From c369546b0a78fd97dd4b579b02bad09938bf68c0 Mon Sep 17 00:00:00 2001
From: linux_china <libing.chen@gmail.com>
Date: Mon, 1 Apr 2024 10:52:17 +0800
Subject: [PATCH] docs: add zlib2base64url

---
 info/stdlib.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/info/stdlib.md b/info/stdlib.md
index 7c0a53f..dd53deb 100644
--- a/info/stdlib.md
+++ b/info/stdlib.md
@@ -471,7 +471,8 @@ Formats:
 - `base58`
 - `base62`
 - `base64`,
-- `base64url`,
+- `base64url`: url safe without pad
+- `zlib2base64url`: zlib then base64url, good for online diagram service, such as [PlantUML](https://plantuml.com/), [Kroki](https://kroki.io/) 
 - `url`,
 - `hex-base64`,
 - `hex-base64url`,