eppy: \textregistered is invalid in math mode, wrap around with \textrm{}

Author: zyv

flier/eppy-handout.tex

@@ -145,12 +145,12 @@
 
 \vspace{0.5em}
 
-G-Node provides a free cloud-based service neuroscientists can use for storage, management and sharing of data (\url{https://portal.g-node.org/data/}). An API for data access is provided (\url{http://g-node.github.com/g-node-portal/}), allowing developers to code their own clients. A web-based interface as well as a client for MATLAB$^\textregistered$  (\url{http://g-node.github.com/gnode-client-matlab/}) are already provided. A client for Python is currently under development. When completed it shall provide:
+G-Node provides a free cloud-based service neuroscientists can use for storage, management and sharing of data (\url{https://portal.g-node.org/data/}). An API for data access is provided (\url{http://g-node.github.com/g-node-portal/}), allowing developers to code their own clients. A web-based interface as well as a client for MATLAB$^\textrm{\textregistered}$  (\url{http://g-node.github.com/gnode-client-matlab/}) are already provided. A client for Python is currently under development. When completed it shall provide:
 
 \begin{itemize}[nolistsep,topsep=0em,leftmargin=1pc]
 \item Compatibility with NEO: use it 'out-of-the-box' with existing code written for NEO and gain additional services provided by the G-Node 'for free'
 \item Smart lazy loading and caching for frugal bandwidth and memory usage
-\item Possibility to work in a mixed workflow: work on the same data in Python and MATLAB$^\textregistered$
+\item Possibility to work in a mixed workflow: work on the same data in Python and MATLAB$^\textrm{\textregistered}$
 \end{itemize}
 
 Stay tuned for development updates!