bug#33133: 26.1.50; zlib-decompress-region too rigid

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@gmail.com>
> Cc: user42_kevin@yahoo.com.au,  yamaoka@jpl.org,  33133@debbugs.gnu.org
> Date: Tue, 30 Oct 2018 20:25:10 -0400
> 
> >From 43a912181a4a30d826b2c016ca05b5c9d8daf3f4 Mon Sep 17 00:00:00 2001
> From: Noam Postavsky <npostavs@gmail.com>
> Date: Sat, 27 Oct 2018 17:45:52 -0400
> Subject: [PATCH v2] Allow partial decompression (Bug#33133)
> 
> * src/decompress.c (Fzlib_decompress_region): Add optional
> ALLOW-PARTIAL parameter.
> * lisp/url/url-http.el (url-handle-content-transfer-encoding): Use it.
> * doc/lispref/text.texi (Decompression): Document it.
> * etc/NEWS: Announce it.

Thanks, this LGTM.