The project at 5j9/wikitextparser has 100% code coverage as per codecov.io. Should its "complete implementation" be changed in the table from "almost" to "yes"? I shall update it myself, if this post gets no response.
Topic on Talk:Alternative parsers/Archive 2
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Code coverage indicates how well a project is tested (whatever the project), it has nothing to do with parsing 100% wikitext or not... Regards.
Any criteria for checking 100% implementation of wikitext? Perhaps everything onhttps://en.wikipedia.org/wiki/Help:Wikitext?