IMPORTANT! THIS TEMPLATE SHOULD NEVER BE SUBST'D.

Never use anything other than the exact pagetitle combined with <sub></sub> and <sup></sup>-tags.

Examples:

article-title real name working usage not working
H2O H2O {{downsize|H<sub>2</sub>O}} {{downsize|<span style="color: red">H<sub>2</sub>O</span>}}
F-15-marker F15 marker {{downsize|F-<sub>15</sub>-marker}} {{downsize|F<sub>15</sub> marker}}

If needed, adapt the article title and make use of redirects.