Documentation / technical / api-xdiff-interface.txton commit zlib: initialize git_zstream in git_deflate_init{,_gzip,_raw} (9a6f128)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)