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(Horizontal Scrolling): Document automatic-hscroll-margin and

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automatic-hscroll-step.
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Eli Zaretskii 2002-02-16 13:15:48 +00:00
parent 73a276beb4
commit 04bee768c5
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man/display.texi
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@ -640,6 +640,23 @@ for automatic horizontal scrolling. Automatic scrolling will continue
to scroll the window, but never farther to the right than the amount
you previously set by @code{scroll-left}.
@vindex automatic-hscroll-margin
The value of the variable @code{automatic-hscroll-margin} controls
how close to the window's edges point is allowed to get before the
window will be automatically scrolled. It is measured in columns.
@vindex automatic-hscroll-step
The variable @code{automatic-hscroll-step} determines how many
columns to scroll the window when point gets too close to its edge.
When point is closer to the window's edge than the number of columns
given by @code{automatic-hscroll-margin}, automatic horizontal
scrolling will scroll the window by the amount of columns determined
by this variable. If the value of @code{automatic-hscroll-step} is a
positive integer, the window is scrolled that many columns. If it's a
floating-point number, it specifies the fraction of the window's width
to scroll. If it's zero, point will be centered horizontally after
the scroll. The default is zero.
@vindex automatic-hscrolling
To disable automatic horizontal scrolling, set the variable
@code{automatic-hscrolling} to @code{nil}.