# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1558272608 -7200
# Node ID 46322a4e60287ed8c09df527f6f08670e41acba5
# Parent  ca80f8eea726dc02ff00ec4b2d1b41312271f3bb
patch 8.1.1352: undofile() reports wrong name

commit https://github.com/vim/vim/commit/e9ebc9a91cac357fd4888f4b71fdff7d97b41160
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun May 19 15:27:14 2019 +0200

    patch 8.1.1352: undofile() reports wrong name

    Problem:    Undofile() reports wrong name. (Francisco Giordano)
    Solution:   Clean up the name before changing path separators. (closes https://github.com/vim/vim/issues/4392,
                closes #4394)

diff --git a/src/evalfunc.c b/src/evalfunc.c
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -15128,7 +15128,7 @@ f_undofile(typval_T *argvars UNUSED, typ
 	}
 	else
 	{
-	    char_u *ffname = FullName_save(fname, FALSE);
+	    char_u *ffname = FullName_save(fname, TRUE);
 
 	    if (ffname != NULL)
 		rettv->vval.v_string = u_get_undo_file_name(ffname, FALSE);
diff --git a/src/testdir/test_undo.vim b/src/testdir/test_undo.vim
--- a/src/testdir/test_undo.vim
+++ b/src/testdir/test_undo.vim
@@ -440,5 +440,10 @@ funct Test_undofile()
   " Test undofile() with 'undodir' set to a non-existing directory.
   call assert_equal('', undofile('Xundofoo'))
 
+  if isdirectory('/tmp')
+    set undodir=/tmp
+    call assert_equal('/tmp/%tmp%file', undofile('///tmp/file'))
+  endif
+
   set undodir&
 endfunc
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1352,
+/**/
     1351,
 /**/
     1350,