(Variable Aliases): Clarify that aliases vars always have the same value.

diff --git a/lispref/variables.texi b/lispref/variables.texi
index a2fe4df4da1a6cbfaa40eea9c16fc3a9715223be..a10a157af1bce4f01d5b8a6b30d3701ce1afd7c7 100644 (file)
--- a/lispref/variables.texi
+++ b/lispref/variables.texi
@@ -1777,9 +1777,11 @@ compatibility.  You can do this with @code{defvaralias}.
 
 @defun defvaralias new-alias base-variable &optional docstring
 This function defines the symbol @var{new-alias} as a variable alias
-for symbol @var{base-variable}. This means that retrieving the value of
-@var{new-alias} returns the value of @var{base-variable}, and changing the
-value of @var{new-alias} changes the value of @var{base-variable}.
+for symbol @var{base-variable}. This means that retrieving the value
+of @var{new-alias} returns the value of @var{base-variable}, and
+changing the value of @var{new-alias} changes the value of
+@var{base-variable}.  The two aliased variable names always share the
+same value and the same bindings.
 
 If the @var{docstring} argument is non-@code{nil}, it specifies the
 documentation for @var{new-alias}; otherwise, the alias gets the same