libgit2/rugged — comment on commit 67a20ab2c9b9d354ef4077cae901c94536b22855
File: ext/rugged/rugged_blob.c line 102
By brianmario:

Maybe say "this string is marked as ASCII-8BIT, Ruby's binary encoding" or something like that?

I only bring it up because there's also "US-ASCII" which has different semantics (only allows bytes 0x0-0x7f)