From 79977cdf4b9a2fcac4c47b458cccca101686da63 Mon Sep 17 00:00:00 2001
From: Mirek Kratochvil <exa.exa@gmail.com>
Date: Mon, 14 Jul 2025 10:33:22 +0200
Subject: clean up, support external tokenizers

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index caec0e4..9de6a10 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,11 @@ Better docs is WIP
 cabal install
 ```
 
+Running of `werge` requires a working installation of `diff` compatible
+with the one from [GNU diffutils](https://www.gnu.org/software/diffutils/). You
+may set up a path to such `diff` (or a wrapper script) via environment variable
+`WERGE_DIFF`.
+
 ## Help & features
 
 ```
-- 
cgit v1.2.3