Most of the messages of emerge of the type ">>>" start with an initial uppercase letter, but not all. And most don't have a space before the ellipsis (...), but some mistakenly do. The attached patches fix all this, and some more. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Created attachment 50357 [details, diff] fixes missing caps in portage.py
Created attachment 50358 [details, diff] fixes missing caps in emerge
Merged into trunk
Fixed in r2641 for release in 2.1_pre5.
Released in 2.1_pre5. I had to revert the ">>> Emerging" bit in order to avoid breakage for tools such as genlop that parse emerge.log.