Update vim to 8.1.1471

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+To: vim_dev@googlegroups.com
+Subject: Patch 8.1.0852
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 8.1.0852
+Problem:    findfile() and finddir() are not properly tested.
+Solution:   Extend the test and add more. (Dominique Pelle, closes #3880)
+Files:	    src/testdir/test_findfile.vim
+
+
+*** ../vim-8.1.0851/src/testdir/test_findfile.vim	2017-02-23 18:20:26.000000000 +0100
+--- src/testdir/test_findfile.vim	2019-01-30 22:11:09.378956665 +0100
+***************
+*** 1,25 ****
+! " Test for findfile()
+! "
+  func Test_findfile()
+!   new
+!   let cwd=getcwd()
+!   cd ..
+  
+!   " Tests may be run from a shadow directory, so an extra cd needs to be done to
+!   " get above src/
+!   if fnamemodify(getcwd(), ':t') != 'src'
+!     cd ../.. 
+!   else 
+!     cd .. 
+!   endif
+!   set ssl
+  
+!   call assert_equal('src/testdir/test_findfile.vim', findfile('test_findfile.vim','src/test*'))
+!   exe "cd" cwd
+    cd ..
+!   call assert_equal('testdir/test_findfile.vim', findfile('test_findfile.vim','test*'))
+!   call assert_equal('testdir/test_findfile.vim', findfile('test_findfile.vim','testdir'))
+  
+!   exe "cd" cwd
+!   q!
+  endfunc
+--- 1,169 ----
+! " Test findfile() and finddir()
+! 
+! let s:files = [ 'Xdir1/foo',
+!       \         'Xdir1/bar',
+!       \         'Xdir1/Xdir2/foo',
+!       \         'Xdir1/Xdir2/foobar',
+!       \         'Xdir1/Xdir2/Xdir3/bar',
+!       \         'Xdir1/Xdir2/Xdir3/barfoo' ]
+! 
+! func CreateFiles()
+!   call mkdir('Xdir1/Xdir2/Xdir3/Xdir2', 'p')
+!   for f in s:files
+!     call writefile([], f)
+!   endfor
+! endfunc
+! 
+! func CleanFiles()
+!   " Safer to delete each file even if it's more verbose
+!   " than doing a recursive delete('Xdir1', 'rf').
+!   for f in s:files
+!     call delete(f)
+!   endfor
+! 
+!   call delete('Xdir1/Xdir2/Xdir3/Xdir2', 'd')
+!   call delete('Xdir1/Xdir2/Xdir3', 'd')
+!   call delete('Xdir1/Xdir2', 'd')
+!   call delete('Xdir1', 'd')
+! endfunc
+! 
+! " Test findfile({name} [, {path} [, {count}]])
+  func Test_findfile()
+!   let save_path = &path
+!   let save_shellslash = &shellslash
+!   let save_dir = getcwd()
+!   set shellslash
+!   call CreateFiles()
+!   cd Xdir1
+!   e Xdir2/foo
+! 
+!   " With ,, in path, findfile() searches in current directory.
+!   set path=,,
+!   call assert_equal('foo', findfile('foo'))
+!   call assert_equal('bar', findfile('bar'))
+!   call assert_equal('',    findfile('foobar'))
+! 
+!   " Directories should not be found (finddir() finds them).
+!   call assert_equal('', findfile('Xdir2'))
+! 
+!   " With . in 'path', findfile() searches relatively to current file.
+!   set path=.
+!   call assert_equal('Xdir2/foo',    findfile('foo'))
+!   call assert_equal('',             findfile('bar'))
+!   call assert_equal('Xdir2/foobar', findfile('foobar'))
+! 
+!   " Empty {path} 2nd argument is the same as no 2nd argument.
+!   call assert_equal('Xdir2/foo', findfile('foo', ''))
+!   call assert_equal('',          findfile('bar', ''))
+! 
+!   " Test with *
+!   call assert_equal('Xdir2/foo',       findfile('foo', '*'))
+!   call assert_equal('',                findfile('bar', '*'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', '*/*'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', 'Xdir2/*'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', 'Xdir*/Xdir3'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', '*2/*3'))
+! 
+!   " Test with **
+!   call assert_equal('bar',             findfile('bar', '**'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', '**/Xdir3'))
+!   call assert_equal('Xdir2/Xdir3/bar', findfile('bar', 'Xdir2/**'))
+! 
+!   call assert_equal('Xdir2/Xdir3/barfoo', findfile('barfoo', '**2'))
+!   call assert_equal('',                   findfile('barfoo', '**1'))
+!   call assert_equal('Xdir2/foobar',       findfile('foobar', '**1'))
+! 
+!   " Test with {count} 3rd argument.
+!   call assert_equal('bar',                      findfile('bar', '**', 0))
+!   call assert_equal('bar',                      findfile('bar', '**', 1))
+!   call assert_equal('Xdir2/Xdir3/bar',          findfile('bar', '**', 2))
+!   call assert_equal('',                         findfile('bar', '**', 3))
+!   call assert_equal(['bar', 'Xdir2/Xdir3/bar'], findfile('bar', '**', -1))
+! 
+!   " Test upwards search.
+!   cd Xdir2/Xdir3
+!   call assert_equal('bar',                findfile('bar', ';'))
+!   call assert_match('.*/Xdir1/Xdir2/foo', findfile('foo', ';'))
+!   call assert_match('.*/Xdir1/Xdir2/foo', findfile('foo', ';', 1))
+!   call assert_match('.*/Xdir1/foo',       findfile('foo', ';', 2))
+!   call assert_match('.*/Xdir1/foo',       findfile('foo', ';', 2))
+!   call assert_match('.*/Xdir1/Xdir2/foo', findfile('foo', 'Xdir2;', 1))
+!   call assert_equal('',                   findfile('foo', 'Xdir2;', 2))
+! 
+!   " List l should have at least 2 values (possibly more if foo file
+!   " happens to be found upwards above Xdir1).
+!   let l = findfile('foo', ';', -1)
+!   call assert_match('.*/Xdir1/Xdir2/foo', l[0])
+!   call assert_match('.*/Xdir1/foo',       l[1])
+! 
+!   " Test upwards search with stop-directory.
+!   cd Xdir2
+!   let l = findfile('bar', ';' . save_dir . '/Xdir1/Xdir2/', -1)
+!   call assert_equal(1, len(l))
+!   call assert_match('.*/Xdir1/Xdir2/Xdir3/bar', l[0])
+! 
+!   let l = findfile('bar', ';' . save_dir . '/Xdir1/', -1)
+!   call assert_equal(2, len(l))
+!   call assert_match('.*/Xdir1/Xdir2/Xdir3/bar', l[0])
+!   call assert_match('.*/Xdir1/bar',             l[1])
+! 
+!   " Test combined downwards and upwards search from Xdir2/.
+!   cd ../..
+!   call assert_equal('Xdir3/bar',    findfile('bar', '**;', 1))
+!   call assert_match('.*/Xdir1/bar', findfile('bar', '**;', 2))
+! 
+!   bwipe!
+!   exe 'cd  ' . save_dir
+!   call CleanFiles()
+!   let &path = save_path
+!   let &shellslash = save_shellslash
+! endfunc
+! 
+! " Test finddir({name} [, {path} [, {count}]])
+! func Test_finddir()
+!   let save_path = &path
+!   let save_shellslash = &shellslash
+!   let save_dir = getcwd()
+!   set path=,,
+!   call CreateFiles()
+!   cd Xdir1
+! 
+!   call assert_equal('Xdir2', finddir('Xdir2'))
+!   call assert_equal('',      finddir('Xdir3'))
+! 
+!   " Files should not be found (findfile() finds them).
+!   call assert_equal('', finddir('foo'))
+! 
+!   call assert_equal('Xdir2',       finddir('Xdir2', '**'))
+!   call assert_equal('Xdir2/Xdir3', finddir('Xdir3', '**'))
+! 
+!   call assert_equal('Xdir2',               finddir('Xdir2', '**', 1))
+!   call assert_equal('Xdir2/Xdir3/Xdir2',   finddir('Xdir2', '**', 2))
+!   call assert_equal(['Xdir2',
+!         \            'Xdir2/Xdir3/Xdir2'], finddir('Xdir2', '**', -1))
+! 
+!   call assert_equal('Xdir2',       finddir('Xdir2', '**1'))
+!   call assert_equal('Xdir2',       finddir('Xdir2', '**0'))
+!   call assert_equal('Xdir2/Xdir3', finddir('Xdir3', '**1'))
+!   call assert_equal('',            finddir('Xdir3', '**0'))
+! 
+!   " Test upwards dir search.
+!   cd Xdir2/Xdir3
+!   call assert_match('.*/Xdir1', finddir('Xdir1', ';'))
+  
+!   " Test upwards search with stop-directory.
+!   call assert_match('.*/Xdir1', finddir('Xdir1', ';' . save_dir . '/'))
+!   call assert_equal('',         finddir('Xdir1', ';' . save_dir . '/Xdir1/'))
+  
+!   " Test combined downwards and upwards dir search from Xdir2/.
+    cd ..
+!   call assert_match('.*/Xdir1',       finddir('Xdir1', '**;', 1))
+!   call assert_equal('Xdir3/Xdir2',    finddir('Xdir2', '**;', 1))
+!   call assert_match('.*/Xdir1/Xdir2', finddir('Xdir2', '**;', 2))
+!   call assert_equal('Xdir3',          finddir('Xdir3', '**;', 1))
+  
+!   exe 'cd  ' . save_dir
+!   call CleanFiles()
+!   let &path = save_path
+!   let &shellslash = save_shellslash
+  endfunc
+*** ../vim-8.1.0851/src/version.c	2019-01-30 22:01:36.982854408 +0100
+--- src/version.c	2019-01-30 22:12:44.338305213 +0100
+***************
+*** 785,786 ****
+--- 785,788 ----
+  {   /* Add new patch number below this line */
++ /**/
++     852,
+  /**/
+
+-- 
+FATHER:    You only killed the bride's father - that's all -
+LAUNCELOT: Oh dear, I didn't really mean to...
+FATHER:    Didn't mean to?  You put your sword right through his head!
+LAUNCELOT: Gosh - Is he all right?
+                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///