zulip/web/templates/popovers/send_later_popover.hbs

<ul id="send_later_popover" class="nav nav-list">
    <li>
        <div class="enter_sends_choices grey-box">
            <label class="enter_sends_choice">
                <input type="radio" name="enter_sends_choice" class="prop-element" value="true"{{#if enter_sends_true }} checked{{/if}} />
                <div class="enter_sends_choice_text">
                    <span>
                        {{#tr}}
                            <z-shortcut></z-shortcut> to send
                            {{#*inline "z-shortcut"}}<kbd>Enter</kbd>{{/inline}}
                        {{/tr}}
                    </span>
                    <span class="enter_sends_minor">
                        {{#tr}}
                            <z-shortcut></z-shortcut> to add a new line
                            {{#*inline "z-shortcut"}}<kbd>Ctrl</kbd>+<kbd>Enter</kbd>{{/inline}}
                        {{/tr}}
                    </span>
                </div>
            </label>
            <label class="enter_sends_choice">
                <input type="radio" name="enter_sends_choice" class="prop-element" value="false"{{#unless enter_sends_true }} checked{{/unless}} />
                <div class="enter_sends_choice_text">
                    <span>
                        {{#tr}}
                            <z-shortcut></z-shortcut> to send
                            {{#*inline "z-shortcut"}}<kbd>Ctrl</kbd>+<kbd>Enter</kbd>{{/inline}}
                        {{/tr}}
                    </span>
                    <span class="enter_sends_minor">
                        {{#tr}}
                            <z-shortcut></z-shortcut> to add a new line
                            {{#*inline "z-shortcut"}}<kbd>Enter</kbd>{{/inline}}
                        {{/tr}}
                    </span>
                </div>
            </label>
        </div>
    </li>
    <hr />
    <li>
        <a class="open_send_later_modal" tabindex="0">{{t "Schedule message" }}</a>
    </li>
    {{#if formatted_send_later_time}}
        <li>
            <a class="send_later_selected_send_later_time" tabindex="0">{{t 'Schedule for {formatted_send_later_time}' }}</a>
        </li>
    {{/if}}
    <li>
        <a href="#scheduled" class="navigate-link-on-enter" tabindex="0">{{t "View scheduled messages" }}</a>
    </li>
    <hr class="drafts-item-in-popover" />
    <li class="drafts-item-in-popover">
        <a href="#drafts">{{t "Drafts"}}</a>
    </li>
</ul>