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I have been using Tex for a few years now and enjoyed the work of others (e.g., ctan packages, templates, styles). My question sees to practical code to learn from. What would be a good primer, or project to study? For example I looked at ClassicThesis.sty. In order to actively contribute I would like to know how to go about.

marked as duplicate by Henri Menke, LaRiFaRi, T. Verron, user13907, egreg tex-core Apr 23 '15 at 10:57

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    Some great resources can be found at Where do I start LaTeX programming? – Paul Gessler Apr 23 '15 at 9:46
  • @HenriMenke This is not right question. Better one is: where do I start TeX programming? – wipet Apr 23 '15 at 10:10
  • @wipet True, the question title is different. Christian's answer in turn addresses mostly TeX programming, e.g. in form of his primer on TeX programming. – Henri Menke Apr 23 '15 at 16:35