docs: update centos repos for 8.2; use latex logical for xcat
-In addition to the \OHPC{} package repository, the {\em master} host also
-requires access to the standard base OS distro repositories in order to resolve
-necessary dependencies. For \baseOS{}, the requirements are to have access to
-the BaseOS, Appstream, Extras, PowerTools, and EPEL repositories for which mirrors are freely available online:
+In addition to the \OHPC{}
+\iftoggle{isxCAT}{and \xCAT{} package repositories,}{package repository,}
+the {\em master} host also requires access to the standard base OS distro
+repositories in order to resolve necessary dependencies. For \baseOS{}, the
+requirements are to have access to the BaseOS, Appstream, Extras, PowerTools,
+and EPEL repositories for which mirrors are freely available online:
\begin{itemize*}
-\item CentOS-8 - Base 8.1.1911
+\item CentOS-8 - Base 8.2.2004
(e.g. \href{http://mirror.centos.org/centos-8/8/}
{\color{blue}{http://mirror.centos.org/centos-8/8/}} )
\item EPEL 8 (e.g. \href{http://download.fedoraproject.org/pub/epel/8/}
