Intended to simplify the display of running headers (can also be used for footers) when transcribing scanned text pages. Many texts include running headers (chapter names, etc.) centered at the top of a page, with accompanying page numbers on the left or right side (depending on whether the page number is even or odd). The template accepts three arguments, corresponding to the left, center, and right sides of the running header.
The template may be called using implicit parameters, in which case the order is left, center, right. For example:
Alternatively, it may be called with explicit parameter names. For example: