I wanted to write |a| in nomenclature symbol as well as in the description.
But whenever I use | in any particular nomenclature entry, that entry disappears from nomenclature list altogether. There is no error, and the rest of the nomenclature prints fine.
How do I solve this problem?
\documentclassto\end{document}? – Jan Jan 17 '17 at 09:00\lvert a\rvert(requiresamsmath) or"|a"|, because|is a special character for MakeIndex. See http://tex.stackexchange.com/questions/57566/how-to-fix-symbol-index-entry – egreg Jan 17 '17 at 09:18