VALUE(TXT_TITLE) LIKE THEAD-TDTITLE DEFAULT ' '
VALUE(E_TITLE) LIKE THEAD-TDTITLE
REFERENCE(I_TDTITLE) TYPE THEAD-TDTITLE OPTIONAL
REFERENCE(IV_TDTITLE) TYPE THEAD-TDTITLE OPTIONAL
VALUE(SS_FORMULAR_BEZ) LIKE THEAD-TDTITLE
VALUE(TEXT_TITLE) LIKE THEAD-TDTITLE