style

    /* fname has been declared with DeclareFilter, so we can look it up */

    mod_filter_cfg *cfg = CFG;

    ap_filter_rec_t *frec = apr_hash_get(cfg->live_filters, fname, APR_HASH_KEY_STRING);

    ap_filter_rec_t *frec = apr_hash_get(cfg->live_filters, fname,

                                         APR_HASH_KEY_STRING);

    /* if provider has been registered, we can look it up */

    ap_filter_rec_t *provider_frec = ap_get_output_filter_handle(pname);

    /* or if provider is mod_filter itself, we can also look it up */

    if (!provider_frec) {

        provider_frec = apr_hash_get(cfg->live_filters, pname, APR_HASH_KEY_STRING);

        provider_frec = apr_hash_get(cfg->live_filters, pname,

                                     APR_HASH_KEY_STRING);

    }

    if (!frec) {