RFR: 4890732: GZIPOutputStream doesn't support, in fact thwarts, use of optional GZIP fields

Thu Mar 18 10:57:49 UTC 2021

On Thu, 18 Mar 2021 10:46:04 GMT, Lin Zang <lzang at openjdk.org> wrote:

> 4890732: GZIPOutputStream doesn't support, in fact thwarts, use of optional GZIP fields

Dear All, 
This PR introduce new constructor of GZIPOutputStream to support adding extra field info in gzip file header, as decribed in RFC 1952 gzip spec (https://tools.ietf.org/html/rfc1952).
BTW, does a CSR required for this PR?  

Thanks!
Lin

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PR: https://git.openjdk.java.net/jdk/pull/3072