Hi,

At Sat, 25 Jun 2005 14:15:43 +0900,
Joel VanderWerf wrote in [ruby-talk:146437]:
> OptionParser.new do |prsr|
>    prsr.on("-a",
>            "please use the",
>            "-b option instead")
> #          ^
> # insert a space above the caret to prevent
> # detection of -b as an option.
> #

OptionParser treats a string starts with "-" as an option name.

-- 
Nobu Nakada