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Learning GNU Emacs, 3rd Edition
book

Learning GNU Emacs, 3rd Edition

by Debra Cameron, James Elliott, Marc Loy, Eric S. Raymond, Bill Rosenblatt
December 2004
Beginner to intermediate content levelBeginner to intermediate
536 pages
19h 28m
English
O'Reilly Media, Inc.
Content preview from Learning GNU Emacs, 3rd Edition

Working with Windows

Windows are areas on the screen in which Emacs displays the buffers that you are editing. You can have multiple windows on the screen at one time, each displaying a different buffer or different parts of the same buffer. Granted, the more windows you have, the smaller each one is; unlike GUI windows, Emacs windows can't overlap, so as you add more windows, the older ones shrink. The screen is like a pie; you can cut it into many pieces, but the more pieces you cut, the smaller they have to be. You can place windows side-by-side, one on top of the other, or mix them. Each window has its own mode line that identifies the buffer name, the modes you're running, and your position in the buffer. To make it clear where one window begins and another ends, mode lines are usually shaded.

As we've said, windows are not buffers. In fact, you can have more than one window on the same buffer. Doing so is often helpful if you want to look at different parts of a large file simultaneously. You can even have the same part of the buffer displayed in two windows, and any change you make in one window is reflected in the other.

The difference between buffers and windows becomes important when you think about marking, cutting, and pasting text. Marks are associated with buffers, not with windows, and each buffer can have only one mark. If you go to another window on the same buffer and set the mark, Emacs moves the mark to the new location, forgetting the place you set it last. ...

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Publisher Resources

ISBN: 0596006489Supplemental ContentErrata Page