From e28d2cdd753f5c224853f3d9ffe63f848709b41a Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sun, 27 Dec 2020 12:43:26 +0100
Subject: doc: Mention optional dependency on Guile-zstd.

* doc/guix.texi (Requirements): Add Guile-zstd.
---
 doc/guix.texi | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'doc')

diff --git a/doc/guix.texi b/doc/guix.texi
index 92ea87d6b7..cea7f8a8cf 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -851,6 +851,11 @@ Support for build offloading (@pxref{Daemon Offload Setup}) and
 @uref{https://github.com/artyom-poptsov/guile-ssh, Guile-SSH},
 version 0.13.0 or later.
 
+@item
+@uref{https://notabug.org/guile-zstd/guile-zstd, Guile-zstd}, for zstd
+compression and decompression in @command{guix publish} and for
+substitutes (@pxref{Invoking guix publish}).
+
 @item
 @uref{https://ngyro.com/software/guile-semver.html, Guile-Semver} for
 the @code{crate} importer (@pxref{Invoking guix import}).
-- 
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