I have fixed the spoiler tags used at AO as they have been broken for sometime. Thanks aceman67 for bringing this up.
Please use the following without spaces. [ spoiler ] text goes here [ /spoiler ]
When creating a new thread or clicking the reply button, you can also see the Spoil image in your editor.
Below is a sample working of the spoiler tag.
click to show spoiler
Surprise! Put stuff in here so that you don't ruin the plot or endings for others.