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[Bug]: Unexpandable active characters change strangely in full expansion · Issue #11 · leoliu0/ratex
Minimal TeX Reproduction \documentclass{article} % '?' is active and unexpandable \catcode`?=\active \let?\relax \def\macroA{?} \edef\macroB{?} \begin{document} \number\expandafter`\macroA/% `?=65 ...