alv column text wraping whis CONCATENATE

Hi,

i got a special Problem here.

In my ALV Table i got a Colum name 'ZUSTIMMUNG'. In each field of this Colum i want to concatenate 6 data fields.
The Result schould be look like this:

a) blah

b) blubb

c) xyz

My Codings für the concatinate fields ist like this

DATA: zustimmung_conc TYPE char45,           a(3) type c VALUE ' a)'.     CLEAR zustimmung_conc.     IF wa_zberufuverf-zustimmen_a IS NOT INITIAL.       CONCATENATE a wa_zberufuverf-zustimmen_a INTO zustimmung_conc.     ENDIF.     IF wa_zberufuverf-zustimmen_b IS NOT INITIAL.       CONCATENATE zustimmung_conc ' b]' wa_zberufuverf-zustimmen_b INTO zustimmung_conc.     ENDIF.     IF wa_zberufuverf-zustimmen_c IS NOT INITIAL.       CONCATENATE zustimmung_conc ' c]' wa_zberufuverf-zustimmen_c INTO zustimmung_conc.     ENDIF.     wa_bv_uebersicht-zustimmung = zustimmung_conc.

Later in my coding i set the column wrapper to true

l_column = alv_config_table->if_salv_wd_column_settings~get_column( 'ZUSTIMMUNG' ).
 create OBJECT column_set_text.
 column_set_text->set_text_fieldname( 'ZUSTIMMUNG' ).
 column_set_text->set_wrapping( ABAP_TRUE ).
 l_column->set_cell_editor( column_set_text ).

The result in my ALV-Table is this

a)

blah

b)

blubb

c)

xyz

this is the result of the wrapping, i know, but without the wrapping i get

a) blah b) blubb c) xyz

it thougt the Concatenate would be helpfull but in combination with the wrapping i got a linebreak after each variable.

Is there a solution for me? to get what i whant?

kr

tobi