If a wiki page contains a link to another wiki page that both doesn't exist, and contains international characters in the title, it causes a 500 error on the page that contains the link.
So, I created these pages to test:
A non-test, page reported via email that exhibits this issue can be found here:
* https://sourceforge.net/p/dhp/wiki/%E5%A6%82%E4%BD%95%E4%B8%BA%E8%BF%9B%E5%85%A5%E5%B5%8C%E5%85%A5%E5%BC%8F%E8%A1%8C%E4%B8%9A%E5%81%9A%E5%87%86%E5%A4%87/
* Source here: https://sourceforge.net/p/dhp/wiki/%E5%A6%82%E4%BD%95%E4%B8%BA%E8%BF%9B%E5%85%A5%E5%B5%8C%E5%85%A5%E5%BC%8F%E8%A1%8C%E4%B8%9A%E5%81%9A%E5%87%86%E5%A4%87/edit
Fix is on allura js/2593. Follow instructions in the description to test.
Looks good, merged to dev.