Other multi-word options also use a hyphen rather than an underscore.
#~~~~~~~~~~~~~~~~~~~
"select output format for sizes"
enum typestr="format"
#~~~~~~~~~~~~~~~~~~~
"select output format for sizes"
enum typestr="format"
(2^40). The default is \"h\", i.e. human-readable.
"
(2^40). The default is \"h\", i.e. human-readable.
"
#~~~~~~~~~~~~~~~~~~~~
"select output format for counted values"
enum typestr="format"
#~~~~~~~~~~~~~~~~~~~~
"select output format for counted values"
enum typestr="format"