|| this.progressLength;
        const progressChar = line.getAttribute(`${this.pfx}-progressChar`)
            || this.progressChar;
        const chars = progressChar.repeat(progressLength);
		const progressPercent = line.getAttribute(`${this.pfx}-progressPercent`)
			|| this.progressPercent;
        line.textContent = '';
        this.container.appendChild(line);

            // > and will match according to the previous rules.
            const unescaped = p2.replace(/\\\*/g, '[^\\/]*')
            return p1 + unescaped
        }
    ],

    [
        // unescape, revert step 3 except for back slash
        // For example, if a user escape a '\\*',
        // after step 3, the result will be '\\\\\\*'
        /\\\\\\(?=[$.|*+(){^])/g,
        () => ESCAPE
    ],

    [

n=arguments.length,t=n,r=Array(t),i=s.call(arguments),o=E.Deferred(),a=function(t){return function(e){r[t]=this,i[t]=1<arguments.length?s.call(arguments):e,--n||o.resolveWith(r,i)}};if(n<=1&&(I(e,o.done(a(t)).resolve,o.reject,!n),"pending"===o.state()||m(i[t]&&i[t].then)))return o.then();while(t--)I(i[t],a(t),o.reject);return o.promise()}});var W=/^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;E.Deferred.exceptionHook=function(e,t){C.console&&C.console.warn&&e&&W.test(e.name)&&C.console.warn("jQuery.Deferred...

n=arguments.length,t=n,r=Array(t),i=s.call(arguments),o=E.Deferred(),a=function(t){return function(e){r[t]=this,i[t]=1<arguments.length?s.call(arguments):e,--n||o.resolveWith(r,i)}};if(n<=1&&(I(e,o.done(a(t)).resolve,o.reject,!n),"pending"===o.state()||m(i[t]&&i[t].then)))return o.then();while(t--)I(i[t],a(t),o.reject);return o.promise()}});var W=/^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;E.Deferred.exceptionHook=function(e,t){C.console&&C.console.warn&&e&&W.test(e.name)&&C.console.warn("jQuery.Deferred...

            //if a new date...