Modified users' guide for new bug reporting page.

docs/src/building.tex

@@ -267,8 +267,7 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to <pasqua.dambra@cnr.it; daniela.diserafino@unicampania.it;
-salvatore.filippone@cranfield.ac.uk>.
+Report bugs to <https://github.com/sfilippone/mld2p4-2/issues>.
 \end{verbatim}
 
 For instance, if a user has built and installed PSBLAS 3.5 under the
@@ -301,10 +300,9 @@ followed (optionally) by
 make install
 \end{verbatim}
 \subsection{Bug reporting}
-If you find any bugs in our codes, please send an email to \\[2mm]
-\texttt{pasqua.dambra@cnr.it} \\
-\texttt{daniela.diserafino@unicampania.it} \\
-\texttt{salvatore.filippone@cranfield.ac.uk} \\[2mm]
+If you find any bugs in our codes, please report them through our
+issues page on \\[2mm]
+\url{https://github.com/sfilippone/mld2p4-2/issues}\\
 % please let us know at
 %\begin{rawhtml}
 %<a href="mailto:bugreport@mld2p4.it">
@@ -314,8 +312,9 @@ If you find any bugs in our codes, please send an email to \\[2mm]
 %</a>
 %\end{rawhtml}
 %; 
-You should be aware that the amount of information needed to reproduce a problem
-in a parallel program may vary quite a lot.
+To enable us to track the bug, please provide a log from the failing
+application, the test conditions, and ideally a self-contained test
+program reproducing the issue. 
 
 \subsection{Example and test programs\label{sec:ex_and_test}}
 The package contains the \verb|examples| and \verb|tests| directories;