{{#paper-dialog-inner}}
  {{#if alert}}
    {{#paper-dialog-content}}
      <h2 class="md-title">{{alert}}</h2>
      <p>{{content}}</p>
    {{/paper-dialog-content}}
    <div class="md-actions">
      {{#paper-button action="onOk"}}{{ok}}{{/paper-button}}
    </div>
  {{/if}}
  {{#if confirm}}
    {{#paper-dialog-content}}
      <h2 class="md-title">{{confirm}}</h2>
      <p>{{content}}</p>
    {{/paper-dialog-content}}
    <div class="md-actions">
      {{#paper-button action="onCancel" noink=true primary=true}}{{cancel}}{{/paper-button}}
      {{#paper-button action="onOk" noink=true primary=true}}{{ok}}{{/paper-button}}
    </div>
  {{/if}}
  {{yield}}
{{/paper-dialog-inner}}
{{#paper-dialog-inner}}
  {{#if alert}}
    {{#paper-dialog-content}}
      <h2 class="md-title">{{alert}}</h2>
      <p>{{content}}</p>
    {{/paper-dialog-content}}
    <div class="md-actions">
      {{#paper-button action="onOk" primary=true}}{{ok}}{{/paper-button}}
    </div>
  {{/if}}
  {{#if confirm}}
    {{#paper-dialog-content}}
      <h2 class="md-title">{{confirm}}</h2>
      <p>{{content}}</p>
    {{/paper-dialog-content}}
    <div class="md-actions">
      {{#paper-button action="onCancel" primary=true}}{{cancel}}{{/paper-button}}
      {{#paper-button action="onOk" primary=true}}{{ok}}{{/paper-button}}
    </div>
  {{/if}}
  {{yield}}
{{/paper-dialog-inner}}

Clarify alert and confirm buttons as primary=true. No ink is the default.
Clarify alert and confirm buttons as primary=true. No ink is the default.
