GNU bug report logs - #79861
[PATCH v1] ; Add missing description of 'alpha-background' as a float

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Package: emacs; Reported by: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>; Keywords: patch; Done: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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Date: Sat, 22 Nov 2025 13:10:01 +0200
Message-Id: <86cy5afhme.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>
In-Reply-To: <875xb6sqzj.fsf@HIDDEN> (jacob.as.gordon@HIDDEN)
Subject: Re: bug#79861: [PATCH v1] ;
 Add missing description of 'alpha-background' as a float
References: <875xb6sqzj.fsf@HIDDEN>
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> From: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>
> Date: Tue, 18 Nov 2025 21:20:16 -0500
> 
> While working on something involving transparency, I noticed that the
> ‘alpha-background’ frame parameter can also be given as a float (see
> ‘gui_set_alpha_background’ in src/frame.c). This patch updates the
> documentation to note this fact.

Thanks, I've now fixed this using a slightly different wording.

I'm therefore closing this bug.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#79861; Package emacs. Full text available.

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On 2025-11-22 06:10, Eli Zaretskii wrote:
> I've now fixed this using a slightly different wording.

Yes that’s better, thank you!

-- 
Jacob S. Gordon
jacob.as.gordon@HIDDEN
Please avoid sending me HTML emails and MS Office documents.
https://useplaintext.email/#etiquette




Notification sent to "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>:
bug acknowledged by developer. Full text available.
Reply sent to "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>:
You have taken responsibility. Full text available.

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From: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: [PATCH v1] ; Add missing description of 'alpha-background' as a float
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--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

Tags: patch

Hello everyone,

While working on something involving transparency, I noticed that the
=E2=80=98alpha-background=E2=80=99 frame parameter can also be given as a f=
loat (see
=E2=80=98gui_set_alpha_background=E2=80=99 in src/frame.c). This patch upda=
tes the
documentation to note this fact.


--=-=-=
Content-Type: text/x-patch
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 filename=v1-0001-Add-missing-description-of-alpha-background-as-a-float.patch

From 818cf1a2b511174f1a7f34a30ac4f1b7a8a4feee Mon Sep 17 00:00:00 2001
From: "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>
Date: Tue, 18 Nov 2025 20:49:04 -0500
Subject: [PATCH v1] ; Add missing description of 'alpha-background' as a float

* doc/lispref/frames.texi (Font and Color Parameters): Update
description of 'alpha-background' to mention that it can be a float.
---
 doc/lispref/frames.texi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index c053d8c5543..0289adec2f1 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -2609,9 +2609,9 @@ Font and Color Parameters
 @cindex transparency, frame
 Sets the background transparency of the frame.  Unlike the @code{alpha}
 frame parameter, this only controls the transparency of the background
-while keeping foreground elements such as text fully opaque.  It
-should be an integer between 0 and 100, where 0 means
-completely transparent and 100 means completely opaque (default).
+while keeping foreground elements such as text fully opaque.  It should
+be an integer (float) between 0 and 100 (1.0), where 0 means completely
+transparent and the default of 100 (1.0) means completely opaque.
 
 @vindex borders-respect-alpha-background@r{, a frame parameter}
 @item borders-respect-alpha-background

base-commit: 4532f5ae8f690f1e663706aea265461061f6b522
-- 
Jacob S. Gordon
jacob.as.gordon@HIDDEN
Please avoid sending me HTML emails and MS Office documents.
https://useplaintext.email/#etiquette


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Thanks,

-- 
Jacob S. Gordon
jacob.as.gordon@HIDDEN
Please avoid sending me HTML emails and MS Office documents.
https://useplaintext.email/#etiquette

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Acknowledgement sent to "Jacob S. Gordon" <jacob.as.gordon@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#79861; Package emacs. Full text available.
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