Yuán-dynasty Vinaya master Xǐngwù 省悟 (lifedates not preserved), zì / hào Xīnyuán 心源, also Xīnyuán lǜshī 心源律師 (“Master Mind-Source”), residing at the Yǎnzhōng lǜsì 演忠律寺 in Sìmíng 四明 (modern Níngbō, Zhèjiāng) — for which reason he is also known as Sìmíng [Xǐng]-wù 四明悟. Per DILA A000860: monk; Yuán dynasty; shēngzúnián bùxiáng (life dates not in detail).
Xǐngwù was the leading early-Yuán figure for the codification of Vinaya-school monastic regulations. Acting at the urging of Hǔyán zōngzhǔ 虎巖宗主 of the Míngqìng dàxìngguósì 明慶大興國寺 in Hángzhōu, he spent over twenty years compiling — by re-reading the Língzhī Yuánzhào 靈芝元照 and Nánshān Dàoxuān 南山道宣 sub-commentaries, by consulting Vinaya specialists, and by adapting the Chán monastic-code traditions inherited from Bǎizhàng 百丈 — a unified Vinaya-school monastic regulatory work in two parts: the Lǜyuàn shìguī 律苑事規 (KR6k0257, X1113, 10 juàn) and a Bèiyòng yàoyǔ 備用要語 (preserved within the same work). The first preface to the Lǜyuàn shìguī, by the literatus Yuán Jué 袁桷 (1266–1327), is dated Tàidìng 泰定 1 Zhōngyuánrì (1324); Xǐngwù’s own postface is dated Tàidìng yǐchǒu 泰定乙丑 = Tàidìng 2 (1325).
His Vinaya-school disciple Sìliáng 嗣良 (嗣良) collated the work; the Hángzhōu-region literatus Yuán Jué 袁桷 of the Hànlín 翰林 academy (alternate names Qīngróng jūshì 清容居士, Bócháng 伯長) wrote the preface, locating his own residence “next to the Kāiyuánsì” (the cradle of Yuán-dynasty Hángzhōu Vinaya practice).
Source: Lǜyuàn shìguī j.1 prefatory matter; DILA A000860; secondary literature noted by DILA: 今津洪岳 1953, “Zhōngguó fójiào jiàotuán de zhìdù bìng yílǐ guānyú zhū wénxiàn de kǎochá”, Zen-gaku Kenkyū 禪學研究 44: 1–6.