From 5830340f1d14b3eab4234ea6030965f506756439 Mon Sep 17 00:00:00 2001
From: Levi Neely <lneely@pascom.net>
Date: Thu, 8 Oct 2026 20:57:25 +0200
Subject: [PATCH] docs(README): note plan9port as a runtime dep of the plumb
 plugin

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index d99ea22..dd26353 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,9 @@ These are hard constraints that shape every decision:
 - Kate 25.12.3, KDE Frameworks 6, Qt 6
 - C++20, CMake, extra-cmake-modules
 - C++ is the only first-class plugin path on this install (no Python/Pâté binding present)
+- [plan9port](https://9fans.github.io/plan9port/) — the `plumb` plugin is a
+  plumb client and talks to plan9port's plumber at runtime (see
+  [docs/PLUMBING.md](docs/PLUMBING.md)). Only needed if you enable `plumb`.
 
 ## Build