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0

A starting point could be this MWE, but it is not very complete than your image. My suggestion is to use the guide here: https://ctan.org/pkg/tikz-qtree, where you can also increase the angle of the tree and to add others details. \documentclass{article} \usepackage{tikz-qtree,tikz-qtree-compat} \begin{document} \Tree [.A [.B ] [.C [.D ] ...

3

In expl3, every function name has two parts: First comes the function base name (not sure is that's the actual name for it, but I will call it that in this post to make the distinction clearer), similar to TeX or LaTeX2 macro names but with optional underscores in it, and after that a list of argument specifiers follows, separated with a colon from the base ...

5

The <case 0> text is empty. Indeed, \month is an “internal integer”, so \ifcase\month is a complete conditional test (in the sense that TeX will not do a look ahead with expansion in order to see whether a space follows). TeX processes \ifcase as follows; suppose there are m \or tokens. the <integer> value is determined, either by looking up ...

3

Remove the \mathclap, whose very purpose is to hide the width of its argument. \documentclass{article} \usepackage{mathtools} \newcommand{\myequ}[1]{\stackrel{\normalfont\mbox{#1}}{=}} \begin{document} $y \myequ{eq.(3.3.44)} \int_\Omega x\,dx$ \end{document} You may also wish to consider using \small or \scriptsize in preference to \normalfont. Thanks ...

3

Here's an answer from the perspective of the internals of the TeX (to be specific, Knuth TeX) program. You do not need to know any of the following for simply using TeX; this is just if you're curious about how things work internally. Stomach “commands” The "main" part of the TeX program (after some initialization etc) is basically a main loop (called ...

2

LaTeX can print which characters have a non-literal meaning: \makeatletter \def\do#1{\ifnum\catcode\string#1=12 \else \message{\expandafter\@gobble\string#1}\fi} \typeout{}\message{Chars:}% \do\!\do\"\do\#\do\\$\do\%\do\&\do\'\do$$\do$$\do\*\do\+\do\,% \do\-\do\.\do\/\do\:\do\;\do\<\do\=\do\>\do\?\do\@\do$\do\\% \do$\do\^\do\_\do\\do\{\do\|\do\}...

44

In TeX and LaTeX, it is vital to distinguish between "commands" or "control sequences" on the one hand and TeX-special characters on the other. Only the former begin, in general, with a backslash (\) character. (But see the final paragraph below for examples of commands which do not start with a backslash.) ^ and _ are but two examples of TeX-special ...

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