{Sub|Text to be subscripted} produces: Text to be subscripted
This template may be listed at Wikipedia:Subst as a good candidate for substituting (i.e. {subst:sub} ). On a page that uses the template many times, however, this is likely to clutter and lengthen the page significantly.
Text can also be subscripted simply by using the <sub> and </sub> tags, so that:
<sub>Text to be subscripted</sub> also produces: Text to be subscripted
