Maintain the series banner: ensure a single *Part of a series on [[series]].*
line sits directly under the H1 (the grammar slot before the infobox). Inserts
one when absent, rewrites a divergent one, no-ops on a match. A null/empty
series is a no-op — this maintains, it does not remove. Pure.
Maintain the series banner: ensure a single
*Part of a series on [[series]].*line sits directly under the H1 (the grammar slot before the infobox). Inserts one when absent, rewrites a divergent one, no-ops on a match. A null/emptyseriesis a no-op — this maintains, it does not remove. Pure.