meillo@9: \begin{tabular}[hbt]{| l || c | c | c |}
meillo@9: 	\hline
meillo@9: 	Requirement & Importance & Pending work & Focus \\
meillo@9: 	\hline \hline
meillo@9: 	RG\,1: Security           & ++ & + & +++ \\
meillo@9: 	RG\,2: Reliability        & ++ & + & +++ \\
meillo@9: 	RG\,3: Robustness         & + & + & ++ \\
meillo@9: 	RG\,4: Extendability      & + & ++ & +++ \\
meillo@9: 	RG\,5: Maintainability    & + & 0 & + \\
meillo@9: 	RG\,6: Testability        & 0 & 0 & 0 \\
meillo@9: 	RG\,7: Performance        & -{}- & - & -{}-{}- \\
meillo@9: 	RG\,8: Availability       & - & - & -{}- \\
meillo@9: 	RG\,9: Portability        & - & -{}- & -{}-{}- \\
meillo@9: 	RG\,10: Usability         & + & -{}- & - \\
meillo@9: 	\hline
meillo@9: \end{tabular}