Add missing references and clean/complete bibliography entries.

doc/fix.hva

@@ -5,6 +5,7 @@
 \newcommand{\vfill}{}
 \newcommand{\hrulefill}{}
 \newcommand{\null}{}
+\newcommand{\path}[1]{\texttt{#1}}
 \renewcommand{\framebox}[1]{#1}
 
 \makeatletter

doc/manual.tex

@@ -422,9 +422,9 @@ are the following.
 % %   the future. Examples are available in \texttt{examples/programs}. *)
 % \end{itemize}
 
-\bibliographystyle{abbrv}
+\bibliographystyle{abbrvurl}
 \bibliography{manual}
-%\input{biblio-demons}
+%\bibliography{abbrevs,demons,demons2,demons3,team,crossrefs}
 
 
 % \cleardoublepage

doc/syntaxref.tex

@@ -242,7 +242,7 @@ This type is used in the standard library in the theories
 
 A declaration of the form \texttt{type f = < float \textit{eb sb} >}
 defines a type of floating-point numbers as specified by the IEEE-754
-standard~\cite{ieee754}. Here the literal \texttt{\textit{eb}}
+standard~\cite{ieee754-2008}. Here the literal \texttt{\textit{eb}}
 represents the number of bits in the exponent and the literal
 \texttt{\textit{sb}} the number of bits in the significand (including
 the hidden bit). Note that in order to make such a declaration the