### Install TeX Live in Custom Directory with eitl Source: https://ctan.org/pkg/eitl Run the eitl script with a specified directory to install TeX Live in a location other than the default home directory. ```bash ./eitl.sh /usr/local/texlive ``` -------------------------------- ### Specifying placeholders for demonstration with Lua Source: https://ctan.org/pkg/%3AL Allows specifying placeholders for demonstration purposes using Lua. Useful in examples and tutorials. ```lua require('lua-placeholders') ``` -------------------------------- ### Guide to using LaTeX with LuaTeX Source: https://ctan.org/pkg/%3AL A comprehensive guide on using LaTeX with the LuaTeX engine. Covers features and best practices for LuaLaTeX. ```tex \usepackage{lualatex-doc} ``` -------------------------------- ### Create a LaTeX format file with mylatex Source: https://ctan.org/pkg/mylatex Use this command to initialize your usage by creating a format file. This can pre-load a set of package files for regular use. ```bash latex -ini mylatex.ltx ``` -------------------------------- ### Chess game input format Source: https://ctan.org/pkg/texmate Example of the ASCII input format used by TeXmate to represent chess moves. ```text 1. e4 e5; 2. Nf3 Nc6; 3. Bb5 a6 ``` ```text 1 e4 e5; Nf3 Nc6 3.. Bb5 a6 ``` -------------------------------- ### Begin tabu environment with target width Source: https://ctan.org/pkg/tabu Use `\begin{tabu} to ` to specify a target width for the tabular environment. This requires the tabu package to be loaded. ```latex \begin{tabu} to ```