After setting the logging job identity, all the following logging
calls refer to this \jobid and the sequence code is incremented
according to the source component. See \cite{lbug} for information
-about sequence codes and event numbering as well as the description,
-how is the sequence code updated.
+about sequence codes and event numbering, especially the description,
+how the sequence codes are updated.
\subsubsection{Return values}
The logging functions return 0 on success and one of \texttt{EINVAL,