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-rw-r--r--lib/time.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/time.rb b/lib/time.rb
index 1c43371..796dfd6 100644
--- a/lib/time.rb
+++ b/lib/time.rb
@@ -19,7 +19,7 @@
#
# === Doesn't depend on strftime
#
-# This library doesn't use +strftime+. Especially #rfc2822 doesn't depend
+# This library doesn't use +Time#strftime+. Especially #rfc2822 doesn't depend
# on +strftime+ because:
#
# * %a and %b are locale sensitive
@@ -35,6 +35,10 @@
# %z is required to generate zone in date-time of RFC 2822
# but it is not portable.
#
+# Note that +Time#strftime+ doesn't use +strftime()+ function in libc since Ruby 1.9.
+# This means +Time#strftime+ is locale-insensitive since Ruby 1.9.
+# The above statements are not valid now.
+#
require 'date/format'