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Note that 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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