v3.1.1 Warn if encoded text ends in pad bytes. Minimise pad bytes used in decodings.
Merge pull request #424 from JamesParrott/Test_utf16_encoded_field_names v3.1.1 Warn if text encoding ends in pad bytes. Minimise pad bytes used in decodings.
Merge pull request #424 from JamesParrott/Test_utf16_encoded_field_names v3.1.1 Warn if text encoding ends in pad bytes. Minimise pad bytes used in decodings.