%!xelatex
\documentclass{memoir}
\usepackage[no-math,quiet]{fontspec} 
\usepackage{polyglossia}
\setdefaultlanguage{english}
\usepackage[fontsize=10pt,baseline=\onelineskip,lines=42]{grid}
\setmainfont[Mapping=tex-text,Ligatures={Common}]{TeX Gyre Pagella}
\begin{document}
\noindent Hong Kong, People{\char"0D}s Republic of China\\
Hong Kong, People{\texttt{\char"0D}}s Republic of China\\
Hong Kong, People{\char"27}s Republic of China\\
Hong Kong, People{\textquotesingle}s Republic of China\\
Hong Kong, People's Republic of China\\
Hong Kong, People{\texttt{\char"27}}s Republic of China\\
too much horizontal spacing in last line :-(\\
\strut\\
Hong Kong, Peopl{\addfontfeature{LetterSpace=-15}e}{\texttt{\addfontfeature{LetterSpace=-15}\char"27}}s Republic of China\\
Hong Kong, Peopl{\addfontfeature{LetterSpace=-15}e}{\addfontfeature{LetterSpace=-15}\texttt{\char"27}}s Republic of China\\
Hong Kong, Peopl{\addfontfeature{LetterSpace=-15}e}{\texttt{\char"27}}s Republic of China\\
horizontal spacing before s not to be influenced :-(\\
\end{document}