add: gtk_editable_delete_text ( GTK_EDITABLE ( detail_adresse_titulaire ), 0, -1 );
context: void remplissage_details_compte ( void ){    struct struct_banque *banque;    struct struct_devise *devise;    p_tab_nom_de_compte_variable = p_tab_nom_de_compte + compte_courant_onglet;    gtk_entry_set_text ( GTK_ENTRY ( detail_nom_compte ),			 NOM_DU_COMPTE );    gtk_option_menu_set_history ( GTK_OPTION_MENU ( detail_type_compte ),				  TYPE_DE_COMPTE );    devise = devise_par_no ( DEVISE );    gtk_option_menu_set_history ( GTK_OPTION_MENU (  detail_devise_compte),				  g_slist_index ( liste_struct_devises,						  devise ));    if ( TITULAIRE )	gtk_entry_set_text ( GTK_ENTRY ( detail_titulaire_compte ),			     TITULAIRE );    else	gtk_entry_set_text ( GTK_ENTRY ( detail_titulaire_compte ),			     "" );    if ( ADRESSE_TITULAIRE )    {	gtk_text_insert ( GTK_TEXT ( detail_adresse_titulaire ),			  NULL,			  NULL,			  NULL,			  ADRESSE_TITULAIRE,			  -1 );	gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON ( GTK_RADIO_BUTTON ( detail_bouton_adresse_commune ) -> group -> data ),				       TRUE );    }    else	gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON ( detail_bouton_adresse_commune ),				       TRUE );/*     remplissage des infos sur la banque */    banque = banque_par_no ( BANQUE );        if ( banque )    {	gtk_option_menu_set_history ( GTK_OPTION_MENU ( detail_option_menu_banque ),				      g_slist_index ( liste_struct_banques,						      banque )+ 1 );	if ( banque -> code_banque )	    gtk_label_set_text ( GTK_LABEL ( label_code_banque ),				 banque -> code_banque );	else	    gtk_label_set_text ( GTK_LABEL ( label_code_banque ),				 "" );    }    else    {	gtk_option_menu_set_history ( GTK_OPTION_MENU ( detail_option_menu_banque ),				      0 );	gtk_label_set_text ( GTK_LABEL ( label_code_banque ),			     "" );    }    if ( NO_GUICHET )	gtk_entry_set_text ( GTK_ENTRY ( detail_guichet ),			     NO_GUICHET );    else	gtk_entry_set_text ( GTK_ENTRY ( detail_guichet ),			     "" );    if ( NO_COMPTE_BANQUE )	gtk_entry_set_text ( GTK_ENTRY ( detail_no_compte ),			     NO_COMPTE_BANQUE );    else	gtk_entry_set_text ( GTK_ENTRY ( detail_no_compte ),			     "" );    if ( CLE_COMPTE )	gtk_entry_set_text ( GTK_ENTRY ( detail_cle_compte ),			     CLE_COMPTE );    else	gtk_entry_set_text ( GTK_ENTRY ( detail_cle_compte ),			     "" );    gtk_toggle_button_set_active ( GTK_TOGGLE_BUTTON( detail_compte_cloture ),				   COMPTE_CLOTURE );    gtk_entry_set_text ( GTK_ENTRY ( detail_solde_init ),			 g_strdup_printf ( "%4.2f",					   SOLDE_INIT ));    gtk_entry_set_text ( GTK_ENTRY ( detail_solde_mini_autorise ),			 g_strdup_printf ( "%4.2f",					   SOLDE_MINI ));    gtk_entry_set_text ( GTK_ENTRY ( detail_solde_mini_voulu ),			 g_strdup_printf ( "%4.2f",					   SOLDE_MINI_VOULU ));    gtk_editable_delete_text ( GTK_EDITABLE ( detail_commentaire ),			       0,			       -1 );    if ( COMMENTAIRE )	gtk_text_insert ( GTK_TEXT ( detail_commentaire ),			  NULL,			  NULL,			  NULL,			  COMMENTAIRE,			  -1 );    gtk_widget_set_sensitive ( hbox_boutons_modif,			       FALSE );}