will accept those characters. Latin-1 characters can also be input by
using the @kbd{C-x 8} prefix, see @ref{Unibyte Mode}.
-On X Window systems, your locale should be set to an appropriate value
-to make sure Emacs interprets keyboard input correctly; see
+On the X Window System, your locale should be set to an appropriate
+value to make sure Emacs interprets keyboard input correctly; see
@ref{Language Environments, locales}.
@end itemize
whether text in the buffer is reordered for display. If its value is
non-@code{nil}, Emacs reorders characters that have right-to-left
directionality when they are displayed. The default value is
-@code{nil}.
+@code{t}.
Each paragraph of bidirectional text can have its own @dfn{base
direction}, either right-to-left or left-to-right. (Paragraph
-boundaries are defined by the regular expressions
-@code{paragraph-start} and @code{paragraph-separate}, see
-@ref{Paragraphs}.) Text in left-to-right paragraphs begins at the
-left margin of the window and is truncated or continued when it
+boundaries are empty lines, i.e.@: lines consisting entirely of
+whitespace characters.) Text in left-to-right paragraphs begins at
+the left margin of the window and is truncated or continued when it
reaches the right margin. By contrast, text in right-to-left
paragraphs begins at the right margin and is continued or truncated at
the left margin.
the right-to-left direction on the following paragraph, while
@code{LEFT-TO-RIGHT MARK}, or @sc{lrm} forces the left-to-right
direction. (You can use @kbd{C-x 8 RET} to insert these characters.)
-In a GUI session, the @sc{lrm} and @sc{rlm} characters display as
-blanks.
+In a GUI session, the @sc{lrm} and @sc{rlm} characters display as very
+thin blank characters; on text terminals they display as blanks.
Because characters are reordered for display, Emacs commands that
operate in the logical order or on stretches of buffer positions may