Yeah, the widely supported method is to use spoiler tags
::: spoiler like this
Insert spoiler here
:::
Otherwise, some applications (like Eternity) support spoiler tags >!that are written like this!<
The first method is useful as collapsible formatting, but I prefer the second method in terms of appearance... It's just not supported very well across applications/instances.
You can with PieFed, but you would have to create a PieFed account to take advantage of that feature.
Yeah, the widely supported method is to use spoiler tags ::: spoiler like this Insert spoiler here :::
Otherwise, some applications (like Eternity) support spoiler tags >!that are written like this!<
The first method is useful as collapsible formatting, but I prefer the second method in terms of appearance... It's just not supported very well across applications/instances.