public/js/handsontable/jquery.handsontable.full.js
function ($td, cellProperties) {
      if (priv.isPopulated) {
        var data = $td.data('readOnly');
        if (typeof data === 'undefined') {
          return !cellProperties.readOnly;
        }
        else {
          return !data;
        }
      }
      return true;
    }
function ($td, cellProperties) {
      if (priv.isPopulated) {
        var data = $td.data('readOnly');
        if (typeof data === 'undefined') {
          return !cellProperties.readOnly;
        }
        else {
          return !data;
        }
      }
      return true;
    }
function ( $td , cellProperties ) { if ( priv . isPopulated ) { var data = $td . data ( 'readOnly' ) ; if ( typeof data === 'undefined' ) { return ! cellProperties . readOnly ; } else { return ! data ; } } return true ; }
Is cell writable
Is cell writable