let states = {"layouttable":{
"[":"ю",
"]":"щ",
"{":"Ю",
"}":"Щ",
"$":'"',
"%":":",
"`":"ё",
"~":"Ё",
"\\":"э",
"|":"Э",
"=":"ъ",
"+":"Ъ",
"'":"ж",
'"':"Ж",
";":"ь",
":":"Ь",
" ":" "
},
"code":0} // practically unused as long as there are no diacritics on the keyboard
;(function(){
    let s = "АБЦДЕФГЧИЙКЛМНОПЯРСТУВШХЫЗ"
    for (let i=0;i<s.length;i++) {
        states.layouttable[String.fromCodePoint(i+65)] = String.fromCodePoint(s.codePointAt(i))
        states.layouttable[String.fromCodePoint(i+97)] = String.fromCodePoint(s.codePointAt(i)+32)
    }
})();
let reset = () => {
    states.code = 0
}
let inRange = (s,a,b) => (a <= s && s <= b)
let isDiacritics = (s) => s !== undefined && inRange(s.charCodeAt(0), 0x0300, 0x036F)
return Object.freeze({"n":"Рус. Фонетическая","v":"none","c":"CuriousTo\uA75Bvald","m":"rewrite",
"tf":states.layouttable,
"l":"ruRU",
// return: [delete count, composed output]
"accept":(headkey,shiftin,altgrin,lowlayerkey)=>{
    let layer = 1*shiftin// + 2*altgrin
    states.code = 1

    let s = states.layouttable[lowlayerkey] || lowlayerkey

    if (isDiacritics(s)) {
        return ['1', '']
    }
    else {

        return ['0', s]
    }
},
"backspace":()=>{
    reset()
    return ''
},
"end":()=>{
    reset()
    return ''
},
"reset":()=>{ reset() },
"composing":()=>(states.code!=0)
})