To really make it "clever" (is effective in restricted situations) it's attainable to try and do def_ ifttdefault char95 textunderscore utilizing the macro in other issue.David CarlisleDavid Carlisle 816k7474 gold badges1.7k1.7k silver badges2.6k2.6k bronze badges nine twelve I ponder why when _ is used in textual content mode LaTeX is not sensible