bpo-37760: Avoid cluttering work tree with downloaded Unicode files. (GH-15128)


diff --git a/.gitignore b/.gitignore
index 9445ef1..5f1ba0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,6 +74,7 @@
 PCbuild/arm64/
 PCbuild/obj/
 PCbuild/win32/
+Tools/unicode/data/
 .purify
 __pycache__
 autom4te.cache