textutil: Add PrefixWriter and ByteReplaceWriter.

These are used in signature formatting, and are also generally
useful.

Change-Id: I0a1249de9b487875fdcbe12d83d7b4d4700b81f0
MultiPart: 3/3
3 files changed
tree: f316242fb516a7a4b5032bc06363360cddd33fc3
  1. cmdline/
  2. textutil/
  3. .gitignore