From d1ffd3966fc724f439201e7a64def9da0f31338b Mon Sep 17 00:00:00 2001
From: Milos Djermanovic <milos.djermanovic@gmail.com>
Date: Fri, 2 Aug 2019 21:47:34 +0200
Subject: [PATCH 1/2] Docs: Remove readonly/writable global logic from no-undef
 (fixes #11963)

---
 docs/rules/no-undef.md | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/docs/rules/no-undef.md b/docs/rules/no-undef.md
index f5dc5a280c5..f0fdf3a1e08 100644
--- a/docs/rules/no-undef.md
+++ b/docs/rules/no-undef.md
@@ -11,33 +11,20 @@ Examples of **incorrect** code for this rule:
 ```js
 /*eslint no-undef: "error"*/
 
-var a = someFunction();
-b = 10;
+var foo = someFunction();
+var bar = a + 1;
 ```
 
 Examples of **correct** code for this rule with `global` declaration:
 
 ```js
-/*global someFunction b:writable*/
+/*global someFunction, a*/
 /*eslint no-undef: "error"*/
 
-var a = someFunction();
-b = 10;
+var foo = someFunction();
+var bar = a + 1;
 ```
 
-The `b:writable` syntax in `/*global */` indicates that assignment to `b` is correct.
-
-Examples of **incorrect** code for this rule with `global` declaration:
-
-```js
-/*global b*/
-/*eslint no-undef: "error"*/
-
-b = 10;
-```
-
-By default, variables declared in `/*global */` are read-only, therefore assignment is incorrect.
-
 ## Options
 
 * `typeof` set to true will warn for variables used inside typeof check (Default false).

From cb2cc9265fdeecac297aa7fa125b654571fbf5e0 Mon Sep 17 00:00:00 2001
From: Milos Djermanovic <milos.djermanovic@gmail.com>
Date: Mon, 5 Aug 2019 17:51:26 +0200
Subject: [PATCH 2/2] Add references to other rules

---
 docs/rules/no-undef.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/docs/rules/no-undef.md b/docs/rules/no-undef.md
index f0fdf3a1e08..faaf978cc8d 100644
--- a/docs/rules/no-undef.md
+++ b/docs/rules/no-undef.md
@@ -25,6 +25,12 @@ var foo = someFunction();
 var bar = a + 1;
 ```
 
+Note that this rule does not disallow assignments to read-only global variables.
+See [no-global-assign](no-global-assign.md) if you also want to disallow those assignments.
+
+This rule also does not disallow redeclarations of global variables.
+See [no-redeclare](no-redeclare.md) if you also want to disallow those redeclarations.
+
 ## Options
 
 * `typeof` set to true will warn for variables used inside typeof check (Default false).
@@ -98,3 +104,8 @@ If explicit declaration of global variables is not to your taste.
 ## Compatibility
 
 This rule provides compatibility with treatment of global variables in [JSHint](http://jshint.com/) and [JSLint](http://www.jslint.com).
+
+## Related Rules
+
+* [no-global-assign](no-global-assign.md)
+* [no-redeclare](no-redeclare.md)