After reading it again. To support both macros with conditional skips, the syntax check would need to be duplicated like this:
.ifdef CHECK_DATA_VERIFY_HEADER_SYNTAX header syntax check here .elifndef NO_CHECK_DATA_VERIFY_HEADER_SYNTAX header syntax check here .endif -- Ian Kelling | Senior Systems Administrator, Free Software Foundation GPG Key: B125 F60B 7B28 7FF6 A2B7 DF8F 170A F0E2 9542 95DF https://fsf.org | https://gnu.org