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Bug in elide-head
From: |
Matthias Meulien |
Subject: |
Bug in elide-head |
Date: |
07 Dec 2002 00:59:12 +0100 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 |
Hi,
I think there is a bug in `elide-head'.
Look at the way the header is made invisible:
(overlay-put elide-head-overlay 'invisible t)
Now suppose you call `elide-head' in a new buffer in `outline-mode';
`outline-mode' had add (outline . t) to `buffer-invisibility-spec', which
made `buffer-invisibility-spec' into a list. But
,----[ C-h v buffer-invisibility-spec RET ]
| (...)
| This variable is always local in all buffers.
| The default is t, which means that text is invisible
| if it has a non-nil `invisible' property.
| If the value is a list, a text character is invisible if its `invisible'
| property is an element in that list.
| If an element is a cons cell of the form (PROP . ELLIPSIS),
| then characters with property value PROP are invisible,
| and they have an ellipsis as well if ELLIPSIS is non-nil.
`----
The header will not disappear because the `invisible' property of the
elide-head-overlay isn't an element of `buffer-invisibility-spec' !
--
Matthias
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