The tool is always messing up translations containing accented letters. The most recent example is this:
- Expected result: 'polynomial' -> 'polinômio'
- Actual result: 'polynomial' -> 'polinˆ omio'
This happened using Firefox 50, on https://pt.wikipedia.org/wiki/Special:ContentTranslation?page=Rational+root+theorem&from=en&to=pt&targettitle=Teorema+das+ra%C3%ADzes+racionais