Again, since there's confusion. They want _every zstd decompressor_ to __already have__ the dictionary in question so that it can be specified as part of the s

Again, since there's confusion. They want _every zstd decompressor_ to __already have__ the dictionary in question so that it can be specified as part of the standard. E.G. 'instead of empty / an initial in file dictionary, use the standard dict #3' Such reference dictionary starts would be not be included in .zstd files, but would be shipped with the compressor source code.