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FAQ
Q: Why can't I use tildes to create a subscript inside a word? The notation guide says surrounding a word in tildes (e.g., ~foo~) should cause a subscript. But If I enter H~2~O, it doesn't format the 2 as a subscript.
A: When the first tilde is inside a word, the renderer (the software component that translates wiki formatting into HTML for onscreen display) isn't sure whether you really meant to create a subscript. If there's any ambiguity, you can surround the tilde with curly braces like so:
This produces H2O, as you would expect. This works for other formatting characters as well, including * for bold, _ for italics, etc.
