How to reproduce:
- Go to https://zh.wikipedia.org/wiki/Wikipedia:中文烏爾都語社群協作計畫/MMSList as a logged user
- Enter a page title at the field "add page" (加入頁面) and click button "add page" (加入頁面)
Nothing happened. No new revision appeared in the page history.
The page entered would be included in the Massmessage list.
Platform when the bug is seen: Chrome 71 on Android 9
User agent: Mozilla/5.0 (Linux; Android 9; TA-1052) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Mobile Safari/537.36