Index: devel/rubygem-clamp/Makefile
===================================================================
--- devel/rubygem-clamp/Makefile
+++ devel/rubygem-clamp/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	clamp
-PORTVERSION=	0.6.4
+PORTVERSION=	0.6.5
 CATEGORIES=	devel ruby
 MASTER_SITES=	RG
 
Index: devel/rubygem-clamp/distinfo
===================================================================
--- devel/rubygem-clamp/distinfo
+++ devel/rubygem-clamp/distinfo
@@ -1,2 +1,2 @@
-SHA256 (rubygem/clamp-0.6.4.gem) = e806278bee5df0aeaa7f15c55405a4d39ffe6182a1292c21462e1b771b60e138
-SIZE (rubygem/clamp-0.6.4.gem) = 24576
+SHA256 (rubygem/clamp-0.6.5.gem) = 384b6c144171d00afd1d588bca37ddb26efdfd7e6534ec6a47f9bef0b64cffbe
+SIZE (rubygem/clamp-0.6.5.gem) = 24576
Index: devel/rubygem-clamp/files/patch-i18n
===================================================================
--- devel/rubygem-clamp/files/patch-i18n
+++ devel/rubygem-clamp/files/patch-i18n
@@ -1,14 +1,14 @@
 --- clamp.gemspec.orig	2015-02-28 19:33:22.833353000 +0000
 +++ clamp.gemspec	2015-02-28 19:33:51.000931000 +0000
 @@ -11,7 +11,7 @@
-   s.date = "2015-02-26"
+   s.date = "2015-05-02"
    s.description = "Clamp provides an object-model for command-line utilities.\nIt handles parsing of command-line options, and generation of usage help.\n"
    s.email = "mdub@dogbiscuit.org"
 -  s.files = [".autotest", ".gitignore", ".rspec", ".travis.yml", "CHANGES.md", "Gemfile", "LICENSE", "README.md", "Rakefile", "clamp.gemspec", "examples/admin", "examples/flipflop", "examples/fubar", "examples/gitdown", "examples/scoop", "examples/speak", "lib/clamp.rb", "lib/clamp/attribute/declaration.rb", "lib/clamp/attribute/definition.rb", "lib/clamp/attribute/instance.rb", "lib/clamp/command.rb", "lib/clamp/errors.rb", "lib/clamp/help.rb", "lib/clamp/option/declaration.rb", "lib/clamp/option/definition.rb", "lib/clamp/option/parsing.rb", "lib/clamp/parameter/declaration.rb", "lib/clamp/parameter/definition.rb", "lib/clamp/parameter/parsing.rb", "lib/clamp/subcommand/declaration.rb", "lib/clamp/subcommand/definition.rb", "lib/clamp/subcommand/execution.rb", "lib/clamp/subcommand/parsing.rb", "lib/clamp/truthy.rb", "lib/clamp/version.rb", "spec/clamp/command_group_spec.rb", "spec/clamp/command_spec.rb", "spec/clamp/option/definition_spec.rb", "spec/clamp/option_module_spec.rb", "spec/clamp/parameter/definition_spec.rb", "spec/spec_helper.rb"]
 +  s.files = [".autotest", ".gitignore", ".rspec", ".travis.yml", "CHANGES.md", "Gemfile", "LICENSE", "README.md", "Rakefile", "clamp.gemspec", "examples/admin", "examples/flipflop", "examples/fubar", "examples/gitdown", "examples/scoop", "examples/speak", "lib/clamp.rb", "lib/clamp/attribute/declaration.rb", "lib/clamp/attribute/definition.rb", "lib/clamp/attribute/instance.rb", "lib/clamp/command.rb", "lib/clamp/errors.rb", "lib/clamp/help.rb", "lib/clamp/messages.rb", "lib/clamp/option/declaration.rb", "lib/clamp/option/definition.rb", "lib/clamp/option/parsing.rb", "lib/clamp/parameter/declaration.rb", "lib/clamp/parameter/definition.rb", "lib/clamp/parameter/parsing.rb", "lib/clamp/subcommand/declaration.rb", "lib/clamp/subcommand/definition.rb", "lib/clamp/subcommand/execution.rb", "lib/clamp/subcommand/parsing.rb", "lib/clamp/truthy.rb", "lib/clamp/version.rb", "spec/clamp/command_group_spec.rb", "spec/clamp/command_spec.rb", "spec/clamp/option/definition_spec.rb", "spec/clamp/option_module_spec.rb", "spec/clamp/parameter/definition_spec.rb", "spec/spec_helper.rb"]
    s.homepage = "http://github.com/mdub/clamp"
    s.licenses = ["MIT"]
-   s.rubygems_version = "2.4.5"
+   s.rubygems_version = "2.4.6"
 diff --git a/lib/clamp/attribute/instance.rb b/lib/clamp/attribute/instance.rb
 index 8f51cc3..acab485 100644
 --- lib/clamp/attribute/instance.rb