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From: "Herbert Euler" <herberteuler@hotmail.com>
To: emacs-devel@gnu.org
Cc: herberteuler@hotmail.com
Subject: Description of `buffer-invisibility-spec' in info page
Date: Fri, 30 Mar 2007 12:04:30 +0800	[thread overview]
Message-ID: <BAY143-F196064004A91AD45975523DA630@phx.gbl> (raw)

Description of `buffer-invisibility-spec' in info page
(info "(elisp) Invisible Text") is subtlely misleading.  For a cons cell,
it says:

`(ATOM . t)'
       A character is invisible if its `invisible' property
       value is ATOM or if it is a list with ATOM as a member.
       Moreover, if this character is at the end of a line and
       is followed by a visible newline, it displays an
       ellipsis.

But "at the end of a line" and "followed by a visible newline" are not
necessary.  For example, evaluating the following expressions gets
an ellipsis in the *scratch* buffer:

(add-to-invisibility-spec '(with-ellipsis . t))

(make-overlay 1 3)

(let ((o (car (overlays-at 1))))
  (overlay-put o 'invisible 'with-ellipsis))

Regards,
Guanpeng Xu

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             reply	other threads:[~2007-03-30  4:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-30  4:04 Herbert Euler [this message]
2007-03-31 20:43 ` Description of `buffer-invisibility-spec' in info page Richard Stallman

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