1.1 --- a/doc-src/Logics/Old_HOL.tex	Thu Jan 12 10:53:42 1995 +0100
     1.2 +++ b/doc-src/Logics/Old_HOL.tex	Fri Jan 13 02:00:43 1995 +0100
     1.3 @@ -1557,6 +1557,7 @@
     1.4  
     1.5  \index{primitive recursion|)}
     1.6  \index{*primrec|)}
     1.7 +\index{*datatype|)}
     1.8  
     1.9  
    1.10  \section{Inductive and coinductive definitions}