《读书》一九九六年第七期所载劳柯《闲览琐掇》一文,乃针对顾随《诗文论丛》一书有关姚鼐《登泰山记》中“苍山负雪明烛天南……”数语之断句而发。顾氏以今时课本点作”苍山负雪,明烛天南”为非,而主张断为首二句各以七字,即“苍山 “Reading” in the seventh issue of 1996, Laoke “Leisure Suozhang” article, is directed at following the “Poetry Collection,” a book about Yao Zhi “Mount Taishanji” in “Cangshan snow candle Tiannan ...... ”a few sentences of the sentence and hair. Gu’s current textbook as “Cangshan negative snow, bright candle sky south” right and wrong, while the assertion of the first two sentences each with seven words, namely "Cangshan