) The article, report and book classes support the option draft, which displays hyphenation and justification problems with a black square, but also does not load figures. I could have the ...
3
votes
1answer
81 views

Error: paragraph ended before … was complete

I'm quite lost. I can't figure out what I'm doing wrong below. \documentclass{article} \usepackage{amsmath,amssymb} \makeatletter \newcommand\aermb[1]{\def\ae@i@r{#1}\ae@rmb} \def\ae@rmb{%% ...
0
votes
1answer
34 views

Debugging help, something about an end note

I am getting this error [275 ] ! Argument of \@doanenote has an extra }. <inserted text> \par l.726 {citation} ? This raises a number of questions: What is causing ...
2
votes
1answer
43 views

Newcommand leads to no error nor output

I'm writing a wrapper for some output. I have to files, beamer.tex which has content as % !TEX encoding = UTF-8 Unicode \documentclass{beamer} % add page numbers for malmoe \newcommand*\oldmacro{}% ...
1
vote
3answers
237 views

Italic numbers using Linux Libertine

I'm trying to typeset a document using xelatex with main font Linux Libertine. Here's the minimal working example: \documentclass{article} \usepackage{fontspec} \setromanfont[ Ligatures = TeX, ...
3
votes
0answers
46 views

Debug log the text returned via tex.sprint() and friends?

Is there an easy way to see what text was sent from Lua to TeX via tex.sprint(), tex.print(), and tex.write()? (e.g., print it to stdout or log it to the .log file)
2
votes
1answer
50 views

Metapost “odd” operator fails with negative value?

Has anyone else noticed that in Metapost the odd operator appears to fail with negative numbers? Here's my test program (which works with both Metafont and Metapost). for i=-2 upto 2: show(i); ...
3
votes
1answer
84 views

Dump command as readable text?

Is it possible to dump the expanded form of a command as text? E.g. when I write a macro \newcommand{\mytest}[1]{\texttt{#1}} I would want to define a macro \mydump such that ...
9
votes
0answers
82 views

Determine File Name and Line Number Where a Macro is Invoked From

Wondering if there is any way to print out (for debugging purposes) the file name and the line number from where a macro is invoked (not where it is defined). My attempt to use the currfile package ...
0
votes
0answers
78 views

Kile error compiling .bib not appearing in .blg

I keep having trouble while compiling the bibliography with Kile. I get the following error message: File ended while scanning the use of \thebibliography \bibliography{HKR} \begin{thebibliography} ...
7
votes
2answers
123 views

Redefine \newcommand to insert code at start and end of custom macros

I would like to be able to insert code into the definitions of my custom macros, without having to modify each macro definition. This seemed like a simple case of redefining \newcommand, but this ...
7
votes
4answers
407 views

Debugging Advice: Dimension too large (Need stack trace)

Background: I am stuck on a "Dimension too large" problem which is occurring during index generation. This is a large index of links to files (along with other related information), and am sure the ...
0
votes
1answer
166 views

Highlighting labels of undefined citations? [duplicate]

I am wanting 'cite' entries that don't have a corresponding 'bibitem' entry to show up in red, along with the name of the missing reference label. I had found a forum entry that suggested a solution, ...
7
votes
1answer
233 views

testing parameter values with \ifx

Let's say that I would like to redefine \@seccntformat so that whenever the section counter is printed, it is prefixed by Section, but other counters should no be changed. Here is my failed attempt: ...
4
votes
2answers
78 views

Displaying plus and minus of a length

I know that \the\somelength will show me the value of \somelength. But how do I find out what the current stretch on that length is? For instance, if I have \setlength{\footnotesep}{10 pt plus 5pt ...
0
votes
0answers
52 views

What happened to bibtex? [duplicate]

I have a manuscript which looks like: \documentclass{article} \usepackage{amsmath, amsthm, amssymb} \begin{document} [...] \cite{ref} [...] \cite{anotherref} [...] ...
3
votes
1answer
41 views

Possible to run a handler / callback function, when a macro (\inputlineno) changes value/definition?

I was thinking about the debugging procedure I went through in How come the tilde ~ sometimes does not behave like non-breaking space? - basically, to find out where did the macro ~ change, I had to ...
8
votes
2answers
415 views

How come the tilde ~ sometimes does not behave like non-breaking space?

This is again one of the behaviors that are quite difficult to catch in a reconstructible (and simple) example, so one has to resort to animations. Basically, the issue is this: the tilde (~) is ...
0
votes
0answers
59 views

Hyperlinking theorems in smfart

Edit: The class smfart is one of several classes created by the Société Mathématique de France for typesetting mathematics. Here is its CTAN page, where it lies under smflatex, and here is the ...
6
votes
1answer
79 views

Discovering which (La)Tex element is shown by lua-visual-debug (print to stdout)?

I am trying to troubleshoot what happens in the code in Wrong placement (and/or size) of picture / plot with groupplot of table?. So I added \usepackage{lua-visual-debug} to that example, and built it ...
0
votes
0answers
20 views

How to debug the “Argument of \XC@definec@lor has an extra }” error in Foreach statement? [duplicate]

First, I draw three nodes each of which has three parts. Everything is OK. The code and the image are as follows. \documentclass{article} \usepackage[utf8]{inputenc} \usepackage[]{tikz} ...
4
votes
1answer
98 views

Error persists after removing the code

I accidentally added an erroneous backslash to a code in the equation environment. Even after removing it - in fact even after removing the whole line - the error persists. ! Undefined control ...
3
votes
2answers
570 views

TikZ error for externalized graphics but output is correct

This is not an MWE per se, but it is the code I boiled the problem down to. Note: it does not produce an error. The issue is that once I somehow managed to get an error for any TikZ or pgfplots ...