{key-value} is about packages and macros using the key=value syntax for named parameters instead of numbered parameters.

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Help! How to get the PDF-File? Error & Warnings lead to no pdf-file

I have a big problem. I am writing my phd thesis and started to use latex recently. I developed some basic skills that helped out me most time. But at the moment I dont know how to solve the problem. ...
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TikZ: Track the bounding rectangle of created nodes (Storing values?)

In the main part of the tikzpicture I'd like to simply create blocks. So I need somewhere in theirs' style definition to perform tracking of their common bounding rectangle. I've tried to access ...
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Building keyval arguments using a macro.

I try to create the arguments for a package which uses keyval, with macro, but this does not work: Here is the demo code: \documentclass{minimal} \usepackage{listings} \lstset{language=Pascal} ...
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A package template using xkeyval?

I would like to write a package offering a number of commands. The package should accept options, and some of these options should be available as command options. Usage should be as follows: ... ...
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How can I make a package that accepts an optional argument?

I am writing a package that has a bunch of values that are going to be the same most of the time, but that I might want to change in select cases. I want to do this by giving this package an optional ...
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How to assign a key of a package a key value of another package?

Scenario 1 Actually I can do like this: In mylistings.sty, I define \def\tabsize{3} \RequirePackage{listings} \lstset{tabsize=\tabsize} and in mytable.sty, I define \RequirePackage{mylistings} ...