usage: test-tool parse-options <options>

    A helper function for the parse-options API.

    --[no-]yes            get a boolean
    -D, --no-doubt        begins with 'no-'
    --doubt               opposite of --no-doubt
    -B, --no-fear         be brave
    -b, --[no-]boolean    increment by one
    -4, --[no-]or4        bitwise-or boolean with ...0100
    --[no-]neg-or4        same as --no-or4

    -i, --[no-]integer <n>
                          get a integer
    --[no-]i16 <n>        get a 16 bit integer
    -j <n>                get a integer, too
    -u, --unsigned <n>    get an unsigned integer
    --u16 <n>             get a 16 bit unsigned integer
    --[no-]set23          set integer to 23
    --mode1               set integer to 1 (cmdmode option)
    --mode2               set integer to 2 (cmdmode option)
    --[no-]mode34 (3|4)   set integer to 3 or 4 (cmdmode option)
    -L, --[no-]length <str>
                          get length of <str>
    -F, --[no-]file <file>
                          set file to <file>

String options
    -s, --[no-]string <string>
                          get a string
    --[no-]string2 <str>  get another string
    --[no-]st <st>        get another string (pervert ordering)
    -o <str>              get another string
    --longhelp            help text of this entry
                          spans multiple lines
    --[no-]list <str>     add str to list

Magic arguments
    -NUM                  set integer to NUM
    +                     same as -b
    --ambiguous           positive ambiguity
    --no-ambiguous        negative ambiguity

Standard options
    --[no-]abbrev[=<n>]   use <n> digits to display object names
    -v, --[no-]verbose    be verbose
    -n, --[no-]dry-run    dry run
    -q, --[no-]quiet      be quiet
    --[no-]expect <string>
                          expected output in the variable dump

Alias
    -A, --[no-]alias-source <string>
                          get a string
    -Z, --[no-]alias-target <string>
                          alias of --alias-source

