From 4a2256278396f5ef7590bad02091c08fcd05b630 Mon Sep 17 00:00:00 2001
From: Timothy Crosley <timothy.crosley@gmail.com>
Date: Mon, 3 Aug 2020 21:28:31 -0700
Subject: [PATCH] Resolve #1368: Add extra_standard_library to the README

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

diff --git a/README.md b/README.md
index a5ba62c60..ed5eff44d 100644
--- a/README.md
+++ b/README.md
@@ -341,6 +341,7 @@ capitalization (`known_custom=custom` VS `sections=CUSTOM,...`) for all others r
 following mapping:
 
  - `known_standard_library` : `STANDARD_LIBRARY`
+ - `extra_standard_library` : `STANDARD_LIBRARY` # Like known standard library but appends instead of replacing
  - `known_future_library` : `FUTURE`
  - `known_first_party`: `FIRSTPARTY`
  - `known_third_party`: `THIRDPARTY`