evazion bbf2b53d83 aliases: fix broken wiki links when aliasing tags. ...

When aliasing A to B, update any wikis linking to [[A]] to link to [[B]]
instead.

This is a best-effort process based on rough heuristics. There are a few
known problems:

* We don't always know how to capitalize the new tag. We try to mimic
  the capitalization of the old tag, such that if the old tag was
  capitalized (because it was at the beginning of a sentence), or if
  every word in the old link was capitalized (because it's a proper
  noun), then the new link will be capitalized in the same way. This can
  handle simple general tags and character tags, but will fail for
  copyright tags with mixed capitalization. For example, we don't know
  that [[jojo_no_kimyou_na_bouken]] should be capitalized as [[JoJo no
  Kimyou na Bouken]]. If we don't know how to capitalize the new tag, we
  leave the old tag as-is so it can manually be fixed.

* Some aliases might require changing how a tag is pluralized. If we
  changed [[rat]] to [[mouse]], then we should change `[[rat]]s` to
  [[mice]]. We don't try to deal with this.

* In general, some changes might require entire sentences to be
  rewritten to keep the grammar correct. Changing something like
  [[skirt lift]] to [[lifting skirt]] could break the grammar of the
  sentence. We don't try to deal with this.

2020-08-26 19:02:19 -05:00

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