A fact from Xu Chi appeared on Wikipedia's Main Page in the Did you know column on 26 October 2019 (check views). The text of the entry was as follows:
Did you know... that after Xu Chi published his biography of mathematician Chen Jingrun, the latter received a sackful of love letters?
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Hey, Zanhe, I just changed the DYK hook from sack full to sackful, but of course I can only read a translation of the source. Recieved a sack full to me means someone handed him a sack, and it was full of letters. Sackful to me means he received enough letter to fill a sack. If I've just turned a correct hook into an incorrect one, please let me know asap, and apologies for the late change, I just moved this to queue this morning. --valereee (talk) 23:48, 25 October 2019 (UTC)[reply]