[bug#45460] [PATCH 5/5] doc: Mention optional dependency on Guile-zstd.

[Ludovic Courtès]

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

diff --git a/doc/guix.texi b/doc/guix.texi
index ed38f2e37b..dafa1ffc56 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -850,6 +850,11 @@ 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}).
-- 
2.29.2