Fix regex with non-enclosed alternatives (fixes #243)

Change-Id: I3c26f8ae32c210cd1de9756ca5bfe2d90032bda5
diff --git a/Changes b/Changes
index 56eb739..a522f7a 100644
--- a/Changes
+++ b/Changes
@@ -8,6 +8,8 @@
     - [bugfix] Fix StackOverflowError in ExpandedSpans by turning
       a recursive call into a loop
       (fixes #121; diewald; AI-assisted Claude Opus 4.6)
+    - [bugfix] Fix regex alternation in non-enclosed groups
+      (fixes #243; diewald; AI-assisted Claude Opus 4.6)
 
 0.64.6 2026-03-09
     - [performance] Add leaf cache. (diewald)