[dev-context] Stretch charatcers

[luigi scarso]

function commands.LSws_hfilled(str,margin)
    local _
    _= margin and context.hfil()
    _= false
    for c in string.utfcharacters(str) do
        _=(_ and  context.hfil()) or  true
        context(c)
    end
    _=margin and context.hfil()
end

--
luigi