As reported here Japanese language doesn't normally apply punctuation marks as , or ., but either 、 or 。. However, MinT seems to be generating Japanese sentences with latin-based punctuation (note the presence of , and . below):
このページは,翻訳と反省を提供できる [[$2のウィキメディア財団統治ウィキ]]の"$1"に移動されました.
This ticket proposes to analyze the current situation and explore options to improve the punctuation support, including post-processing of the results as it was done for Punjabi (T215083).