Tweak doc w.r.t to "void function" (bug#73886)

* doc/lispref/functions.texi (Function Cells): Avoid talking
about the function cell being void.

* src/data.c (Fboundp, Ffmakunbound, Fsymbol_function):
Don't suggest that "void" can be considered as a kind of value.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/data.c b/src/data.c
index bf83755bff3..904eaf35c1a 100644
--- a/src/data.c
+++ b/src/data.c
@@ -756,7 +756,7 @@ global value outside of any lexical scope.  */)
    breaking backward compatibility, as some users of fboundp may
    expect t in particular, rather than any true value.  */
 DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0,
-       doc: /* Return t if SYMBOL's function definition is neither void nor nil.  */)
+       doc: /* Return t if SYMBOL's function definition is not nil.  */)
   (Lisp_Object symbol)
 {
   CHECK_SYMBOL (symbol);
@@ -785,7 +785,7 @@ DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0,
        doc: /* Make SYMBOL's function definition be nil.
 Return SYMBOL.
 
-If a function definition is nil or void, trying to call a function by
+If a function definition is nil, trying to call a function by
 that name will cause a `void-function' error.  For more details, see
 Info node `(elisp) Function Cells'.
 
@@ -800,7 +800,7 @@ See also `makunbound'.  */)
 }
 
 DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0,
-       doc: /* Return SYMBOL's function definition, or nil if that is void or nil.  */)
+       doc: /* Return SYMBOL's function definition.  */)
   (Lisp_Object symbol)
 {
   CHECK_SYMBOL (symbol);