Apply suggested change to 'inverse' annotation grammar

Co-authored-by: Hans Olsson <HansOlsson@users.noreply.github.com>

chapters/functions.tex

@@ -1251,7 +1251,7 @@ \section{Derivatives and Inverses of Functions}\label{derivatives-and-inverses-o
 "inverse" "(" function-inverse { "," function-inverse } ")"
 
 function-inverse :
-   IDENT "=" name "(" IDENT { "," IDENT } ")"
+   IDENT "=" type-specifier function-call-args"
 \end{lstlisting}\end{synopsis}
 \begin{semantics}
 A function with one output formal parameter may have one or more \fmtannotationindex{inverse} annotations to define inverses of this function.