set_neg_headers  2809 modules/mappers/mod_negotiation.c     set_neg_headers(r, neg, alg_choice);         /* add Alternates and Vary */
set_neg_headers  2885 modules/mappers/mod_negotiation.c         set_neg_headers(r, neg, alg_result);
set_neg_headers  2922 modules/mappers/mod_negotiation.c         set_neg_headers(r, neg, alg_result);