Text which unfolds/folds like an accordion when you click on a heading above it can be inserted using the shortcut <fold> ... </fold>
The first part of the text after <fold> must be a subtitle. The subtitle shortcut {2{...}2} has been styled to be used in this way, with triangles.
An example of blocks of folding text can be seen on this page. And this is how you need to type it in:
<fold>
{2{When should I register?}2}
As soon as you know that you intend to visit Taizé, on your own or with a group, please make an initial registration, even if you are uncertain about the details. It is the most convenient way of making contact with the meetings team.
</fold>
<fold>
{2{Another question?}2}
Another answer ...
</fold>
...etc.Notes:
Blocks of folding text may be placed anywhere on the page and freely mixed with conventional text. Pictures may also be put in the folding text as long as they as included in a paragraph (let me know if you have trouble with this). For the moment, this technique will only work in articles and not on the mainsection pages, for example. It can be extended if there is a need...