# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1548193506 -3600
# Node ID 060cb54565c110e5592ef0ce3fb20400de3a7748
# Parent  b28776ed9fb2b3ec5e8656f4e6f597d06ff3c03d
patch 8.1.0794: white space before " -Ntabmove" causes problems

commit https://github.com/vim/vim/commit/82a12468bd023f5cdc5d27182bedef7881514643
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Jan 22 22:41:42 2019 +0100

    patch 8.1.0794: white space before " -Ntabmove" causes problems

    Problem:    White space before " -Ntabmove" causes problems.
    Solution:   Skip whitespace. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/3841)

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7588,7 +7588,7 @@ get_tabpage_arg(exarg_T *eap)
 	else
 	{
 	    tab_number = eap->line2;
-	    if (!unaccept_arg0 && **eap->cmdlinep == '-')
+	    if (!unaccept_arg0 && *skipwhite(*eap->cmdlinep) == '-')
 	    {
 		--tab_number;
 		if (tab_number < unaccept_arg0)
diff --git a/src/testdir/test_tabpage.vim b/src/testdir/test_tabpage.vim
--- a/src/testdir/test_tabpage.vim
+++ b/src/testdir/test_tabpage.vim
@@ -105,6 +105,14 @@ function Test_tabpage()
   call assert_equal(4, tabpagenr())
   7tabmove 5
   call assert_equal(5, tabpagenr())
+  -tabmove
+  call assert_equal(4, tabpagenr())
+  +tabmove
+  call assert_equal(5, tabpagenr())
+  -2tabmove
+  call assert_equal(3, tabpagenr())
+  +3tabmove
+  call assert_equal(6, tabpagenr())
 
   " The following are a no-op
   norm! 2gt
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -792,6 +792,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    794,
+/**/
     793,
 /**/
     792,