[Development] Preventing link rot in Qt docs

[Mitch Curtis]

+1, great idea.

> -----Original Message-----
> From: Development <development-bounces at lists.qt-project.org> On
> Behalf Of Sze Howe Koh
> Sent: Friday, 7 December 2018 1:47 PM
> To: Qt development mailing list <development at qt-project.org>
> Subject: [Development] Preventing link rot in Qt docs
> 
> In the transition from Qt 5.11 to Qt 5.12, some doc URLs have changed, for
> example:
> 
>     https://doc.qt.io/qt-5/android-support.html -> https://doc.qt.io/qt-
> 5/android.html
>     https://doc.qt.io/qt-5/androidgs.html -> https://doc.qt.io/qt-5/android-
> getting-started.html
> 
> While I do like the new URLs better, the old URLs now give Error 404.
> This is a problem because the Qt docs are heavily cited in the forums, the
> wiki, and external sites like StackOverflow. Search engines also take time to
> catch up, e.g. the top two results are currently dead at
> https://www.google.com/search?q=site%3Adoc.qt.io%2Fqt-5+android
> 
> Is it feasible to make doc redirections an integral part of the release process?
> Diffing the list of HTML files produced by qdoc should help a lot.
> 
> 
> Regards,
> Sze-Howe
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