remove unmatched bracket

format.tex

@@ -209,7 +209,7 @@ String values can occur in string arrays see~Section~\ref{anarray}.
     \label{tab:stringfun}
     \begin{tabular}{|l|p{0.5\textwidth}|l|l|}
       \hline
-      \tabhead{Function & Meaning & result type & argument type \\
+      \tabhead Function & Meaning & result type & argument type \\
       \hline
       \texttt{STRING(X)} &
       return string representation of the value
@@ -1042,5 +1042,3 @@ Token list arrays are always lists of single token lists.
 \begin{verbatim}
 {X:12:8,Y:12:8}
 \end{verbatim}
-
-\index{Command!Format|)}