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All you need to know about colors in LaTeX - LaTeX-Tutorial.com
Using colours in LaTeX - Overleaf, Online LaTeX Editor
listings - How do I tell alltt environment to wrap text? - TeX - LaTeX Stack Exchange
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LaTeX.pdf - Wikimedia
Using colours in LaTeX - Overleaf, Online LaTeX Editor
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LaTeX/Print version - Wikibooks, open books for an open world
Use color in verbatim environment - TeX - LaTeX Stack Exchange
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Latex | PDF | Te X | Portable Document Format
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