This isn't unusual in software. There are still ambiguities around edge-cases in surprisingly important specifications. For instance, apparently, even after 20

This isn't unusual in software. There are still ambiguities around edge-cases in surprisingly important specifications. For instance, apparently, even after 20 years of HTTP we still can't be sure we've nailed down a correct grammar[0]. I'm also in possession of a DNS zone file (a format that was very loosely specified going on 30 years ago) that is parsed 3 different ways by 3 different vendors. [0] https://www.rfc-editor.org/errata_search.php?rfc=7230&eid=4189 https://www.rfc-editor.org/errata_search.php?rfc=7230&eid=41...