PerseusDL/canonical — pull request #117 by mlj (2014-12-15 13:32:45+00:00)
Title: Regularised use of act/scene in prologues in Plautus.

In most of the Plautine plays that have a prologue the prologue is a `div1` of its own. The exception is Amphitruo, which for some encodes this differently. This patch brings Amphitruo into line with the others.