15.3 Miscellaneous Buffer Operations
Toggle read-only status of buffer (`toggle-read-only').
Change the name of the current buffer.
Scroll through a buffer.
A buffer can be "read-only", which means that commands to change its
text are not allowed. Normally, read-only buffers are created by
subsystems such as Dired and Rmail that have special commands to operate
on the text. Emacs also creates a read-only buffer if you visit a file
that is protected. To make changes in a read-only buffer, use the
command `C-x C-q' (`toggle-read-only'). It makes a read-only buffer
writable, and makes a writable buffer read-only. This works by setting
the variable `buffer-read-only', which has a local value in each buffer
and makes a buffer read-only if its value is non-`nil'.
`M-x rename-buffer' changes the name of the current buffer,
prompting for the new name in the minibuffer. There is no default. If
you specify a name that is used by a different buffer, an error is
signalled and renaming is not done.
`M-x view-buffer' is similar to `M-x view-file' (Note: Misc File
Ops), but it examines an already existing Emacs buffer. View mode
provides convenient commands for scrolling through the buffer but not
for changing it. When you exit View mode, the resulting value of point
remains in effect.
To copy text from one buffer to another, use the commands `M-x
append-to-buffer' and `M-x insert-buffer'. Note: Accumulating Text.
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