Add zlib support via the `decompress-gzipped-region' function

This adds a new file, src/decompress.c, as well as tests for the
presence of -lz.

2 files changed, 8 insertions, 0 deletions

diff --git a/etc/ChangeLog b/etc/ChangeLog
index 1de3abd549c..cbaa780a4a4 100644
--- a/etc/ChangeLog
+++ b/etc/ChangeLog
@@ -1,3 +1,7 @@
+2013-08-11  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+        * NEWS: Mention -lz and `decompress-gzipped-region'.
+
 2013-08-08  Juanma Barranquero  <lekktu@gmail.com>
 
         * NEWS: Document new keybinding of `C-x r f' to frameset-to-register.
diff --git a/etc/NEWS b/etc/NEWS
index 370a9c82712..f5f6e48639e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -41,6 +41,10 @@ specially.
 ** Directories passed to configure option `--enable-locallisppath' are
 no longer created during installation.
 
+** Emacs can be compiled with zlib support.  If this library is present
+(which it normally is on most systems), the function
+`decompress-gzipped-region' becomes available.
+
 ---
 ** Emacs for NS (OSX, GNUStep) can be built with ImageMagick support.
 pkg-config is required to find ImageMagick libraries.