N3: The lonk you provides expects the transclusion (preprocessor 3.4) before tags (processor 2.2). So the follow parameter behavior is broken. Igal
בתאריך יום ה׳, 13 בדצמ׳ 2018 ב-18:25 מאת יגאל חיטרון < [email protected]>: > The problem is the precedence, once again. I expect from the parser to > parse wiki markup before parsing html tags, because templates can create > new tags by transclusion. If the ref tag is parsed first, glueing the > unbalanced parts to one proper template call, that means that (1) the > template can't include ref tags with follow parameter, because they will > not be parsed any more; or (2) after the transclusion the tags are parsed > once again, with the same algorithm. Both variants look me as a bad choice. > So the fact that the bad code I posted works is a symptom for a parser > problem. > Igal > > > בתאריך יום ה׳, 13 בדצמ׳ 2018 ב-18:17 מאת Thiemo Kreuz < > [email protected]>: > >> The wikitext snippet you posted appears to be seriously broken. More >> precisely: It is unbalanced. Technically, there is no such thing as >> "broken" wikitext. The parser will always output something (as he does >> in the example). However, this doesn't mean such wikitext is ok. Sure, >> nobody is stopping anyone from writing unbalanced code. But it becomes >> unpredictable (as the example shows), unreliable, and effectively >> unmaintainable as it starts to heavily depend on quirky internal >> details of the parsers implementation, how it approaches certain >> aspects, and in which order they are processed. >> >> The bigger problem here is this: Even if you figure out how the parser >> works right now, it might change, as it already did many times. Have a >> look at pages like https://www.mediawiki.org/wiki/Markup_spec to get >> an idea of how complex this topic is, and how many people tried how >> many times to nail it down, all failing for one or the other reason. >> Code like the one you showed depends so much on the tiniest >> implementation detail of the parsing process, it becomes so fragile >> that it might break any day for reasons nobody could ever anticipate >> without a warning. >> >> Please balance your wikitext. >> >> Best >> Thiemo >> >> _______________________________________________ >> Wikitech-l mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
