Hi Hans, the "=>" in the apply tag has to be lowered to avoid a collision with the index number. \unexpanded\def\showSETUPapply#1% {\showSETUP{#1} - {[..=>..]} - {[..,..=>..,...]}} + {[..\lower.25ex\hbox{=>}..]} + {[..,..\lower.25ex\hbox{=>}..,...]}} Wolfgang