Issue #21289: Fix documentation building on Windows using Doc/make.bat.

Also fixes a long-standing typo in Doc/README.txt.

Initial patch by Dave Sawyer.
diff --git a/Misc/ACKS b/Misc/ACKS
index 14eabd4..40f7cbe 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1152,6 +1152,7 @@
 Ty Sarna
 Hugh Sasse
 Bob Savage
+Dave Sawyer
 Ben Sayer
 sbt
 Marco Scataglini