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# Changelog
## 1.4.0 (2026-02-09)
* Add support for Ruby 4.0.
* Set up GitHub Actions for CI.
## 1.3.3 (2025-07-31)
* Raise an error if no value is provided for a non-flag switch.
## 1.3.2 (2020-08-20)
* Fix Ruby warnings.
## 1.3.1 (2019-07-11)
* Choose a sensible column width in generated help, based on content.
* Fix issue#99: extraneous parameter names in subcommand help.
## 1.3.0 (2018-06-17)
* Add `.execute` DSL method.
* Append '(required)' to the description of required options.
* Fix issue#75: don't generate `default_XXX` method unless a default is specified.
* Fix issue#90: allow required options to be provided after subcommands.
## 1.2.0 (2018-02-12)
* Add option to `Clamp.allow_options_after_parameters`.
## 1.1.2 (2017-02-12)
* Improve usage help for commands with both parameters and subcommands.
## 1.1.1 (2016-10-19)
* Rename `.declare_attribute` back to `.define_accessors_for`.
## 1.1.0 (2016-10-17)
* Add `#subcommand_missing`.
* Fix issue#66: pass parameter values down to nested subcommands.
* Drop support for Ruby 1.9 and 2.0.
## 1.0.1 (2016-10-01)
* Minor bug-fixes.
## 1.0.0 (2015-06-08)
* Allow options to be `:hidden`.
* I18N support.
## 0.6.5 (2015-05-02)
* Catch signals and exit appropriately.
## 0.6.4 (2015-02-26)
* Ensure computed defaults are only computed once.
## 0.6.3 (2013-11-14)
* Specify (MIT) license.
## 0.6.2 (2013-11-06)
* Refactoring around multi-valued attributes.
* Allow injection of a custom help-builder.
## 0.6.1 (2013-05-07)
* Signal a usage error when an environment_variable fails validation.
* Refactor setting, defaulting and inheritance of attributes.
## 0.6.0 (2013-04-28)
* Introduce "banner" to describe a command (replacing "self.description=").
* Introduce "Clamp do ... end" syntax sugar.
* Allow parameters to be specified before a subcommand.
* Add support for :multivalued options.
* Multi valued options and parameters get an "#append_to_foo_list" method, rather than
"#foo_list=".
* default_subcommand must be specified before any subcommands.
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