#408 Warnings on standalone files on redirected pages

[Anonymous]

See attached picture. This is a page that's been moved, so that the old page location is a redirect. When I view it via the old URL, WW complains that it's unclear which project to add the standalone .tex-math files to. This should not happen. Those should invisibly manifest in unique projects, one per file, and the viewer should never be bothered about them.

[Lee Worden]

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-See attached picture.  This is a page that's been moved, so that the old page location is a redirect.  When I view it via the old URL, WW complains that it's unclear which project to add the *standalone .tex-math files* to.  This should not happen.  Those should invisibly manifest in unique projects, one per file, and the viewer should never be bothered about them.  See attached screenshot.    
+See attached picture.  This is a page that's been moved, so that the old page location is a redirect.  When I view it via the old URL, WW complains that it's unclear which project to add the *standalone .tex-math files* to.  This should not happen.  Those should invisibly manifest in unique projects, one per file, and the viewer should never be bothered about them.

[Lee Worden]

With my fixes to [#409], I think this is fixed - at least I'm not reproducing it now.

[Lee Worden]

Looks like this is still happening.

[Lee Worden]

I looked around when I was in WWInterface::render_after_parsing() for another purpose, which is where those warnings and questions come from. I don't think it'd be hard to fix - just notice when you're on a page that redirects to the page on record. It's not obvious how to do that, though. I think the WikiPage class is the one that knows what the page's redirect target is - at least in recent MW, because that class didn't exist before 1.19 or so. So I'd have to implement two fixes, one for current wikis and one for old wikis. I guess I could just fix it for new wikis and leave old ones broken, since they're going away...

[Lee Worden]

(I could also just tell it to never complain about standalones, but the bug would still be there for other files on redirect pages.)