update HISTORY

diff --git a/HISTORY b/HISTORY
index 7c36faf594f1b924684be9a3a5cbb74f1a359f58..aafb140bf4901a00976a9ebfda111c18a60fe7d4 100644 (file)
--- a/HISTORY
+++ b/HISTORY
@@ -1,5 +1,7 @@
 History
 
+2017/08/29: fix definition of \X to (?>\O(?:\Y\O)*)
+
 2017/08/28: Version 6.6.0
 
 2017/08/26: fix #67: can't compile with Visual Studio 2005