def expand_attribute_list(al, result)
al.each do |k, v|
case k
when :class
if not result[:class]
result[:class] = v
else
result[:class] += " " + v
end
when :id; result[:id] = v
when :ref;
if self.ald[v]
already = (result[:expanded_references] ||= [])
if not already.include?(v)
already.push v
expand_attribute_list(self.ald[v], result)
else
already.push v
maruku_error "Circular reference between labels.\n\n"+
"Label #{v.inspect} calls itself via recursion.\nThe recursion is "+
(already.map{|x| x.inspect}.join(' => '))
end
else
if not result[:unresolved_references]
result[:unresolved_references] = v
else
result[:unresolved_references] << " #{v}"
end
result[v.to_sym] = true
end
else
result[k.to_sym]=v
end
end
end