ipython/ipython — pull request #1083 by takluyver (2011-12-01 13:16:48+00:00)
Title: Prompts

Building on @minrk's PR #1078.

This makes the rewrite prompt adapt to the size of the previous prompt. The minimum length (by default) is 3 characters: `-> `. It remains configurable, so if the user wants really short prompts, it can be replaced.