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bug#61449: 30.0.50; diff-hl-dired: Consider adding a cookie to diff-hl-d

From: Dmitry Gutov
Subject: bug#61449: 30.0.50; diff-hl-dired: Consider adding a cookie to diff-hl-dired overlay
Date: Sun, 12 Feb 2023 15:12:37 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 
Hi!

On 12/02/2023 07:32, Ramesh Nedunchezian wrote:

       (when-let* ((diff-hl-overlay
                    (->> (overlays-in
                          (line-beginning-position)
                          (line-end-position))
                         (--filter (overlay-get it 'diff-hl))
                         car)))
         (overlay-get diff-hl-overlay 'diff-hl-dired-cookie))


Why do you need a cookie here?
IIUC all such overlays (with 'diff-hl' property) inside Dired buffers are relevant.
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