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lang-tex
\DeclareMathOperatorX{\gradn}{\nabla},\gradnand\nablahave same output if involved in binary operations (e.g.\gradn \cdot Fand\nabla \cdot F) but not if applied to applications (the interspace is bigger e.g. in\gradn Fthan in\nabla F). Is it a bug or a feature?\gradnand\mathop{\nabla}.