Convert your .strings files to UTF-8 once and forever

.gitattributes

*.strings text diff

convert.sh

find . -name \*.strings -type f | \
    (while read file; do
      echo "convert $file";

      CHARSET=$(file -b --mime-encoding "$file")
      RC=$?
      if [[ $RC == 0 ]]; then
        mv "$file" "$file.original"
        iconv -sc -f $CHARSET -t utf-8 "$file.original" > "$file"
        rm "$file.original"
      else
        echo "failed to convert $file: $CHARSET"
      fi
    done)