From 8e612e071b8c0fc99ebf91673f53ca5f0d6bdd11 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Sat, 20 Feb 2021 19:56:15 +0100
Subject: Document `lacme-accountd --stdio`.

It's an internal flag, but can be useful for authorized_keys(5)
restrictions.
---
 lacme-accountd.1.md | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lacme-accountd.1.md')

diff --git a/lacme-accountd.1.md b/lacme-accountd.1.md
index 4c494f2..476a150 100644
--- a/lacme-accountd.1.md
+++ b/lacme-accountd.1.md
@@ -81,6 +81,14 @@ Options
     error when `lacme-accountd` doesn't run as and the `XDG_RUNTIME_DIR`
     environment variable is unset or empty).
 
+`--stdio`
+
+:   Read signature requests from the standard input and write signatures
+    to the standard output, instead of using a UNIX-domain socket for
+    communication with the [ACME] client.
+    This _internal_ flag should never be used by standalone
+    `lacme-accountd` instances, only for those [`lacme`(8)] spawns.
+
 `-h`, `--help`
 
 :   Display a brief help and exit.
-- 
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