(Variable Aliases): `make-obsolete-variable' is a function and not a macro.

lispref/variables.texi

@@ -1719,8 +1719,8 @@ variable with a new name.  @code{make-obsolete-variable} declares that
 the old name is obsolete and therefore that it may be removed at some
 stage in the future.
 
-@defmac make-obsolete-variable variable new &optional when
-This macro makes the byte-compiler warn that the variable
+@defun make-obsolete-variable variable new &optional when
+This function makes the byte-compiler warn that the variable
 @var{variable} is obsolete.  If @var{new} is a symbol, it is the
 variable's new name; then the warning message says to use @var{new}
 instead of @var{variable}.  If @var{new} is a string, this is the
@@ -1729,7 +1729,7 @@ message and there is no replacement variable.
 If provided, @var{when} should be a string indicating when the
 variable was first made obsolete---for example, a date or a release
 number.
-@end defmac
+@end defun
 
 You can make two variables synonyms and declare one obsolete at the
 same time using the macro @code{define-obsolete-variable-alias}.