\input{mmd-article-header}
\def\mytitle{Line Break Test}
\input{mmd-article-begin-doc}

\part{Line Breaks}
\label{linebreaks}

This is a paragraph.
This is the same paragraph.

New paragraph.\\
Second line in same paragraph.

New paragraph.\\
Second line in same paragraph with linebreak at end. 

New paragraph.
Second line in same paragraph if (escaped-line-breaks) enabled.

\input{mmd-memoir-footer}

\end{document}