Please report any other irregularities here.
Created attachment 8883407 [details] httpvinnitsavoted_oporaua_org_votes_events.png User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0 Build ID: 20170630112252 Steps to reproduce: Go to URL http://vinnitsavoted.oporaua.org/votes_events, and Firefox open JSON responce in the internal JSON Viewer Actual results: This responce has a JSON array in which 9th (counted from 0) item looks like: "Результати поіменного голосування 16 сесії 7 скликан\ufffdя.pdf" -- in the "JSON" tab of the viewer "Результати поіменного голосування 16 сесії 7 скликан�я.pdf" -- in the "Raw data" tab of the viewer Expected results: Correct item looks like: "Результати поіменного голосування 16 сесії 7 скликання.pdf", so that 52nd (counted from 0) character of this item must looks just like previous (while checking source code of the JSON responce page, it looks correct).
Fixed by bug 1367894, which will land on Firefox 55. Not sure why the U+FFFD appeared at random places (reloading your link can change where they appear). The old stream converter did things that didn't make much sense to me, I got rid of them and now your JSON seems to work properly.
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Depends on: 1367894
Resolution: --- → FIXED
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