From 8493de17ef53634ea1615b58d1474d8d8824af5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Foidl?= <gue@korporal.at>
Date: Wed, 2 Sep 2020 21:59:09 +0200
Subject: [PATCH 1/2] char.IsAscii xml doc comments

---
 src/libraries/System.Private.CoreLib/src/System/Char.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Char.cs b/src/libraries/System.Private.CoreLib/src/System/Char.cs
index 1a5f371b22d86e..a0d5650452bbff 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Char.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Char.cs
@@ -72,6 +72,14 @@ namespace System
         private static bool IsLatin1(char c) => (uint)c < (uint)Latin1CharInfo.Length;
 
         // Return true for all characters below or equal U+007f, which is ASCII.
+
+        /// <summary>
+        /// Returns <see langword="true"/> iff <paramref name="c"/> is an ASCII
+        /// character ([ U+0000..U+007F ]).
+        /// </summary>
+        /// <remarks>
+        /// Per http://www.unicode.org/glossary/#ASCII, ASCII is only U+0000..U+007F.
+        /// </remarks>
         public static bool IsAscii(char c) => (uint)c <= '\x007f';
 
         // Return the Unicode category for Unicode character <= 0x00ff.

From e477781fbbb6301ee02b30af3e6484eda44b52fe Mon Sep 17 00:00:00 2001
From: Dan Moseley <danmose@microsoft.com>
Date: Wed, 2 Sep 2020 16:05:46 -0700
Subject: [PATCH 2/2] Update
 src/libraries/System.Private.CoreLib/src/System/Char.cs

---
 src/libraries/System.Private.CoreLib/src/System/Char.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Char.cs b/src/libraries/System.Private.CoreLib/src/System/Char.cs
index a0d5650452bbff..cfb73a4b1b6c30 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Char.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Char.cs
@@ -74,7 +74,7 @@ namespace System
         // Return true for all characters below or equal U+007f, which is ASCII.
 
         /// <summary>
-        /// Returns <see langword="true"/> iff <paramref name="c"/> is an ASCII
+        /// Returns <see langword="true"/> if <paramref name="c"/> is an ASCII
         /// character ([ U+0000..U+007F ]).
         /// </summary>
         /// <remarks>