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Say something about verbatim text in the intro
{{note | This is a wikified version of [https://www.tug.org/members/TUGboat/tb30-2/tb95mahajan-luatex.pdf this TugBoat article ]. Feel free to modify it. }}
In this article, I explain how to use lua to write macros in [[LuaTeX]]. I give some examples of macros that are complicated in [[PdfTeX]], but can be defined easily using lua in luaTeX. These examples include macros that do arithmetic on their arguments, use loops, and parse their arguments, and manipulate verbatim text.
= Introduction =