Fix strings like "pokémon" (NFD form) and "pokémon" (NFC form) being considered different strings in sources. Also add a fix script to fix existing sources. There were only 15 posts with unnormalized sources.
Fix strings like "pokémon" (NFD form) and "pokémon" (NFC form) being considered different strings in sources. Also add a fix script to fix existing sources. There were only 15 posts with unnormalized sources.