from this class, but this is not (yet) enforced. The \code{str()}
function, when applied to an instance of this class (or most derived
classes) returns the string value of the argument or arguments, or an
-empty string if no arguments were given to the constructor.
+empty string if no arguments were given to the constructor. When used
+as a sequence, this accesses the arguments given to the constructor
+(handy for backward compatibility with old code).
\end{excdesc}
\begin{excdesc}{StandardError}
The base class for built-in exceptions. All built-in exceptions are
derived from this class, which is itself derived from the root class
-\code{Exception}. For backward compatibility, when used as a
-sequence, this accesses the arguments given to the constructor.
+\code{Exception}.
\end{excdesc}
\begin{excdesc}{ArithmeticError}
from this class, but this is not (yet) enforced. The \code{str()}
function, when applied to an instance of this class (or most derived
classes) returns the string value of the argument or arguments, or an
-empty string if no arguments were given to the constructor.
+empty string if no arguments were given to the constructor. When used
+as a sequence, this accesses the arguments given to the constructor
+(handy for backward compatibility with old code).
\end{excdesc}
\begin{excdesc}{StandardError}
The base class for built-in exceptions. All built-in exceptions are
derived from this class, which is itself derived from the root class
-\code{Exception}. For backward compatibility, when used as a
-sequence, this accesses the arguments given to the constructor.
+\code{Exception}.
\end{excdesc}
\begin{excdesc}{ArithmeticError}