Обрезание текста

[SadBlackFox]

Сделал портал по офф мануалу:

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Есть такой шаблон:

Спойлер

<xf:title>Portal</xf:title>
<xf:widgetpos id="portal_view_sidebar" position="sidebar" />
<xf:if is="$featuredThreads is not empty">
    <xf:pagenav page="{$page}" perpage="{$perPage}" total="{$total}" link="portal" wrapperclass="block" />
    <xf:foreach loop="$featuredThreads" value="$featuredThread">
        <xf:macro name="thread_block"
            arg-thread="{$featuredThread.Thread}"
            arg-post="{$featuredThread.Thread.FirstPost}"
            arg-featuredThread="{$featuredThread}"
        />
    </xf:foreach>
    <xf:pagenav page="{$page}" perpage="{$perPage}" total="{$total}" link="portal" wrapperclass="block" />
<xf:else />
    <div class="blockMessage">No threads have been featured yet.</div>
</xf:if>

<xf:macro name="thread_block" arg-thread="!" arg-post="!" arg-featuredThread="!">
    <xf:css src="message.less" />

    <div class="block">
        <div class="block-container" data-xf-init="lightbox">
            <h4 class="block-header"><a href="{{ link('threads', $thread) }}">{$thread.title}</a></h4>
            <div class="block-body">
                <xf:macro name="message"
                    arg-post="{$post}"
                    arg-thread="{$thread}"
                    arg-featuredThread="{$featuredThread}"
                />
            </div>
            <div class="block-footer">
                <a href="{{ link('threads', $thread) }}">Continue reading...</a>
            </div>
        </div>
    </div>
</xf:macro>

<xf:macro name="message" arg-post="!" arg-thread="!" arg-featuredThread="!">
    <div class="message message--post message--simple">
        <div class="message-inner">
            <div class="message-cell message-cell--main">
                <div class="message-content js-messageContent">
                    <div class="message-attribution">
                        <div class="contentRow contentRow--alignMiddle">
                            <div class="contentRow-figure">
                                <xf:avatar user="{$post.User}" size="xxs" defaultname="{$post.username}" href="" />
                            </div>
                            <div class="contentRow-main contentRow-main--close">
                                <ul class="listInline listInline--bullet u-muted">
                                    <li><xf:username user="{$thread.User}" /></li>
                                    <li>
                                        <xf:if is="$xf.options.PortalDefaultSort == 'featured_date'">
                                            <xf:date time="{$featuredThread.featured_date}" />
                                        <xf:else />
                                            <xf:date time="{$thread.post_date}" />
                                        </xf:if>
                                    </li>
                                    <li><a href="{{ link('forums', $thread.Forum) }}">{$thread.Forum.title}</a></li>
                                    <li>{{ phrase('replies:') }} {$thread.reply_count|number}</li>
                                </ul>
                            </div>
                        </div>
                    </div>
                    <div class="message-userContent lbContainer js-lbContainer"
                         data-lb-id="post-{$post.post_id}"
                         data-lb-caption-desc="{{ $post.User ? $post.User.username : $post.username }} &middot; {{ date_time($post.post_date) }}"
                    >
                        <blockquote class="message-body">
                            {{ bb_code($post.message, 'post', $post.User, {
                                'attachments': $post.attach_count ? $post.Attachments : [],
                                'viewAttachments': $thread.canViewAttachments()
                            }) }}
                        </blockquote>
                    </div>
                </div>
            </div>
        </div>
    </div>
</xf:macro>

Вопрос: как обрезать текст на странице портала? Возможно ли обрезать не по кол-ву символов, а по абзацу?
Поиском нашёл только {xen:string wordTrim, $value, 100}, но что-то у меня не получается :(