Clarify reftex-extra-bindings docs.

* lisp/textmodes/reftex-vars.el (reftex-extra-bindings): Document that
the variable only has an effect at load-time.
* doc/misc/reftex.texi (Key Bindings): Ditto.

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/misc/reftex.texi b/doc/misc/reftex.texi
index 726ec4e8521..01d5ad7b022 100644
--- a/doc/misc/reftex.texi
+++ b/doc/misc/reftex.texi
@@ -2893,6 +2893,9 @@ default.  If you want to have these key bindings available, set in your
 (setq reftex-extra-bindings t)
 @end lisp
 
+Note that this variable has to be set before @RefTeX{} is loaded to
+have an effect.
+
 @vindex reftex-load-hook
 Changing and adding to @RefTeX{}'s key bindings is best done in the hook
 @code{reftex-load-hook}.  For information on the keymaps