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Evaluating an interproject-interlanguage link over a non-existent project
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Description

Author: aliter

Description:
The Novial Wikipedia would use interproject links to the Novial Wiktionary if
such a project existed. Since there's no such Wiktionary, the next best thing is
to use a different Wiktionary that has a lot of Novial words in it, eg. en:.

The expected link for this would be [[wikt:en:something]]. However, this won't
evaluate correctly since apparently at first only the project is evaluated.
Finding the correct language is thus left to the Novial Wiktionary, the very
project whose absence makes the more complex link necessary.


Version: unspecified
Severity: normal

Details

Reference
bz7496

Event Timeline

bzimport raised the priority of this task from to Low.Nov 21 2014, 9:27 PM
bzimport set Reference to bz7496.

[[en:wikt:something]] seems to work just fine

aliter wrote:

For me the link above is actually not fine; that [[en:wikt:something]] ends up
in a bad title error on en.wikipedia. Doing the same on nov: isn't fine either,
as there that string evaluates to nothing at all, leaving me with nothing to click.

Of course, even if changing the order would work, it wouldn't allow going to
eg. the Afar (aa:) wiktionary, since no aa.wikipedia exists to evaluate "wikt:".

aliter wrote:

  • I don't know what's causing the bad title error.
  • The problem on nov turns out to be a missing colon: naming the language first, this gets interpreted as same project interwiki, and is whisked off to the list of interwiki links.
  • Currently there's no problem of non-existent wikipedias, as these seem to exist for all languages we have projects in.
  • That doesn't mean the general case is handled, though. Imagine language aa wikibooks having a language bb language course, linking to a page in the language bb wiktionary. Neither a language aa wiktionary nor a language bb wikibooks is guaranteed to exist.

Change 94716 had a related patch set uploaded by TTO:
Make missing.php aware of interwiki prefixes

https://gerrit.wikimedia.org/r/94716

Change 94716 merged by jenkins-bot:
Make missing.php aware of interwiki prefixes

https://gerrit.wikimedia.org/r/94716

I've not tested all the cases, of course, but seems to be working. Congrats!

Bugreporter reopened this task as Open.Nov 28 2019, 7:25 PM
Bugreporter added subscribers: Ladsgroup, jhsoby, Dcljr and 2 others.

This stops working. See T238105#5686574