Make it clear that id() can return either a long integer or a plain integer.
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 7fdb599..3e6e3cb 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -302,11 +302,11 @@
\end{funcdesc}
\begin{funcdesc}{id}{object}
- Return the `identity' of an object. This is an integer which is
- guaranteed to be unique and constant for this object during its
- lifetime. (Two objects whose lifetimes are disjunct may have the
- same \function{id()} value.) (Implementation note: this is the
- address of the object.)
+ Return the `identity' of an object. This is an integer (or long
+ integer) which is guaranteed to be unique and constant for this
+ object during its lifetime. Two objects whose lifetimes are
+ disjunct may have the same \function{id()} value. (Implementation
+ note: this is the address of the object.)
\end{funcdesc}
\begin{funcdesc}{input}{\optional{prompt}}