usage: _pred_se "options your extension will handle" `0'
_pred_se returned results:
s(done)
_pred_se handled a standard case
s(varn)
name of new variable to generate
s(typ)
datatype of new variable to generate
s(rest)
command line for custom predictor to parse
Example:
program define mycmd6_p
local myopts "new-predict-options"
_pred_se "`myopts'" `0'
if `s(done)' { exit }
local vtyp `s(typ)'
local varn `s(varn)'
local 0 `"`s(rest)'"'
syntax [if] [in] [, `myopts' noOFFset]
...
end
mycmd6_p must handle default case of no options specified
mycmd6_p also handles cases when one of the options in
`myopts' is specified
