13 questions linked to/from How to best debug LaTeX?
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### Why doesn't Tex have a proper debugger? [duplicate]

Why doesn't TeX have a debugger? And by 'debugger' I mean a dedicated application in which you can set breakpoints and watch the values of registers, macros, etc. as they change in real time, maybe ...
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### 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 ...
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### How do magic \dots work in amsmath?

The amsmath package redefines the \dots command so that it "guesses" the correct height of the dots with respect to its context. For example $x, \dots, y$ will produce three lowered dots, aligned ...
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### 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 ...
3k views

### Why can't TeX show us the actual “undefined control sequence”?

This is a question on the internals of the TeX system rather than on how to use it. Every time an undefined control sequence is used in a document, TeX prints the message undefined control sequence [...
834 views

### Non-invasive replacement for \fbox?

I am trying to create a macro that improves on \fbox by working correctly in all cases and by being minimally invasive with respect to padding. What I've got so far works fairly well, but I'm having ...
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### How to debug BibTeX?

How do I debug BibTeX code? I would like to know how to: step through execution, step into and out of function calls, set breakpoints, visualize the stack, watch ...