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Re: Replace selective-display in Gnus

From: Katsumi Yamaoka
Subject: Re: Replace selective-display in Gnus
Date: Fri, 16 Oct 2009 16:06:02 +0900
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1.50 (gnu/linux)

>>>>> Katsumi Yamaoka wrote:
> `next-single-char-property-change' used in `gnus-summary-show-thread'
> is not available in XEmacs 21.4 and SXEmacs.  Though it doesn't
> seem to disturb those XEmacsen from running Gnus so far.

Not only in XEmacs 21.4 and SXEmacs but also in XEmacs 21.5 and
Emacs 21, `C-M-h' works but `C-M-s' doesn't.

> Could it be replaced with a certain overlay function, like
> `next-overlay-change' (that XEmacs provides for the compatibility)?

After all I used the pure `extent' functions of XEmacs (not
fsf-compat/overlay.el) to fix the functions that replace
the selective-display feature of Gnus.

XEmacs 21.4 and SXEmacs users need to have the `calendar' XEmacs
package installed, that provides the `add-to-invisibility-spec'
function in auto-autoloads.el.


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