This paper attempts to determine a more precise timeline for the onset of Open Syllable Lengthening in Dutch. We examined two late 14th-century Brabantic texts in theManuscript Marshall 29(1375 AD),MellibeusandSaladijn, and compared these with an older Brabantic textLutgartto ascertain when exactly Open Syllable Lengthening originated in (Brabantic) Middle Dutch. A combination of diachronic correspondences and a careful examination of the texts written in verse during the course of approximately 75 years has helped us to establish the synchronic systems of 13th- and 14th-century Middle Dutch, and, furthermore, has allowed us to determine the onset of prosodic changes such as Open Syllable Lengthening. Orthographic, rhythmic, and metrical evidence from the three texts suggests that the process was incomplete in the earliest period and was finalized in the late 14th century in Brabant, thereby refuting the standard assumption that the lengthening was completed before the onset of Middle Dutch in general.*

中文翻译：

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中古荷兰语的开放音节延长：来自诗歌的证据

本文试图为荷兰语开放音节延长的开始确定更精确的时间表。我们检查了两部 14 世纪晚期的布拉班特文本马歇尔手稿 29（公元 1375 年），梅利比乌斯和萨拉迪恩，并将这些与较早的布拉班特语文本进行比较卢特加特以确定何时确切地起源于（Brabantic）中荷兰语的开放音节延长。历时通信和对大约 75 年期间用诗歌写成的文本的仔细检查相结合，帮助我们建立了 13 世纪和 14 世纪的中古荷兰语的共时系统，此外，还使我们能够确定韵律变化的开始，例如开放音节延长。来自三个文本的正字法、韵律和格律证据表明，该过程在最早时期是不完整的，并于 14 世纪后期在布拉班特完成，从而驳斥了普遍的中古荷兰语开始之前完成延长的标准假设.*