Function isLine

mini-code-edit/cm/lib/codemirror.js:148–148

(l)

    else onBlur();

    function isLine(l) {return l >= 0 && l < doc.size;}
    // The instance object that we'll return. Mostly calls out to
    // local functions in the CodeMirror function. Some do some extra
    // range checking and/or clipping. operation is used to wrap the