zstd.patch

runtime/doc/pi_gzip.txt | 1 +
runtime/doc/usr_23.txt  | 3 +++
runtime/plugin/gzip.vim | 6 +++++-
3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/runtime/doc/pi_gzip.txt b/runtime/doc/pi_gzip.txt
index 31cd81b..f76507e 100644
--- a/runtime/doc/pi_gzip.txt
+++ b/runtime/doc/pi_gzip.txt
@@ -27,6 +27,7 @@ with these extensions:
	*.bz2		bzip2
	*.lzma		lzma
	*.xz		xz
+	*.zst		zstd
That's actually the only thing you need to know.  There are no options.
diff --git a/runtime/doc/usr_23.txt b/runtime/doc/usr_23.txt
index d9c113c..1994384 100644
--- a/runtime/doc/usr_23.txt
+++ b/runtime/doc/usr_23.txt
@@ -332,6 +332,9 @@ compressing it again when you write it.
	.Z	compress
	.gz	gzip
	.bz2	bzip2
+	.lzma	lzma
+	.xz	xz
+	.zst	zstd
Vim uses the mentioned programs to do the actual compression and
decompression.  You might need to install the programs first.
diff --git a/runtime/plugin/gzip.vim b/runtime/plugin/gzip.vim
index edef149..cf45d42 100644
--- a/runtime/plugin/gzip.vim
+++ b/runtime/plugin/gzip.vim
@@ -20,25 +20,29 @@ augroup gzip
   "
   " Set binary mode before reading the file.
   " Use "gzip -d", gunzip isn't always available.
-  autocmd BufReadPre,FileReadPre	*.gz,*.bz2,*.Z,*.lzma,*.xz setlocal bin
+  autocmd BufReadPre,FileReadPre	*.gz,*.bz2,*.Z,*.lzma,*.xz,*.zst setlocal bin
   autocmd BufReadPost,FileReadPost	*.gz  call gzip#read("gzip -dn")
   autocmd BufReadPost,FileReadPost	*.bz2 call gzip#read("bzip2 -d")
   autocmd BufReadPost,FileReadPost	*.Z   call gzip#read("uncompress")
   autocmd BufReadPost,FileReadPost	*.lzma call gzip#read("lzma -d")
   autocmd BufReadPost,FileReadPost	*.xz  call gzip#read("xz -d")
+  autocmd BufReadPost,FileReadPost	*.zst  call gzip#read("zstd -q -d --rm")
   autocmd BufWritePost,FileWritePost	*.gz  call gzip#write("gzip")
   autocmd BufWritePost,FileWritePost	*.bz2 call gzip#write("bzip2")
   autocmd BufWritePost,FileWritePost	*.Z   call gzip#write("compress -f")
   autocmd BufWritePost,FileWritePost	*.lzma call gzip#write("lzma -z")
   autocmd BufWritePost,FileWritePost	*.xz  call gzip#write("xz -z")
+  autocmd BufWritePost,FileWritePost	*.zst  call gzip#write("zstd -q --rm")
   autocmd FileAppendPre			*.gz  call gzip#appre("gzip -dn")
   autocmd FileAppendPre			*.bz2 call gzip#appre("bzip2 -d")
   autocmd FileAppendPre			*.Z   call gzip#appre("uncompress")
   autocmd FileAppendPre			*.lzma call gzip#appre("lzma -d")
   autocmd FileAppendPre			*.xz   call gzip#appre("xz -d")
+  autocmd FileAppendPre			*.zst   call gzip#appre("zstd -q -d --rm")
   autocmd FileAppendPost		*.gz  call gzip#write("gzip")
   autocmd FileAppendPost		*.bz2 call gzip#write("bzip2")
   autocmd FileAppendPost		*.Z   call gzip#write("compress -f")
   autocmd FileAppendPost		*.lzma call gzip#write("lzma -z")
   autocmd FileAppendPost		*.xz call gzip#write("xz -z")
+  autocmd FileAppendPost		*.zst call gzip#write("zstd -q --rm")
augroup END