--- loncom/html/adm/help/tex/Spreadsheet_Ternary_Operator.tex	2002/07/26 19:53:59	1.2
+++ loncom/html/adm/help/tex/Spreadsheet_Ternary_Operator.tex	2002/07/29 14:51:43	1.3
@@ -1,5 +1,6 @@
 \label{Spreadsheet_Ternary_Operator}
-The ?'s and :'s seen in the spreadsheet cells are part of compact notation for an if-then-else clause. Something like:
+The ?\index{? :}'s and :'s seen in the spreadsheet cells are part of
+compact notation for an if-then-else clause. Something like:
 
 \texttt{( B2 > 16 ? 'passing grade' : 'failing grade')}