tree df22eebd65be5c9b32bdae3de73e29991a522a6e
parent d19dc1903cdb046be9d9e4bebb9ce624eb2a6270
author Yann Collet <cyan@fb.com> 1516389995 -0800
committer Yann Collet <cyan@fb.com> 1516389995 -0800

add `zcat` symlink support, suggested by @wtarreau

added some test
also updated relevant doc

+ fixed a mistake in `lz4` symlink support :
  lz4 utility doesn't remove source files by default (like zstd, but unlike gzip).
  The symlink must behave the same.