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Article #87617

"insert-buffer" behavior differs from documentation

#87617
From: Alan K. Stebbens aks
Date: Fri, 09 Sep 1994 20:55
45 lines
2105 bytes
The documentation of "insert-buffer" differs from its behavior; the doc
says:

    "insert-buffer: an interactive compiled Lisp function.
    (insert-buffer BUFFER)

    Insert after point the contents of BUFFER.
    Puts mark after the inserted text.
    BUFFER may be a buffer or a buffer name."

while the behavior is that point remains where it was prior to the
invocation of "insert-buffer".

Here's the proof:

Examine the following sexp and then eval it:

    (let ((buf1 (get-buffer-create "test"))
	  (buf2 (get-buffer-create "text")))
      (set-buffer buf2)
      (insert "THIS IS A NEW LINE\n")
      (set-buffer buf1)
      (insert "this is a test\n")
      (insert "this is line 2\n")
      (insert-buffer buf2)
      (insert "this is line 3\n")
      (display-buffer buf1))

Note that the "text" buffer is being inserted *between* lines 2 and 3 of
the "test" buffer.  But, what happens is this:

    this is a test
    this is line 2
    this is line 3
    THIS IS A NEW LINE

which can only be explained by the fact that (point) remains unchanged
by the "insert-buffer", thus causing the "line 3" insert to occur in
front of the "text" buffer insertion, rather than after, as you would
expect.

BTW, this is (emacs-version) "GNU Emacs 19.26.3 (mips-sgi-irix5.2, X
toolkit) of Thu Sep 8 1994 on dokoka"

Alan
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From: aks@dokoka.ucsb.edu (Alan K. Stebbens <aks@dokoka.ucsb.edu>)
Newsgroups: gnu.emacs.bug
Subject: "insert-buffer" behavior differs from documentation
Date: 9 Sep 1994 16:55:22 -0400
Organization: GNUs Not Usenet
Lines: 46
Sender: daemon@cis.ohio-state.edu
Approved: bug-gnu-emacs@prep.ai.mit.edu
Distribution: gnu
Message-ID: <9409092053.AA02126@dokoka>
Reply-To: Alan Stebbens <aks@hub.ucsb.edu>