2 files changed, 5 insertions, 4 deletions
diff --git a/enum.c b/enum.c
index c59071588d..795aaf13a3 100644
--- a/enum.c
+++ b/enum.c
@@ -3107,9 +3107,10 @@ slicebefore_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator))
  *
  *    # split mails in mbox (slice before Unix From line after an empty line)
  *    open("mbox") { |f|
- *      f.slice_before(emp: true) { |line, h|
- *        prevemp = h[:emp]
- *        h[:emp] = line == "\n"
+ *      emp = true
+ *      f.slice_before { |line|
+ *        prevemp = emp
+ *        emp = line == "\n"
  *        prevemp && line.start_with?("From ")
  *      }.each { |mail|
  *        mail.pop if mail.last == "\n"
diff --git a/version.h b/version.h
index 08935639f6..b9028f3146 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.3"
 #define RUBY_RELEASE_DATE "2017-03-27"
-#define RUBY_PATCHLEVEL 266
+#define RUBY_PATCHLEVEL 267
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 3