Neue Überschriften-Formate in TYPO3 definieren

TS-Config

TCEFORM.tt_content.header_layout.addItems{
240 = H1 mit Unterüberschrift
}
#TCEFORM.tt_content.header_layout.removeItems = 8,9,10

Ins Setup

lib.stdheader = CASE
lib.stdheader {
key.field = header_layout
 
#H2 ROT (1)
240 = TEXT
240.field = header
240.wrap = <h1 class="withSubline">|</h1>
}