static const char *md_config_set_ca_proto(cmd_parms *cmd, void *dc, const char *value)
{
    md_srv_conf_t *config = md_config_get(cmd->server);
    const char *err;

    (void)dc;
    if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) {
        return err;
    }
    config->ca_proto = value;
    return NULL;
}
static const char *md_config_set_ca_proto(cmd_parms *cmd, void *dc, const char *value)
{
    md_srv_conf_t *config = md_config_get(cmd->server);
    const char *err;

    (void)dc;
    if (!inside_md_section(cmd) && (err = ap_check_cmd_context(cmd, GLOBAL_ONLY))) {
        return err;
    }
    config->ca_proto = value;
    return NULL;
}