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To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.
This is a utility template used by Template:Taxonomy. The purpose is to ensure that if a taxon name at species rank or lower has an abbreviated genus name, when displayed there is no line break between the genus abbreviation and the specific name or epithet.
It does this by replacing the first occurrence of "
. " by "