[_r.u.s.s.]

there you go, all nicely in a button

<div class="spoiler">

<input type="button" class="button" onclick='
if(this.nextSibling.nextSibling.style.display =="none"){
    this.nextSibling.nextSibling.style.display="block";
    this.value="Hide "+this.nextSibling.nextSibling.nextSibling.firstChild.nodeValue;;
}else{
    this.nextSibling.nextSibling.style.display="none";
    this.value="Show "+this.nextSibling.nextSibling.nextSibling.firstChild.nodeValue;
}
' value="Show potatoes"/>



<span style="display:none;" class="content">{param}</span><div style="display:none;">{option}</div>
</div>

^ NO WHITESPACE HERE!: {param}</span><div style="dis..

example (accept university certificate)

also, i cannot see the condition you are using in case of empty bbtag attribute so figure yourself. you add it only to one place where {option} is