[bibliography] Adjust spacing after full stops

Author: tkoeppe

source/back.tex

@@ -24,16 +24,16 @@ \chapter{Bibliography}
 % Literature references.
 \item
   Bjarne Stroustrup,
-  \doccite{The \Cpp{} Programming Language, second edition}, Chapter R.
+  \doccite{The \Cpp{} Programming Language, second edition}, Chapter R\@.
   Addison-Wesley Publishing Company, ISBN 0-201-53992-6, copyright \copyright 1991 AT\&T
 \item
-  Brian W. Kernighan and Dennis M. Ritchie,
-  \doccite{The C Programming Language}, Appendix A.
+  Brian W.\ Kernighan and Dennis M. Ritchie,
+  \doccite{The C Programming Language}, Appendix A\@.
   Prentice-Hall, 1978, ISBN 0-13-110163-3, copyright \copyright 1978 AT\&T
 \item
-  P.J. Plauger,
+  P.J.\ Plauger,
   \doccite{The Draft Standard \Cpp{} Library}.
-  Prentice-Hall, ISBN 0-13-117003-1, copyright \copyright 1995 P.J. Plauger
+  Prentice-Hall, ISBN 0-13-117003-1, copyright \copyright 1995 P.J.\ Plauger
 \end{itemize}
 
 The arithmetic specification described in ISO/IEC 10967-1:2012 is