option-lists (オプションリスト)

http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#option-lists

sample 1

reST sample

-a            command-line option "a" 
-b file       options can have arguments 
              and long descriptions 
--long        options can be long also 
--input=file  long options can also have 
              arguments 
/V            DOS/VMS-style options too

output sample

-a command-line option “a”
-b file options can have arguments and long descriptions
--long options can be long also
--input=file long options can also have arguments
/V DOS/VMS-style options too