Reference for Chullin 239:6

אפילו נימא נמי הויא שומר

It is necessary that the writing be perfect and it is not so? - He must have overlooked the statement [of the Rabbis] in the West, viz. , Any hole [in parchment] over which the ink can pass is not considered a hole.

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow