--- a/examples/log.lua	Sun Sep 11 01:08:22 2016 +0800
+++ b/examples/log.lua	Fri Sep 16 07:55:11 2016 +0800
@@ -3,8 +3,8 @@
 
 local client = hglib.Client.open()
 
-client:runcommand('clone', '-U', 'https://bitbucket.org/av6/lua-hglib', '/tmp/testrepo')
-local code, o, e, d = client:runcommand('log', '-l', '5', '-T', 'json', '-R', '/tmp/testrepo')
+client:runcommand({'clone', '-U', 'https://bitbucket.org/av6/lua-hglib', '/tmp/testrepo'})
+local code, o, e, d = client:runcommand({'log', '-l', '5', '-T', 'json', '-R', '/tmp/testrepo'})
 client:close()
 
 if code == 0 then

--- a/examples/version.lua	Sun Sep 11 01:08:22 2016 +0800
+++ b/examples/version.lua	Fri Sep 16 07:55:11 2016 +0800
@@ -2,7 +2,7 @@
 
 local client = hglib.Client.open()
 
-local code, o, e, d = client:runcommand('version', '--quiet')
+local code, o, e, d = client:runcommand({'version', '--quiet'})
 client:close()
 
 if code == 0 then

--- a/hglib.lua	Sun Sep 11 01:08:22 2016 +0800
+++ b/hglib.lua	Fri Sep 16 07:55:11 2016 +0800
@@ -128,12 +128,12 @@
 	end
 end
 
-function Client:runcommand(...)
+function Client:runcommand(command)
 	if not self.capabilities.runcommand then
 		return nil, '', 'runcommand is not supported by this command server', ''
 	end
 	self.wh:write('runcommand\n')
-	write_block(self.wh, ...)
+	write_block(self.wh, unpack(command))
 	self.wh:flush()
 	local o = ''
 	local e = ''

--- a/spec/hglib_spec.lua	Sun Sep 11 01:08:22 2016 +0800
+++ b/spec/hglib_spec.lua	Fri Sep 16 07:55:11 2016 +0800
@@ -52,7 +52,7 @@
 
 	it('can use runcommand to request version', function()
 		local client = hglib.Client.open()
-		local code, o, e, d = client:runcommand('version', '--verbose')
+		local code, o, e, d = client:runcommand({'version', '--verbose'})
 		client:close()
 		assert.are_equal(0, code)
 		assert.is_not_nil(o:find('Mercurial Distributed SCM'))
@@ -63,7 +63,7 @@
 
 	it('can use runcommand to run nonexistent command', function()
 		local client = hglib.Client.open()
-		local code, o, e, d = client:runcommand('extirpate')
+		local code, o, e, d = client:runcommand({'extirpate'})
 		client:close()
 		assert.are_equal(255, code)
 		assert.is_not_nil(o:find('use "hg help" for the full list of commands'))
@@ -73,7 +73,7 @@
 
 	it('can use runcommand to inspect this repo', function()
 		local client = hglib.Client.open('.')
-		local code, o, e, d = client:runcommand('log', '-r0')
+		local code, o, e, d = client:runcommand({'log', '-r0'})
 		client:close()
 		assert.are_equal(0, code)
 		assert.is_not_nil(o:find('hglib: absolute basics'))