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Some of the standard commands are provided as separate ports for ease
of upgrading:

	devel/ruby-gems:	gem - RubyGems package manager
	devel/rubygem-rake:	rake - Ruby Make

And some of the standard libraries are provided as separate ports
since they require extra dependencies:

	converters/ruby-iconv:	iconv module
	databases/ruby-gdbm:	GDBM module
	x11-toolkits/ruby-tk:	Tcl/Tk modules
	japanese/ruby-tk:	Tcl/Tk modules for Japanized Tcl/Tk
	lang/ruby-mode.el:	Emacs lisp modules

Install them as occasion demands.
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