http://www.oldflutes.com/articles/kurze/
摘自以上网文:
The short appoggiatura is usually performed in modern music as a very short note inserted before the time of the main note. However, it was expected to be played in the time of the main note (on-beat) throughout the 19th century and into the 20th. It is often heard misinterpreted by performers of 19th century music.
费了好大劲儿网上各种research,终于有了比较满意的答案,还是期望与大家继续探讨具体实例。