四分律刪繁補闕行事鈔 2.333

2.333

遺落食者，半在手中，半入口中。不犯者：啖薄餅、焦飯、瓜果、菜者。

Dropping bits of food means half remains in the hand and half enters the mouth. One does not commit an offense if: eating thin cakes, scorched rice, melons, fruits, or vegetables.