Document bidi-aware behavior of arrow keys and display features.

 display.texi (Fringes): Document reversal of fringe arrows for R2L
 paragraphs.
 (Line Truncation): Fix wording for bidi display.
 basic.texi (Moving Point): Document bidi-aware behavior of the arrow keys.

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index a8a43f5..3e793d3 100644 (file)
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,12 @@
+2010-05-18  Eli Zaretskii  <eliz@gnu.org>
+
+       * display.texi (Fringes): Document reversal of fringe arrows for R2L
+       paragraphs.
+       (Line Truncation): Fix wording for bidi display.
+
+       * basic.texi (Moving Point): Document bidi-aware behavior of he arrow
+       keys.
+
 2010-05-08  Chong Yidong  <cyd@stupidchicken.com>
 
        * building.texi (GDB Graphical Interface): Remove misleading comparison

diff --git a/doc/emacs/basic.texi b/doc/emacs/basic.texi
index ae04ebf..654c017 100644 (file)
--- a/doc/emacs/basic.texi
+++ b/doc/emacs/basic.texi
@@ -146,6 +146,8 @@ keyboard commands that move point in more sophisticated ways.
 @findex move-end-of-line
 @findex forward-char
 @findex backward-char
+@findex right-arrow-command
+@findex left-arrow-command
 @findex next-line
 @findex previous-line
 @findex beginning-of-buffer
@@ -161,11 +163,19 @@ Move to the beginning of the line (@code{move-beginning-of-line}).
 @itemx @key{End}
 Move to the end of the line (@code{move-end-of-line}).
 @item C-f
-@itemx @key{right}
 Move forward one character (@code{forward-char}).
+@item @key{right}
+Move one character to the right (@code{right-arrow-command}).  This
+moves one character forward in text that is read in the usual
+left-to-right direction, but one character @emph{backward} if the text
+is read right-to-left, as needed for right-to-left scripts such as
+Arabic.  @xref{Bidirectional Editing}.
 @item C-b
-@itemx @key{left}
 Move backward one character (@code{backward-char}).
+@item @key{left}
+Move one character to the left (@code{left-arrow-command}).  This
+moves one character backward in left-to-right text and one character
+forward in right-to-left text.
 @item M-f
 @itemx M-@key{right}
 @itemx C-@key{right}

diff --git a/doc/emacs/display.texi b/doc/emacs/display.texi
index dcf424f..3d3a1e0 100644 (file)
--- a/doc/emacs/display.texi
+++ b/doc/emacs/display.texi
@@ -804,7 +804,10 @@ line, when one line of text is split into multiple lines on the
 screen.  The left fringe shows a curving arrow for each screen line
 except the first, indicating that ``this is not the real beginning.''
 The right fringe shows a curving arrow for each screen line except the
-last, indicating that ``this is not the real end.''
+last, indicating that ``this is not the real end.''  If the line's
+direction is right-to-left (@pxref{Bidirectional Editing}), the
+meaning of the curving arrows in the left and right fringes are
+swapped.
 
   The fringes indicate line truncation with short horizontal arrows
 meaning ``there's more text on this line which is scrolled
@@ -1191,8 +1194,8 @@ can display long lines by @dfn{truncation}.  This means that all the
 characters that do not fit in the width of the screen or window do not
 appear at all.  On graphical displays, a small straight arrow in the
 fringe indicates truncation at either end of the line.  On text-only
-terminals, @samp{$} appears in the first column when there is text
-truncated to the left, and in the last column when there is text
+terminals, @samp{$} appears in the leftmost column when there is text
+truncated to the left, and in the rightmost column when there is text
 truncated to the right.
 
 @vindex truncate-lines