as Arabic, Farsi, or Hebrew, is displayed in the correct visual order
as expected by users of those scripts. This display reordering is a
"Full bidirectionality" class implementation of the Unicode
-Bidirectional Algorithm. Buffers RTL text should look exactly the
-same as before.
+Bidirectional Algorithm. Buffers with no RTL text should look exactly
+the same as before.
For more information, see the node "Bidirectional Editing" in the
Emacs Manual.