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From: "Clément Pit--Claudel" <clement.pitclaudel@live.com>
To: 28595@debbugs.gnu.org
Subject: bug#28595: In mode-line-format, `:propertize' drops some existing text properties
Date: Sun, 24 Sep 2017 15:03:02 +0200	[thread overview]
Message-ID: <5fc2a28b-84e2-ad99-b0ea-47829ecceb11@live.com> (raw)


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Hi all,

Based on the docs, the three following forms should yield the same results:

(format-mode-line `(:propertize #("AB" 1 2 (x 0)) y 0))
(format-mode-line `(:propertize ("A" #("B" 0 1 (x 0))) y 0))
(format-mode-line '(:propertize ("A" (:propertize "B" x 0)) y 0))

But they don't:

(format-mode-line `(:propertize #("AB" 1 2 (x 0)) y 0))
=> #("AB" 0 2 (y 0)) ;; x 0 is dropped

(format-mode-line '(:propertize ("A" (:propertize "B" x 0)) y 0))
⇒ #("AB" 0 1 (y 0) 1 2 (x 0)) ;; y 0 is dropped on 1..2

(format-mode-line `(:propertize ("A" #("B" 0 1 (x 0))) y 0))
⇒ #("AB" 0 1 (y 0) 1 2 (y 0 x 0)) ;; Seems right

Am I misreading the docs?
Clément.


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             reply	other threads:[~2017-09-24 13:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-24 13:03 Clément Pit--Claudel [this message]
2017-09-25 18:52 ` bug#28595: In mode-line-format, `:propertize' drops some existing text properties Eli Zaretskii
2017-09-25 23:10   ` Clément Pit--Claudel
2017-09-29 12:27     ` Eli Zaretskii

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