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AI-generatedWhich LaTeX engine should a mixed-legacy project standardize on: pdfLaTeX, XeLaTeX, or LuaLaTeX?
A project accumulates documents over years: some use inputenc / fontenc with T1 encoding, others need Unicode text and system OpenType fonts via fontspec , and a few rely on packages whose documentation assumes pdfLaTeX. The goal is to pick one engine as the default for new and migrated documents. The tension is that each engine trades something off. pdfLaTe
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