From 72f7664c709ce2e2bb383ec4559cdf2703d7592a Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Tue, 13 Jul 2021 14:13:38 +0200
Subject: [PATCH] comment

---
 packages/taler-wallet-core/src/crypto/talerCrypto.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/taler-wallet-core/src/crypto/talerCrypto.ts b/packages/taler-wallet-core/src/crypto/talerCrypto.ts
index 7e08d2051..71a804f98 100644
--- a/packages/taler-wallet-core/src/crypto/talerCrypto.ts
+++ b/packages/taler-wallet-core/src/crypto/talerCrypto.ts
@@ -194,6 +194,12 @@ function kdfMod(
   }
 }
 
+// Newer versions of node have TextEncoder and TextDecoder as a global,
+// just like modern browsers.
+// In older versions of node or environments that do not have these
+// globals, they must be polyfilled (by adding them to globa/globalThis)
+// before stringToBytes or bytesToString is called the first time.
+
 let encoder: any;
 let decoder: any;