Recursive snippets expansion missing + preceding syntax ignored

[Rz-Rz]

In this snippets folders there are two snippets, password and checkout that are incorporated in another snippets btformbox. Only the first snippets in btformbox is expanded, the second dynamic snippet is ignored, and the preceding syntax is ignored.

{ html: { snippets: { signup: p>a{Sign Up}, navbar_bt5: .container>nav.navbar.navbar-expand-lg.navbar-light>a.navbar-brand{Logo or Text}+button.navbar-toggler[type='button' data-bs-toggle='collapse' data-bs- target='#navbarSupportedContent' aria-controls='navbarSupportedContent' aria-expanded='false' aria-label='Toggle navigation']>span.navbar-toggler-icon^div.collapse.navbar- collapse#navbarSupportedContent>ul.navbar-nav>li*3>a.nav-link{Text}, !bt: +html[lang=${lang}]>(head>meta[charset=${charset}]+meta:vp+link[href='https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css' rel='stylesheet' integrity='sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3' crossorigin='anonymous']+title{${1:Document}})+body>script[src='https://cdn.jsdelivr.net/npm/ bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js' integrity='sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p'], checkout: (div.mb-3.form-check>input[type='checkbox' class='form-check-input' id='exampleCheck1']+label[class='form-check-label' for='exampleCheck1']{Check me out!}), password: (.mb-3>label.form-label[for='exampleInputPassword1']{Password}+input[type='password' class='form-control' id='exampleInputPassword1']), btformbox: .form-body>.form-content>.form-items>form>(div.mb-3>label.form-label[for='exampleInputEmail1']{Email address}+input.form-control#exampleInputEmail1[type='email' aria- describedby='emailHelp']+div.form-text#emailHelp{We'll never share your email with anyone else.})+password+checkout } } }