\index{#1@{{\tt {#1}} (funzione)}}\texttt{#1}%
}
\newcommand{\macro}[1]{%
-\index{#1@{{\tt {#1}} (macro)}}\texttt{#1}
-} % macro constant
+\index{#1@{{\tt {#1}} (macro)}}\texttt{#1}%
+}
\newcommand{\errcode}[1]{%
\index{#1@{{\tt {#1}} (errore)}}\texttt{#1}%
-} % macro constant
+}
+\newcommand{\errval}[1]{\texttt{#1}} % value
\newcommand{\var}[1]{\texttt{#1}} % variable
\newcommand{\val}[1]{\texttt{#1}} % value
-\newcommand{\const}[1]{
-\index{#1@{{\tt {#1}} (costante)}}\texttt{#1}
+\newcommand{\const}[1]{%
+\index{#1@{{\tt {#1}} (costante)}}\texttt{#1}%
} % constant name
\newcommand{\file}[1]{\texttt{#1}} % file name
\newcommand{\link}[1]{\texttt{#1}} % html link