Very minor refactoring and performance maintenance release 6.15.1.

dok-net · dok-net · commit 19e283fae2ee · 2021-11-20T16:09:33.000+01:00
diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit d017e7eb9fd4ec39f45f31b9fcb9cf677c9daa5a
+Subproject commit cff4deb789ebd05d60a2eff5258693664d52f8a9
