X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/ab422c4d6899b1442cb6954c1829c1fb656b006c..8a85c254de2528be0f3ff154fa24df65e6557c1a:/doc/emacs/basic.texi diff --git a/doc/emacs/basic.texi b/doc/emacs/basic.texi index b9bc391d1c..bec7774f2a 100644 --- a/doc/emacs/basic.texi +++ b/doc/emacs/basic.texi @@ -1,5 +1,5 @@ @c This is part of the Emacs manual. -@c Copyright (C) 1985-1987, 1993-1995, 1997, 2000-2013 Free Software +@c Copyright (C) 1985-1987, 1993-1995, 1997, 2000-2014 Free Software @c Foundation, Inc. @c See file emacs.texi for copying conditions. @node Basic @@ -40,14 +40,20 @@ forward, so that point remains just after the inserted text. @xref{Point}. @kindex RET +@kindex C-j @cindex newline +@c @findex electric-indent-just-newline To end a line and start a new one, type @key{RET} (@code{newline}). (The @key{RET} key may be labeled @key{Return} or @key{Enter} on your keyboard, but we refer to it as @key{RET} in this manual.) This -command inserts a newline character into the buffer. If point is at -the end of the line, the effect is to create a new blank line after -it; if point is in the middle of a line, the line is split at that -position. +command inserts a newline character into the buffer, then indents +(@pxref{Indentation}) according to the major mode. If point is at the end +of the line, the effect is to create a new blank line after it and +indent the new line; if point is in the middle of a line, the line is +split at that position. To turn off the auto-indentation, you can +either disable Electric Indent mode (@pxref{Indent Convenience}) or +type @kbd{C-j}, which inserts just a newline, without any +auto-indentation. As we explain later in this manual, you can change the way Emacs handles text insertion by turning on @dfn{minor modes}. For instance, @@ -61,7 +67,7 @@ instead of shoving it to the right. @xref{Minor Modes}. @findex quoted-insert Only graphic characters can be inserted by typing the associated key; other keys act as editing commands and do not insert themselves. -For instance, @kbd{DEL} runs the command @code{delete-backward-char} +For instance, @key{DEL} runs the command @code{delete-backward-char} by default (some modes bind it to a different command); it does not insert a literal @samp{DEL} character (@acronym{ASCII} character code 127). @@ -133,8 +139,8 @@ how many copies of the character to insert (@pxref{Arguments}). point (@pxref{Point}). The keyboard commands @kbd{C-f}, @kbd{C-b}, @kbd{C-n}, and @kbd{C-p} move point to the right, left, down, and up, respectively. You can also move point using the @dfn{arrow keys} -present on most keyboards: @kbd{@key{right}}, @kbd{@key{left}}, -@kbd{@key{down}}, and @kbd{@key{up}}; however, many Emacs users find +present on most keyboards: @key{RIGHT}, @key{LEFT}, +@key{DOWN}, and @key{UP}; however, many Emacs users find that it is slower to use the arrow keys than the control keys, because you need to move your hand to the area of the keyboard where those keys are located. @@ -150,28 +156,38 @@ keyboard commands that move point in more sophisticated ways. @findex forward-char Move forward one character (@code{forward-char}). -@item @key{right} +@item @key{RIGHT} @kindex RIGHT @findex right-char +@vindex visual-order-cursor-movement +@cindex cursor, visual-order motion This command (@code{right-char}) behaves like @kbd{C-f}, with one exception: when editing right-to-left scripts such as Arabic, it instead moves @emph{backward} if the current paragraph is a -right-to-left paragraph. @xref{Bidirectional Editing}. +right-to-left paragraph. @xref{Bidirectional Editing}. If +@code{visual-order-cursor-movement} is non-@code{nil}, this command +moves to the character that is to the right of the current screen +position, moving to the next or previous screen line as appropriate. +Note that this might potentially move point many buffer positions +away, depending on the surrounding bidirectional context. @item C-b @kindex C-b @findex backward-char Move backward one character (@code{backward-char}). -@item @key{left} +@item @key{LEFT} @kindex LEFT @findex left-char This command (@code{left-char}) behaves like @kbd{C-b}, except it moves @emph{forward} if the current paragraph is right-to-left. -@xref{Bidirectional Editing}. +@xref{Bidirectional Editing}. If @code{visual-order-cursor-movement} +is non-@code{nil}, this command moves to the character that is to the +left of the current screen position, moving to the previous or next +screen line as appropriate. @item C-n -@itemx @key{down} +@itemx @key{DOWN} @kindex C-n @kindex DOWN @findex next-line @@ -180,7 +196,7 @@ to keep the horizontal position unchanged, so if you start in the middle of one line, you move to the middle of the next. @item C-p -@itemx @key{up} +@itemx @key{UP} @kindex C-p @kindex UP @findex previous-line @@ -206,8 +222,8 @@ Move to the end of the line (@code{move-end-of-line}). @findex forward-word Move forward one word (@code{forward-word}). -@item C-@key{right} -@itemx M-@key{right} +@item C-@key{RIGHT} +@itemx M-@key{RIGHT} @kindex C-RIGHT @kindex M-RIGHT @findex right-word @@ -220,12 +236,12 @@ right-to-left. @xref{Bidirectional Editing}. @findex backward-word Move backward one word (@code{backward-word}). -@item C-@key{left} -@itemx M-@key{left} +@item C-@key{LEFT} +@itemx M-@key{LEFT} @kindex C-LEFT @kindex M-LEFT @findex left-word -This command (@code{left-word}) behaves like @kbd{M-f}, except it +This command (@code{left-word}) behaves like @kbd{M-b}, except it moves @emph{forward} by one word if the current paragraph is right-to-left. @xref{Bidirectional Editing}. @@ -350,7 +366,7 @@ moves down into it. @table @kbd @item @key{DEL} -@itemx @key{Backspace} +@itemx @key{BACKSPACE} Delete the character before point, or the region if it is active (@code{delete-backward-char}). @@ -378,20 +394,20 @@ the preceding newline, joining this line to the previous one. If, however, the region is active, @kbd{@key{DEL}} instead deletes the text in the region. @xref{Mark}, for a description of the region. - On most keyboards, @key{DEL} is labeled @key{Backspace}, but we + On most keyboards, @key{DEL} is labeled @key{BACKSPACE}, but we refer to it as @key{DEL} in this manual. (Do not confuse @key{DEL} with the @key{Delete} key; we will discuss @key{Delete} momentarily.) On some text terminals, Emacs may not recognize the @key{DEL} key properly. @xref{DEL Does Not Delete}, if you encounter this problem. - The @key{delete} (@code{delete-forward-char}) command deletes in the + The @key{Delete} (@code{delete-forward-char}) command deletes in the ``opposite direction'': it deletes the character after point, i.e., the character under the cursor. If point was at the end of a line, this joins the following line onto this one. Like @kbd{@key{DEL}}, it deletes the text in the region if the region is active (@pxref{Mark}). @kbd{C-d} (@code{delete-char}) deletes the character after point, -similar to @key{delete}, but regardless of whether the region is +similar to @key{Delete}, but regardless of whether the region is active. @xref{Deletion}, for more detailed information about the above @@ -707,7 +723,7 @@ M-5 C-n moves down five lines. The keys @kbd{M-1}, @kbd{M-2}, and so on, as well as @kbd{M--}, are bound to commands (@code{digit-argument} and @code{negative-argument}) that set up an argument for the next -command. @kbd{Meta--} without digits normally means @minus{}1. +command. @kbd{M--} without digits normally means @minus{}1. If you enter more than one digit, you need not hold down the @key{META} key for the second and subsequent digits. Thus, to move