《南史·列传·卷五十九》
梁武帝受封梁王，及篡位时，以齐帝名义颁布的禅让文告，多由任窻写成。
梁台建，禅让文诰，多昉所具。
When Emperor Wu of Liang was conferred the title of King of Liang, and when he usurped the throne, the abdication document issued in the name of Emperor Qi was mostly written by Ren Huan.