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(emacs-lisp-intro.info)More Complex

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A Few More Complex Functions
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   In this chapter, we build on what we have learned in previous
chapters by looking at more complex functions.  The `copy-to-buffer'
function illustrates use of two `save-excursion' expressions in one
definition, while the `insert-buffer' function illustrates use of an
asterisk in an `interactive' expression, use of `or', and the important
distinction between a name and the object to which the name refers.

copy-to-buffer

With `set-buffer', `get-buffer-create'.

insert-buffer

Read-only, and with `or'.

beginning-of-buffer

Shows `goto-char',

`point-min', and `push-mark'.

Second Buffer Related Review

optional Exercise