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Functions for enabling Java-style commpand-line option behavior.
java_style
An object of class list of length 3.
list
Functions for enabling Java-style command-line options. Java-style options are characterized by a single dash (-) before the option name.
-
By conventions, Java-style options cannot must begin with a upper or lower case letter.
Non-exported function *_flag_test, *_flag_to_name and *_name_to_flag
*_flag_test
*_flag_to_name
*_name_to_flag
gnu_style
ms_style