From: David.Kastrup@t-online.de (David Kastrup)
Cc: monnier+gnu/emacs@rum.cs.yale.edu
Subject: Re: bug in forward-visible-line: Patch
Date: 23 May 2003 00:27:06 +0200 [thread overview]
Message-ID: <x5ptmamxc5.fsf@lola.goethe.zz> (raw)
In-Reply-To: <200305222140.h4MLe9r10843@eel.dms.auburn.edu>
Luc Teirlinck <teirllm@dms.auburn.edu> writes:
> What about the following function? I should still double-check it
> more carefully, but on first testing in a reasonably complex
> situation, it seems to work OK.
If (listp prop) evaluates to t, nil is always returned.
> ===File ~/invp.el===========================================
invp.el for a function visiblep?
> (defun visiblep (&optional pos)
> "Return t if character at POS is currently visible.
> POS defaults to point."
> (unless pos (setq pos (point)))
> (let ((prop (get-text-property pos 'invisible)))
> (cond
> ((null prop))
> ((eq buffer-invisibility-spec t) nil)
> ((memq prop buffer-invisibility-spec) nil)
> ((assq prop buffer-invisibility-spec) nil)
> ((listp prop)
> (catch 'found
> (dolist (var prop)
> (if (or (memq var buffer-invisibility-spec)
> (assq var buffer-invisibility-spec))
> (throw 'found nil)))))
> (t))))
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
next prev parent reply other threads:[~2003-05-22 22:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-22 4:43 bug in forward-visible-line: Patch Luc Teirlinck
2003-05-22 12:56 ` Stefan Monnier
2003-05-22 17:46 ` Luc Teirlinck
2003-05-22 21:40 ` Luc Teirlinck
2003-05-22 21:51 ` Stefan Monnier
2003-05-22 22:03 ` Luc Teirlinck
2003-05-22 22:23 ` Luc Teirlinck
2003-05-22 23:38 ` Luc Teirlinck
2003-05-23 0:03 ` Luc Teirlinck
2003-05-22 22:27 ` David Kastrup [this message]
2003-05-23 8:54 ` Miles Bader
2003-05-23 16:18 ` Luc Teirlinck
2003-05-24 23:19 ` Richard Stallman
2003-05-23 22:48 ` Richard Stallman
2003-05-23 15:50 ` Luc Teirlinck
2003-05-22 21:46 ` Luc Teirlinck
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