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(Horizontal Scrolling): Document cursor behavior under horizontal

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scrolling when point moves off the screen (Bug#4564).  Improve wording.
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Eli Zaretskii 2009-10-04 08:44:48 +00:00
parent a86cd3957b
commit 6308321a84
2 changed files with 26 additions and 8 deletions
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6
doc/emacs/ChangeLog
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@ -1,3 +1,9 @@
2009-10-04 Eli Zaretskii <eliz@gnu.org>
* display.texi (Horizontal Scrolling): Document cursor behavior under
horizontal scrolling when point moves off the screen (Bug#4564).
Improve wording.
2009-10-01 Michael Albinus <michael.albinus@gmx.de>
* files.texi (Directories): delete-directory prompts for recursive

28
doc/emacs/display.texi
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@ -209,13 +209,17 @@ lines are truncated rather than continued (@pxref{Line Truncation}).
If a window shows truncated lines, Emacs performs automatic horizontal
scrolling whenever point moves off the left or right edge of the
screen. To disable automatic horizontal scrolling, set the variable
@code{auto-hscroll-mode} to @code{nil}.
@code{auto-hscroll-mode} to @code{nil}. Note that when the automatic
horizontal scrolling is turned off, if point moves off the edge of the
screen, the cursor disappears to indicate that. (On text-mode
terminals, the cursor is left at the edge instead.)
@vindex hscroll-margin
The variable @code{hscroll-margin} controls how close point can get
to the window's edges before automatic scrolling occurs. It
is measured in columns. If the value is 5, then moving point within 5
columns of an edge causes horizontal scrolling away from that edge.
to the window's edges before automatic scrolling occurs. It is
measured in columns. For example, if the value is 5, then moving
point within 5 columns of an edge causes horizontal scrolling away
from that edge.
@vindex hscroll-step
The variable @code{hscroll-step} determines how many columns to
@ -239,10 +243,18 @@ Scroll to the right (@code{scroll-right}).
@kindex C-x >
@findex scroll-left
@findex scroll-right
@kbd{C-x <} (@code{scroll-left}) scrolls the selected window to the
left by the full width of the window, less two columns. (In other
words, the text in the window moves left relative to the window.)
With a numeric argument @var{n}, it scrolls by @var{n} columns.
@kbd{C-x <} (@code{scroll-left}) scrolls text in the selected window
to the left by the full width of the window, less two columns. (In
other words, the text in the window moves left relative to the
window.) With a numeric argument @var{n}, it scrolls by @var{n}
columns.
If the text is scrolled to the left, and point moves off the left
edge of the window, the cursor will freeze at the left edge of the
window, until point moves back to the displayed portion of the text.
This is independent of the current setting of
@code{auto-hscroll-mode}, which, for text scrolled to the left, only
affects the behavior at the right edge of the window.
@kbd{C-x >} (@code{scroll-right}) scrolls similarly to the right.
The window cannot be scrolled any farther to the right once it is