How to change the name of a buffer in Emacs?

How to change the name of a buffer in Emacs?

Designating a buffer as current so that primitives will access its contents. Accessing and changing buffer names. The buffer file name indicates which file is visited. A buffer is modified if it needs to be saved. Determining whether the visited file was changed behind Emacs’s back. Modifying text is not allowed in a read-only buffer.

Why is my Chinese font slow in Emacs?

Note: 2020-05-28, in emacs 26 or before, on Microsoft Windows 10, if you don’t set font for Chinese, and if a buffer has Chinese character, then emacs operation such as moving cursor will be super slow, like 1/3 of a second when you press arrow key. See also: Chinese Font

How to set the default font in Emacs?

How to set default font in emacs init file. Use set-frame-font to set font and size for all windows. Like this: ;; set default font in initial window and for any new window (cond ((string-equal system-type “windows-nt”) ; Microsoft Windows (when (member “DejaVu Sans Mono” (font-family-list)) (add-to-list ‘initial-frame-alist ‘(font .

This command marks the buffer as modified, since it does not (as far as Emacs knows) match the contents of filename, even if it matched the former visited file. It also renames the buffer to correspond to the new file name, unless the new name is already in use.

What’s the difference between buffer and nondirectory names?

The buffer file name is the name of the file that is visited in that buffer. When a buffer is not visiting a file, its buffer file name is nil. Most of the time, the buffer name is the same as the nondirectory part of the buffer file name, but the buffer file name and the buffer name are distinct and can be set independently.

Is the buffer name the same as the file name?

Most of the time, the buffer name is the same as the nondirectory part of the buffer file name, but the buffer file name and the buffer name are distinct and can be set independently. See Visiting Files . This function returns the absolute file name of the file that buffer is visiting.

What’s the best way to create a buffer?

Other functions you can use to create buffers include with-output-to-temp-buffer (see Temporary Displays) and create-file-buffer (see Visiting Files ). Starting a subprocess can also create a buffer (see Processes ).