From 63bed3d319b5d90765dbdae93a3579b6322d79fb Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 12 Nov 2016 15:36:54 +0100
Subject: [PATCH 1/5] patch 8.0.0078 Problem:    Accessing freed memory in
 quickfix. Solution:   Reset pointer when freeing 'errorformat'. (Domenique
 Pelle)

---
 src/quickfix.c                |  4 +++-
 src/testdir/test_quickfix.vim | 10 ++++++++++
 src/version.c                 |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/quickfix.c b/src/quickfix.c
index a563fa946b..631aaeaaf1 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -114,6 +114,8 @@ struct efm_S
     int		    conthere;	/* %> used */
 };
 
+static efm_T	*fmt_start = NULL; /* cached across qf_parse_line() calls */
+
 static int	qf_init_ext(qf_info_T *qi, char_u *efile, buf_T *buf, typval_T *tv, char_u *errorformat, int newlist, linenr_T lnumfirst, linenr_T lnumlast, char_u *qf_title);
 static void	qf_store_title(qf_info_T *qi, char_u *title);
 static void	qf_new_list(qf_info_T *qi, char_u *qf_title);
@@ -389,6 +391,7 @@ free_efm_list(efm_T **efm_first)
 	vim_regfree(efm_ptr->prog);
 	vim_free(efm_ptr);
     }
+    fmt_start = NULL;
 }
 
 /* Parse 'errorformat' option */
@@ -786,7 +789,6 @@ qf_parse_line(
 	qffields_T	*fields)
 {
     efm_T		*fmt_ptr;
-    static efm_T	*fmt_start = NULL; /* cached across calls */
     char_u		*ptr;
     int			len;
     int			i;
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 118a015cb0..5af46e839e 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -1648,3 +1648,13 @@ function! Test_Autocmd_Exception()
 
   set efm&vim
 endfunction
+
+function Test_caddbuffer()
+  " This used to cause a memory access in freed memory
+  let save_efm = &efm
+  set efm=%EEEE%m,%WWWW,%+CCCC%>%#,%GGGG%.#
+  cgetexpr ['WWWW', 'EEEE', 'CCCC']
+  let &efm = save_efm
+  cad
+  bwipe!
+endfunc
diff --git a/src/version.c b/src/version.c
index 9f3810ef84..4d51452e4b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    78,
 /**/
     77,
 /**/

From 2b946c9f9b0e0fd805fb8f3e4c16e0a68ae13129 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 12 Nov 2016 18:14:44 +0100
Subject: [PATCH 2/5] patch 8.0.0079 Problem:    Accessing freed memory in
 quickfix. (Domenique Pelle) Solution:   Do not free the current list when
 adding to it.

---
 src/quickfix.c                |  13 +-
 src/testdir/test_quickfix.vim | 251 ++++++++++++++++++----------------
 src/version.c                 |   2 +
 3 files changed, 142 insertions(+), 124 deletions(-)

diff --git a/src/quickfix.c b/src/quickfix.c
index 631aaeaaf1..58c4227b6a 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -1112,6 +1112,7 @@ qf_init_ext(
     qffields_T	    fields = {NULL, NULL, 0, 0L, 0, FALSE, NULL, 0, 0, 0};
 #ifdef FEAT_WINDOWS
     qfline_T	    *old_last = NULL;
+    int		    adding = FALSE;
 #endif
     static efm_T    *fmt_first = NULL;
     char_u	    *efm;
@@ -1140,6 +1141,7 @@ qf_init_ext(
     else if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
     {
 	/* Adding to existing list, use last entry. */
+	adding = TRUE;
 	old_last = qi->qf_lists[qi->qf_curlist].qf_last;
     }
 #endif
@@ -1266,10 +1268,13 @@ qf_init_ext(
     }
     EMSG(_(e_readerrf));
 error2:
-    qf_free(qi, qi->qf_curlist);
-    qi->qf_listcount--;
-    if (qi->qf_curlist > 0)
-	--qi->qf_curlist;
+    if (!adding)
+    {
+	qf_free(qi, qi->qf_curlist);
+	qi->qf_listcount--;
+	if (qi->qf_curlist > 0)
+	    --qi->qf_curlist;
+    }
 qf_init_end:
     if (state.fd != NULL)
 	fclose(state.fd);
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 5af46e839e..98afdb1593 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -6,7 +6,7 @@ endif
 
 set encoding=utf-8
 
-function! s:setup_commands(cchar)
+func s:setup_commands(cchar)
   if a:cchar == 'c'
     command! -nargs=* -bang Xlist <mods>clist<bang> <args>
     command! -nargs=* Xgetexpr <mods>cgetexpr <args>
@@ -68,10 +68,10 @@ function! s:setup_commands(cchar)
     let g:Xgetlist = function('getloclist', [0])
     let g:Xsetlist = function('setloclist', [0])
   endif
-endfunction
+endfunc
 
 " Tests for the :clist and :llist commands
-function XlistTests(cchar)
+func XlistTests(cchar)
   call s:setup_commands(a:cchar)
 
   " With an empty list, command should return error
@@ -128,17 +128,17 @@ function XlistTests(cchar)
   let l = split(result, "\n")
   call assert_equal([' 2 Xtestfile1:1 col 3: Line1',
 		   \ ' 3: non-error 2', ' 4 Xtestfile2:2 col 2: Line2'], l)
-endfunction
+endfunc
 
-function Test_clist()
+func Test_clist()
   call XlistTests('c')
   call XlistTests('l')
-endfunction
+endfunc
 
 " Tests for the :colder, :cnewer, :lolder and :lnewer commands
 " Note that this test assumes that a quickfix/location list is
 " already set by the caller.
-function XageTests(cchar)
+func XageTests(cchar)
   call s:setup_commands(a:cchar)
 
   " Jumping to a non existent list should return error
@@ -171,20 +171,20 @@ function XageTests(cchar)
   Xnewer 2
   let l = g:Xgetlist()
   call assert_equal('Line3', l[0].text)
-endfunction
+endfunc
 
-function Test_cage()
+func Test_cage()
   let list = [{'bufnr': 1, 'lnum': 1}]
   call setqflist(list)
   call XageTests('c')
 
   call setloclist(0, list)
   call XageTests('l')
-endfunction
+endfunc
 
 " Tests for the :cwindow, :lwindow :cclose, :lclose, :copen and :lopen
 " commands
-function XwindowTests(cchar)
+func XwindowTests(cchar)
   call s:setup_commands(a:cchar)
 
   " Create a list with no valid entries
@@ -227,16 +227,16 @@ function XwindowTests(cchar)
   " Calling cwindow should close the quickfix window with no valid errors
   Xwindow
   call assert_true(winnr('$') == 1)
-endfunction
+endfunc
 
-function Test_cwindow()
+func Test_cwindow()
   call XwindowTests('c')
   call XwindowTests('l')
-endfunction
+endfunc
 
 " Tests for the :cfile, :lfile, :caddfile, :laddfile, :cgetfile and :lgetfile
 " commands.
-function XfileTests(cchar)
+func XfileTests(cchar)
   call s:setup_commands(a:cchar)
 
   call writefile(['Xtestfile1:700:10:Line 700',
@@ -275,16 +275,16 @@ function XfileTests(cchar)
 	\ l[1].lnum == 333 && l[1].col == 88 && l[1].text ==# 'Line 333')
 
   call delete('Xqftestfile1')
-endfunction
+endfunc
 
-function Test_cfile()
+func Test_cfile()
   call XfileTests('c')
   call XfileTests('l')
-endfunction
+endfunc
 
 " Tests for the :cbuffer, :lbuffer, :caddbuffer, :laddbuffer, :cgetbuffer and
 " :lgetbuffer commands.
-function XbufferTests(cchar)
+func XbufferTests(cchar)
   call s:setup_commands(a:cchar)
 
   enew!
@@ -316,26 +316,26 @@ function XbufferTests(cchar)
 	\ l[3].lnum == 750 && l[3].col == 25 && l[3].text ==# 'Line 750')
   enew!
 
-endfunction
+endfunc
 
-function Test_cbuffer()
+func Test_cbuffer()
   call XbufferTests('c')
   call XbufferTests('l')
-endfunction
+endfunc
 
-function XexprTests(cchar)
+func XexprTests(cchar)
   call s:setup_commands(a:cchar)
 
   call assert_fails('Xexpr 10', 'E777:')
-endfunction
+endfunc
 
-function Test_cexpr()
+func Test_cexpr()
   call XexprTests('c')
   call XexprTests('l')
-endfunction
+endfunc
 
 " Tests for :cnext, :cprev, :cfirst, :clast commands
-function Xtest_browse(cchar)
+func Xtest_browse(cchar)
   call s:setup_commands(a:cchar)
 
   call s:create_test_file('Xqftestfile1')
@@ -366,14 +366,14 @@ function Xtest_browse(cchar)
 
   call delete('Xqftestfile1')
   call delete('Xqftestfile2')
-endfunction
+endfunc
 
-function Test_browse()
+func Test_browse()
   call Xtest_browse('c')
   call Xtest_browse('l')
-endfunction
+endfunc
 
-function Test_nomem()
+func Test_nomem()
   call test_alloc_fail(GetAllocId('qf_dirname_start'), 0, 0)
   call assert_fails('vimgrep vim runtest.vim', 'E342:')
 
@@ -391,7 +391,7 @@ function Test_nomem()
 
 endfunc
 
-function! s:test_xhelpgrep(cchar)
+func s:test_xhelpgrep(cchar)
   call s:setup_commands(a:cchar)
   Xhelpgrep quickfix
   Xopen
@@ -403,9 +403,9 @@ function! s:test_xhelpgrep(cchar)
   call assert_true(w:quickfix_title =~ title_text, w:quickfix_title)
   " This wipes out the buffer, make sure that doesn't cause trouble.
   Xclose
-endfunction
+endfunc
 
-function Test_helpgrep()
+func Test_helpgrep()
   call s:test_xhelpgrep('c')
   helpclose
   call s:test_xhelpgrep('l')
@@ -443,7 +443,7 @@ func Test_vimgreptitle()
   augroup! QfBufWinEnter
 endfunc
 
-function XqfTitleTests(cchar)
+func XqfTitleTests(cchar)
   call s:setup_commands(a:cchar)
 
   Xgetexpr ['file:1:1:message']
@@ -462,16 +462,16 @@ function XqfTitleTests(cchar)
   endif
   call assert_equal(title, w:quickfix_title)
   Xclose
-endfunction
+endfunc
 
 " Tests for quickfix window's title
-function Test_qf_title()
+func Test_qf_title()
   call XqfTitleTests('c')
   call XqfTitleTests('l')
-endfunction
+endfunc
 
 " Tests for 'errorformat'
-function Test_efm()
+func Test_efm()
   let save_efm = &efm
   set efm=%EEEE%m,%WWWW%m,%+CCCC%.%#,%-GGGG%.%#
   cgetexpr ['WWWW', 'EEEE', 'CCCC']
@@ -484,7 +484,7 @@ function Test_efm()
   let l = strtrans(string(map(getqflist(), '[v:val.text, v:val.valid]')))
   call assert_equal("[['W', 1], ['ZZZZ', 0], ['E^@CCCC', 1], ['YYYY', 0]]", l)
   let &efm = save_efm
-endfunction
+endfunc
 
 " This will test for problems in quickfix:
 " A. incorrectly copying location lists which caused the location list to show
@@ -495,7 +495,7 @@ endfunction
 "    window it belongs to.
 "
 " Set up the test environment:
-function! ReadTestProtocol(name)
+func ReadTestProtocol(name)
   let base = substitute(a:name, '\v^test://(.*)%(\.[^.]+)?', '\1', '')
   let word = substitute(base, '\v(.*)\..*', '\1', '')
 
@@ -514,9 +514,9 @@ function! ReadTestProtocol(name)
   setl nomodifiable
   setl readonly
   exe 'doautocmd BufRead ' . substitute(a:name, '\v^test://(.*)', '\1', '')
-endfunction
+endfunc
 
-function Test_locationlist()
+func Test_locationlist()
     enew
 
     augroup testgroup
@@ -596,15 +596,15 @@ function Test_locationlist()
     wincmd n | only
 
     augroup! testgroup
-endfunction
+  endfunc
 
-function Test_locationlist_curwin_was_closed()
+func Test_locationlist_curwin_was_closed()
     augroup testgroup
       au!
       autocmd BufReadCmd test_curwin.txt call R(expand("<amatch>"))
     augroup END
 
-    function! R(n)
+    func! R(n)
       quit
     endfunc
 
@@ -615,9 +615,9 @@ function Test_locationlist_curwin_was_closed()
     call assert_fails('lrewind', 'E924:')
 
     augroup! testgroup
-endfunction
+  endfunc
 
-function Test_locationlist_cross_tab_jump()
+func Test_locationlist_cross_tab_jump()
   call writefile(['loclistfoo'], 'loclistfoo')
   call writefile(['loclistbar'], 'loclistbar')
   set switchbuf=usetab
@@ -631,10 +631,10 @@ function Test_locationlist_cross_tab_jump()
   set switchbuf&vim
   call delete('loclistfoo')
   call delete('loclistbar')
-endfunction
+endfunc
 
 " More tests for 'errorformat'
-function! Test_efm1()
+func Test_efm1()
     if !has('unix')
 	" The 'errorformat' setting is different on non-Unix systems.
 	" This test works only on Unix-like systems.
@@ -752,10 +752,10 @@ function! Test_efm1()
     call delete('Xerrorfile1')
     call delete('Xerrorfile2')
     call delete('Xtestfile')
-endfunction
+  endfunc
 
 " Test for quickfix directory stack support
-function! s:dir_stack_tests(cchar)
+func s:dir_stack_tests(cchar)
   call s:setup_commands(a:cchar)
 
   let save_efm=&efm
@@ -797,10 +797,10 @@ function! s:dir_stack_tests(cchar)
   call assert_equal(5, qf[11].lnum)
 
   let &efm=save_efm
-endfunction
+endfunc
 
 " Tests for %D and %X errorformat options
-function! Test_efm_dirstack()
+func Test_efm_dirstack()
   " Create the directory stack and files
   call mkdir('dir1')
   call mkdir('dir1/a')
@@ -832,10 +832,10 @@ function! Test_efm_dirstack()
   call delete('dir1', 'rf')
   call delete('dir2', 'rf')
   call delete('habits1.txt')
-endfunction
+endfunc
 
 " Test for resync after continuing an ignored message
-function! Xefm_ignore_continuations(cchar)
+func Xefm_ignore_continuations(cchar)
   call s:setup_commands(a:cchar)
 
   let save_efm = &efm
@@ -850,15 +850,15 @@ function! Xefm_ignore_continuations(cchar)
   call assert_equal([['resync', 1, 4, 'E']], l)
 
   let &efm = save_efm
-endfunction
+endfunc
 
-function! Test_efm_ignore_continuations()
+func Test_efm_ignore_continuations()
   call Xefm_ignore_continuations('c')
   call Xefm_ignore_continuations('l')
-endfunction
+endfunc
 
 " Tests for invalid error format specifies
-function Xinvalid_efm_Tests(cchar)
+func Xinvalid_efm_Tests(cchar)
   call s:setup_commands(a:cchar)
 
   let save_efm = &efm
@@ -891,17 +891,17 @@ function Xinvalid_efm_Tests(cchar)
   call assert_fails('Xexpr ["Entering dir abc", "abc.txt:1:Hello world"]', 'E379:')
 
   let &efm = save_efm
-endfunction
+endfunc
 
-function Test_invalid_efm()
+func Test_invalid_efm()
   call Xinvalid_efm_Tests('c')
   call Xinvalid_efm_Tests('l')
-endfunction
+endfunc
 
 " TODO:
 " Add tests for the following formats in 'errorformat'
 "	%r  %O
-function! Test_efm2()
+func Test_efm2()
   let save_efm = &efm
 
   " Test for %s format in efm
@@ -987,19 +987,19 @@ function! Test_efm2()
   call assert_equal('unittests/dbfacadeTest.py', bufname(l[4].bufnr))
 
   let &efm = save_efm
-endfunction
+endfunc
 
-function XquickfixChangedByAutocmd(cchar)
+func XquickfixChangedByAutocmd(cchar)
   call s:setup_commands(a:cchar)
   if a:cchar == 'c'
     let ErrorNr = 'E925'
-    function! ReadFunc()
+    func! ReadFunc()
       colder
       cgetexpr []
     endfunc
   else
     let ErrorNr = 'E926'
-    function! ReadFunc()
+    func! ReadFunc()
       lolder
       lgetexpr []
     endfunc
@@ -1022,10 +1022,10 @@ function XquickfixChangedByAutocmd(cchar)
   augroup! testgroup
 endfunc
 
-function Test_quickfix_was_changed_by_autocmd()
+func Test_quickfix_was_changed_by_autocmd()
   call XquickfixChangedByAutocmd('c')
   call XquickfixChangedByAutocmd('l')
-endfunction
+endfunc
 
 func Test_caddbuffer_to_empty()
   helpgr quickfix
@@ -1047,7 +1047,7 @@ func Test_cgetexpr_works()
 endfunc
 
 " Tests for the setqflist() and setloclist() functions
-function SetXlistTests(cchar, bnum)
+func SetXlistTests(cchar, bnum)
   call s:setup_commands(a:cchar)
 
   call g:Xsetlist([{'bufnr': a:bnum, 'lnum': 1},
@@ -1082,9 +1082,9 @@ function SetXlistTests(cchar, bnum)
   call g:Xsetlist([])
   let l = g:Xgetlist()
   call assert_equal(0, len(l))
-endfunction
+endfunc
 
-function Test_setqflist()
+func Test_setqflist()
   new Xtestfile | only
   let bnum = bufnr('%')
   call setline(1, range(1,5))
@@ -1094,9 +1094,9 @@ function Test_setqflist()
 
   enew!
   call delete('Xtestfile')
-endfunction
+endfunc
 
-function Xlist_empty_middle(cchar)
+func Xlist_empty_middle(cchar)
   call s:setup_commands(a:cchar)
 
   " create three quickfix lists
@@ -1119,12 +1119,12 @@ function Xlist_empty_middle(cchar)
   call assert_equal(matchlen, len(g:Xgetlist()))
 endfunc
 
-function Test_setqflist_empty_middle()
+func Test_setqflist_empty_middle()
   call Xlist_empty_middle('c')
   call Xlist_empty_middle('l')
-endfunction
+endfunc
 
-function Xlist_empty_older(cchar)
+func Xlist_empty_older(cchar)
   call s:setup_commands(a:cchar)
 
   " create three quickfix lists
@@ -1145,14 +1145,14 @@ function Xlist_empty_older(cchar)
   call assert_equal(twolen, len(g:Xgetlist()))
   Xnewer
   call assert_equal(threelen, len(g:Xgetlist()))
-endfunction
+endfunc
 
-function Test_setqflist_empty_older()
+func Test_setqflist_empty_older()
   call Xlist_empty_older('c')
   call Xlist_empty_older('l')
-endfunction
+endfunc
 
-function! XquickfixSetListWithAct(cchar)
+func XquickfixSetListWithAct(cchar)
   call s:setup_commands(a:cchar)
 
   let list1 = [{'filename': 'fnameA', 'text': 'A'},
@@ -1226,12 +1226,12 @@ function! XquickfixSetListWithAct(cchar)
   call assert_fails("call g:Xsetlist(list1, 0)", 'E928:')
 endfunc
 
-function Test_quickfix_set_list_with_act()
+func Test_quickfix_set_list_with_act()
   call XquickfixSetListWithAct('c')
   call XquickfixSetListWithAct('l')
-endfunction
+endfunc
 
-function XLongLinesTests(cchar)
+func XLongLinesTests(cchar)
   let l = g:Xgetlist()
 
   call assert_equal(4, len(l))
@@ -1249,9 +1249,9 @@ function XLongLinesTests(cchar)
   call assert_equal(10, len(l[3].text))
 
   call g:Xsetlist([], 'r')
-endfunction
+endfunc
 
-function s:long_lines_tests(cchar)
+func s:long_lines_tests(cchar)
   call s:setup_commands(a:cchar)
 
   let testfile = 'samples/quickfix.txt'
@@ -1272,22 +1272,22 @@ function s:long_lines_tests(cchar)
   exe 'edit' testfile
   exe 'Xbuffer' bufnr('%')
   call XLongLinesTests(a:cchar)
-endfunction
+endfunc
 
-function Test_long_lines()
+func Test_long_lines()
   call s:long_lines_tests('c')
   call s:long_lines_tests('l')
-endfunction
+endfunc
 
-function! s:create_test_file(filename)
+func s:create_test_file(filename)
   let l = []
   for i in range(1, 20)
       call add(l, 'Line' . i)
   endfor
   call writefile(l, a:filename)
-endfunction
+endfunc
 
-function! Test_switchbuf()
+func Test_switchbuf()
   call s:create_test_file('Xqftestfile1')
   call s:create_test_file('Xqftestfile2')
   call s:create_test_file('Xqftestfile3')
@@ -1374,9 +1374,9 @@ function! Test_switchbuf()
   call delete('Xqftestfile1')
   call delete('Xqftestfile2')
   call delete('Xqftestfile3')
-endfunction
+endfunc
 
-function! Xadjust_qflnum(cchar)
+func Xadjust_qflnum(cchar)
   call s:setup_commands(a:cchar)
 
   enew | only
@@ -1401,17 +1401,17 @@ function! Xadjust_qflnum(cchar)
 
   enew!
   call delete(fname)
-endfunction
+endfunc
 
-function! Test_adjust_lnum()
+func Test_adjust_lnum()
   call setloclist(0, [])
   call Xadjust_qflnum('c')
   call setqflist([])
   call Xadjust_qflnum('l')
-endfunction
+endfunc
 
 " Tests for the :grep/:lgrep and :grepadd/:lgrepadd commands
-function! s:test_xgrep(cchar)
+func s:test_xgrep(cchar)
   call s:setup_commands(a:cchar)
 
   " The following lines are used for the grep test. Don't remove.
@@ -1430,9 +1430,9 @@ function! s:test_xgrep(cchar)
   set makeef=Temp_File_##
   silent Xgrepadd GrepAdd_Test_Text: test_quickfix.vim
   call assert_true(len(g:Xgetlist()) == 6)
-endfunction
+endfunc
 
-function! Test_grep()
+func Test_grep()
   if !has('unix')
     " The grepprg may not be set on non-Unix systems
     return
@@ -1440,9 +1440,9 @@ function! Test_grep()
 
   call s:test_xgrep('c')
   call s:test_xgrep('l')
-endfunction
+endfunc
 
-function! Test_two_windows()
+func Test_two_windows()
   " Use one 'errorformat' for two windows.  Add an expression to each of them,
   " make sure they each keep their own state.
   set efm=%DEntering\ dir\ '%f',%f:%l:%m,%XLeaving\ dir\ '%f'
@@ -1483,7 +1483,7 @@ function! Test_two_windows()
   call delete('Xtwo', 'rf')
 endfunc
 
-function XbottomTests(cchar)
+func XbottomTests(cchar)
   call s:setup_commands(a:cchar)
 
   call g:Xsetlist([{'filename': 'foo', 'lnum': 42}]) 
@@ -1499,12 +1499,12 @@ function XbottomTests(cchar)
 endfunc
 
 " Tests for the :cbottom and :lbottom commands
-function Test_cbottom()
+func Test_cbottom()
   call XbottomTests('c')
   call XbottomTests('l')
-endfunction
+endfunc
 
-function HistoryTest(cchar)
+func HistoryTest(cchar)
   call s:setup_commands(a:cchar)
 
   call assert_fails(a:cchar . 'older 99', 'E380:')
@@ -1544,7 +1544,7 @@ func Test_duplicate_buf()
 endfunc
 
 " Quickfix/Location list set/get properties tests
-function Xproperty_tests(cchar)
+func Xproperty_tests(cchar)
     call s:setup_commands(a:cchar)
 
     " Error cases
@@ -1590,19 +1590,19 @@ function Xproperty_tests(cchar)
     if a:cchar == 'l'
 	call assert_equal({}, getloclist(99, {'title': 1}))
     endif
-endfunction
+  endfunc
 
-function Test_qf_property()
+func Test_qf_property()
     call Xproperty_tests('c')
     call Xproperty_tests('l')
-endfunction
+  endfunc
 
 " Tests for the QuickFixCmdPre/QuickFixCmdPost autocommands
-function QfAutoCmdHandler(loc, cmd)
+func QfAutoCmdHandler(loc, cmd)
   call add(g:acmds, a:loc . a:cmd)
-endfunction
+endfunc
 
-function Test_Autocmd()
+func Test_Autocmd()
   autocmd QuickFixCmdPre * call QfAutoCmdHandler('pre', expand('<amatch>'))
   autocmd QuickFixCmdPost * call QfAutoCmdHandler('post', expand('<amatch>'))
 
@@ -1630,9 +1630,9 @@ function Test_Autocmd()
 	      \ 'precaddbuffer',
 	      \ 'postcaddbuffer']
   call assert_equal(l, g:acmds)
-endfunction
+endfunc
 
-function! Test_Autocmd_Exception()
+func Test_Autocmd_Exception()
   set efm=%m
   lgetexpr '?'
 
@@ -1647,14 +1647,25 @@ function! Test_Autocmd_Exception()
   call assert_equal('1', getloclist(0)[0].text)
 
   set efm&vim
-endfunction
+endfunc
 
-function Test_caddbuffer()
-  " This used to cause a memory access in freed memory
+func Test_caddbuffer_wrong()
+  " This used to cause a memory access in freed memory.
   let save_efm = &efm
   set efm=%EEEE%m,%WWWW,%+CCCC%>%#,%GGGG%.#
   cgetexpr ['WWWW', 'EEEE', 'CCCC']
   let &efm = save_efm
-  cad
+  caddbuffer
   bwipe!
 endfunc
+
+func Test_caddexpr_wrong()
+  " This used to cause a memory access in freed memory.
+  cbuffer
+  cbuffer
+  copen
+  let save_efm = &efm
+  set efm=%
+  call assert_fails('caddexpr ""', 'E376:')
+  let &efm = save_efm
+endfunc
diff --git a/src/version.c b/src/version.c
index 4d51452e4b..88adc6d19b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    79,
 /**/
     78,
 /**/

From b6be3ea45b3bb260d475ba63620252ce2963c560 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 12 Nov 2016 18:30:39 +0100
Subject: [PATCH 3/5] patch 8.0.0080 Problem:    The OS X build fails on
 Travis. Solution:   Skip the virtual framebuffer on OS X.

---
 .travis.yml   | 6 ++----
 src/version.c | 2 ++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index e9464aec97..d4472f20be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -69,11 +69,9 @@ before_install:
     # Lua is not installed on Travis OSX
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew install lua; export LUA_PREFIX=/usr/local; fi
 
-# Start virtual framebuffer to be able to test the GUI.
+# Start virtual framebuffer to be able to test the GUI. Does not work on OS X.
 before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 3 # give xvfb some time to start
+  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then export DISPLAY=:99.0 && sh -e /etc/init.d/xvfb start && sleep 3; fi
 
 script:
   - NPROC=$(getconf _NPROCESSORS_ONLN)
diff --git a/src/version.c b/src/version.c
index 88adc6d19b..d4b84c5ce1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    80,
 /**/
     79,
 /**/

From d4db7719bdfbc54df396eac08d8cbb2389feacf4 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 12 Nov 2016 19:16:46 +0100
Subject: [PATCH 4/5] patch 8.0.0081 Problem:    Inconsistent function names.
 Solution:   Rename do_cscope to ex_cscope.  Clean up comments.

---
 src/ex_cmds.h           |   8 +--
 src/ex_docmd.c          |   8 +--
 src/if_cscope.c         | 129 ++++++++++------------------------------
 src/proto/if_cscope.pro |   6 +-
 src/version.c           |   2 +
 5 files changed, 46 insertions(+), 107 deletions(-)

diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 01126baedf..3f21d94f9e 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -391,10 +391,10 @@ EX(CMD_cquit,		"cquit",	ex_cquit,
 EX(CMD_crewind,		"crewind",	ex_cc,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG,
 			ADDR_LINES),
-EX(CMD_cscope,		"cscope",	do_cscope,
+EX(CMD_cscope,		"cscope",	ex_cscope,
 			EXTRA|NOTRLCOM|XFILE,
 			ADDR_LINES),
-EX(CMD_cstag,		"cstag",	do_cstag,
+EX(CMD_cstag,		"cstag",	ex_cstag,
 			BANG|TRLBAR|WORD1,
 			ADDR_LINES),
 EX(CMD_cunmap,		"cunmap",	ex_unmap,
@@ -745,7 +745,7 @@ EX(CMD_lchdir,		"lchdir",	ex_cd,
 EX(CMD_lclose,		"lclose",	ex_cclose,
 			RANGE|NOTADR|COUNT|TRLBAR,
 			ADDR_LINES),
-EX(CMD_lcscope,		"lcscope",	do_cscope,
+EX(CMD_lcscope,		"lcscope",	ex_cscope,
 			EXTRA|NOTRLCOM|XFILE,
 			ADDR_LINES),
 EX(CMD_ldo,		"ldo",		ex_listdo,
@@ -1249,7 +1249,7 @@ EX(CMD_scriptnames,	"scriptnames",	ex_scriptnames,
 EX(CMD_scriptencoding,	"scriptencoding", ex_scriptencoding,
 			WORD1|TRLBAR|CMDWIN,
 			ADDR_LINES),
-EX(CMD_scscope,		"scscope",	do_scscope,
+EX(CMD_scscope,		"scscope",	ex_scscope,
 			EXTRA|NOTRLCOM,
 			ADDR_LINES),
 EX(CMD_set,		"set",		ex_set,
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 6b4e5fb6aa..34c21e1821 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -243,9 +243,9 @@ static void	ex_popup(exarg_T *eap);
 # define ex_helpfind		ex_ni
 #endif
 #ifndef FEAT_CSCOPE
-# define do_cscope		ex_ni
-# define do_scscope		ex_ni
-# define do_cstag		ex_ni
+# define ex_cscope		ex_ni
+# define ex_scscope		ex_ni
+# define ex_cstag		ex_ni
 #endif
 #ifndef FEAT_SYN_HL
 # define ex_syntax		ex_ni
@@ -10427,7 +10427,7 @@ ex_tag_cmd(exarg_T *eap, char_u *name)
 #ifdef FEAT_CSCOPE
 		  if (p_cst && *eap->arg != NUL)
 		  {
-		      do_cstag(eap);
+		      ex_cstag(eap);
 		      return;
 		  }
 #endif
diff --git a/src/if_cscope.c b/src/if_cscope.c
index ce6b87f370..31c0371879 100644
--- a/src/if_cscope.c
+++ b/src/if_cscope.c
@@ -201,8 +201,6 @@ set_context_in_cscope_cmd(
 #endif /* FEAT_CMDL_COMPL */
 
 /*
- * PRIVATE: do_cscope_general
- *
  * Find the command, print help if invalid, and then call the corresponding
  * command function.
  */
@@ -242,31 +240,28 @@ do_cscope_general(
 }
 
 /*
- * PUBLIC: do_cscope
+ * Implementation of ":cscope" and ":lcscope"
  */
     void
-do_cscope(exarg_T *eap)
+ex_cscope(exarg_T *eap)
 {
     do_cscope_general(eap, FALSE);
 }
 
 /*
- * PUBLIC: do_scscope
- *
- * same as do_cscope, but splits window, too.
+ * Implementation of ":scscope". Same as ex_cscope(), but splits window, too.
  */
     void
-do_scscope(exarg_T *eap)
+ex_scscope(exarg_T *eap)
 {
     do_cscope_general(eap, TRUE);
 }
 
 /*
- * PUBLIC: do_cstag
- *
+ * Implementation of ":cstag"
  */
     void
-do_cstag(exarg_T *eap)
+ex_cstag(exarg_T *eap)
 {
     int ret = FALSE;
 
@@ -336,13 +331,11 @@ do_cstag(exarg_T *eap)
 #endif
     }
 
-} /* do_cscope */
+}
 
 
 /*
- * PUBLIC: cs_find
- *
- * this simulates a vim_fgets(), but for cscope, returns the next line
+ * This simulates a vim_fgets(), but for cscope, returns the next line
  * from the cscope output.  should only be called from find_tags()
  *
  * returns TRUE if eof, FALSE otherwise
@@ -361,9 +354,7 @@ cs_fgets(char_u *buf, int size)
 
 
 /*
- * PUBLIC: cs_free_tags
- *
- * called only from do_tag(), when popping the tag stack
+ * Called only from do_tag(), when popping the tag stack.
  */
     void
 cs_free_tags(void)
@@ -373,9 +364,7 @@ cs_free_tags(void)
 
 
 /*
- * PUBLIC: cs_print_tags
- *
- * called from do_tag()
+ * Called from do_tag().
  */
     void
 cs_print_tags(void)
@@ -467,12 +456,8 @@ cs_connection(int num, char_u *dbpath, char_u *ppath)
  ****************************************************************************/
 
 /*
- * PRIVATE: cs_add
- *
- * add cscope database or a directory name (to look for cscope.out)
- * to the cscope connection list
- *
- * MAXPATHL 256
+ * Add cscope database or a directory name (to look for cscope.out)
+ * to the cscope connection list.
  */
     static int
 cs_add(exarg_T *eap UNUSED)
@@ -508,10 +493,8 @@ cs_stat_emsg(char *fname)
 
 
 /*
- * PRIVATE: cs_add_common
- *
- * the common routine to add a new cscope connection.  called by
- * cs_add() and cs_reset().  i really don't like to do this, but this
+ * The common routine to add a new cscope connection.  Called by
+ * cs_add() and cs_reset().  I really don't like to do this, but this
  * routine uses a number of goto statements.
  */
     static int
@@ -666,9 +649,7 @@ cs_check_for_tags(void)
 
 
 /*
- * PRIVATE: cs_cnt_connections
- *
- * count the number of cscope connections
+ * Count the number of cscope connections.
  */
     static int
 cs_cnt_connections(void)
@@ -693,9 +674,7 @@ cs_reading_emsg(
 
 #define	CSREAD_BUFSIZE	2048
 /*
- * PRIVATE: cs_cnt_matches
- *
- * count the number of matches for a given cscope connection.
+ * Count the number of matches for a given cscope connection.
  */
     static int
 cs_cnt_matches(int idx)
@@ -754,8 +733,6 @@ cs_cnt_matches(int idx)
 
 
 /*
- * PRIVATE: cs_create_cmd
- *
  * Creates the actual cscope command query from what the user entered.
  */
     static char *
@@ -817,8 +794,6 @@ cs_create_cmd(char *csoption, char *pattern)
 
 
 /*
- * PRIVATE: cs_create_connection
- *
  * This piece of code was taken/adapted from nvi.  do we need to add
  * the BSD license notice?
  */
@@ -1056,8 +1031,6 @@ err_closing:
 
 
 /*
- * PRIVATE: cs_find
- *
  * Query cscope using command line interface.  Parse the output and use tselect
  * to allow choices.  Like Nvi, creates a pipe to send to/from query/cscope.
  *
@@ -1102,9 +1075,7 @@ cs_find(exarg_T *eap)
 
 
 /*
- * PRIVATE: cs_find_common
- *
- * common code for cscope find, shared by cs_find() and do_cstag()
+ * Common code for cscope find, shared by cs_find() and ex_cstag().
  */
     static int
 cs_find_common(
@@ -1323,9 +1294,7 @@ cs_find_common(
 } /* cs_find_common */
 
 /*
- * PRIVATE: cs_help
- *
- * print help
+ * Print help.
  */
     static int
 cs_help(exarg_T *eap UNUSED)
@@ -1408,9 +1377,7 @@ GetWin32Error(void)
 #endif
 
 /*
- * PRIVATE: cs_insert_filelist
- *
- * insert a new cscope database filename into the filelist
+ * Insert a new cscope database filename into the filelist.
  */
     static int
 cs_insert_filelist(
@@ -1551,9 +1518,7 @@ cs_insert_filelist(
 
 
 /*
- * PRIVATE: cs_lookup_cmd
- *
- * find cscope command in command table
+ * Find cscope command in command table.
  */
     static cscmd_T *
 cs_lookup_cmd(exarg_T *eap)
@@ -1582,9 +1547,7 @@ cs_lookup_cmd(exarg_T *eap)
 
 
 /*
- * PRIVATE: cs_kill
- *
- * nuke em
+ * Nuke em.
  */
     static int
 cs_kill(exarg_T *eap UNUSED)
@@ -1639,8 +1602,6 @@ cs_kill(exarg_T *eap UNUSED)
 
 
 /*
- * PRIVATE: cs_kill_execute
- *
  * Actually kills a specific cscope connection.
  */
     static void
@@ -1659,22 +1620,20 @@ cs_kill_execute(
 
 
 /*
- * PRIVATE: cs_make_vim_style_matches
- *
- * convert the cscope output into a ctags style entry (as might be found
+ * Convert the cscope output into a ctags style entry (as might be found
  * in a ctags tags file).  there's one catch though: cscope doesn't tell you
  * the type of the tag you are looking for.  for example, in Darren Hiebert's
  * ctags (the one that comes with vim), #define's use a line number to find the
  * tag in a file while function definitions use a regexp search pattern.
  *
- * i'm going to always use the line number because cscope does something
+ * I'm going to always use the line number because cscope does something
  * quirky (and probably other things i don't know about):
  *
  *     if you have "#  define" in your source file, which is
  *     perfectly legal, cscope thinks you have "#define".  this
  *     will result in a failed regexp search. :(
  *
- * besides, even if this particular case didn't happen, the search pattern
+ * Besides, even if this particular case didn't happen, the search pattern
  * would still have to be modified to escape all the special regular expression
  * characters to comply with ctags formatting.
  */
@@ -1721,9 +1680,7 @@ cs_make_vim_style_matches(
 
 
 /*
- * PRIVATE: cs_manage_matches
- *
- * this is kind of hokey, but i don't see an easy way round this..
+ * This is kind of hokey, but i don't see an easy way round this.
  *
  * Store: keep a ptr to the (malloc'd) memory of matches originally
  * generated from cs_find().  the matches are originally lines directly
@@ -1801,9 +1758,7 @@ cs_manage_matches(
 
 
 /*
- * PRIVATE: cs_parse_results
- *
- * parse cscope output
+ * Parse cscope output.
  */
     static char *
 cs_parse_results(
@@ -1864,9 +1819,7 @@ cs_parse_results(
 
 #ifdef FEAT_QUICKFIX
 /*
- * PRIVATE: cs_file_results
- *
- * write cscope find results to file
+ * Write cscope find results to file.
  */
     static void
 cs_file_results(FILE *f, int *nummatches_a)
@@ -1919,10 +1872,8 @@ cs_file_results(FILE *f, int *nummatches_a)
 #endif
 
 /*
- * PRIVATE: cs_fill_results
- *
- * get parsed cscope output and calls cs_make_vim_style_matches to convert
- * into ctags format
+ * Get parsed cscope output and calls cs_make_vim_style_matches to convert
+ * into ctags format.
  * When there are no matches sets "*matches_p" to NULL.
  */
     static void
@@ -2032,9 +1983,7 @@ cs_pathcomponents(char *path)
 }
 
 /*
- * PRIVATE: cs_print_tags_priv
- *
- * called from cs_manage_matches()
+ * Called from cs_manage_matches().
  */
     static void
 cs_print_tags_priv(char **matches, char **cntxts, int num_matches)
@@ -2182,9 +2131,7 @@ cs_print_tags_priv(char **matches, char **cntxts, int num_matches)
 
 
 /*
- * PRIVATE: cs_read_prompt
- *
- * read a cscope prompt (basically, skip over the ">> ")
+ * Read a cscope prompt (basically, skip over the ">> ").
  */
     static int
 cs_read_prompt(int i)
@@ -2280,8 +2227,6 @@ sig_handler SIGDEFARG(sigarg)
 #endif
 
 /*
- * PRIVATE: cs_release_csp
- *
  * Does the actual free'ing for the cs ptr with an optional flag of whether
  * or not to free the filename.  Called by cs_kill and cs_reset.
  */
@@ -2408,9 +2353,7 @@ cs_release_csp(int i, int freefnpp)
 
 
 /*
- * PRIVATE: cs_reset
- *
- * calls cs_kill on all cscope connections then reinits
+ * Calls cs_kill on all cscope connections then reinits.
  */
     static int
 cs_reset(exarg_T *eap UNUSED)
@@ -2474,8 +2417,6 @@ cs_reset(exarg_T *eap UNUSED)
 
 
 /*
- * PRIVATE: cs_resolve_file
- *
  * Construct the full pathname to a file found in the cscope database.
  * (Prepends ppath, if there is one and if it's not already prepended,
  * otherwise just uses the name found.)
@@ -2544,9 +2485,7 @@ cs_resolve_file(int i, char *name)
 
 
 /*
- * PRIVATE: cs_show
- *
- * show all cscope connections
+ * Show all cscope connections.
  */
     static int
 cs_show(exarg_T *eap UNUSED)
@@ -2579,8 +2518,6 @@ cs_show(exarg_T *eap UNUSED)
 
 
 /*
- * PUBLIC: cs_end
- *
  * Only called when VIM exits to quit any cscope sessions.
  */
     void
diff --git a/src/proto/if_cscope.pro b/src/proto/if_cscope.pro
index 3a3b392f5f..f9919c4da7 100644
--- a/src/proto/if_cscope.pro
+++ b/src/proto/if_cscope.pro
@@ -1,9 +1,9 @@
 /* if_cscope.c */
 char_u *get_cscope_name(expand_T *xp, int idx);
 void set_context_in_cscope_cmd(expand_T *xp, char_u *arg, cmdidx_T cmdidx);
-void do_cscope(exarg_T *eap);
-void do_scscope(exarg_T *eap);
-void do_cstag(exarg_T *eap);
+void ex_cscope(exarg_T *eap);
+void ex_scscope(exarg_T *eap);
+void ex_cstag(exarg_T *eap);
 int cs_fgets(char_u *buf, int size);
 void cs_free_tags(void);
 void cs_print_tags(void);
diff --git a/src/version.c b/src/version.c
index d4b84c5ce1..3071edc9d5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    81,
 /**/
     80,
 /**/

From 3f7d0907269558cb3ea184a3083640f9e20bb21e Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 12 Nov 2016 21:13:42 +0100
Subject: [PATCH 5/5] patch 8.0.0082 Problem:    Extension for configure should
 be ".ac". Solution:   Rename configure.in to configure.ac. (James McCoy,
 closes #1173)

---
 Filelist                           | 2 +-
 src/INSTALL                        | 4 ++--
 src/Makefile                       | 6 +++---
 src/blowfish.c                     | 2 +-
 src/channel.c                      | 2 +-
 src/config.h.in                    | 4 ++--
 src/{configure.in => configure.ac} | 2 +-
 src/main.aap                       | 4 ++--
 src/mysign                         | 2 +-
 src/os_unix.c                      | 2 +-
 src/version.c                      | 2 ++
 11 files changed, 17 insertions(+), 15 deletions(-)
 rename src/{configure.in => configure.ac} (99%)

diff --git a/Filelist b/Filelist
index 7334e5ed56..ea6f2e2eda 100644
--- a/Filelist
+++ b/Filelist
@@ -207,7 +207,7 @@ SRC_UNIX =	\
 		src/config.mk.dist \
 		src/config.mk.in \
 		src/configure \
-		src/configure.in \
+		src/configure.ac \
 		src/gui_at_fs.c \
 		src/gui_at_sb.c \
 		src/gui_at_sb.h \
diff --git a/src/INSTALL b/src/INSTALL
index a827fa1bd9..99f1047a48 100644
--- a/src/INSTALL
+++ b/src/INSTALL
@@ -221,8 +221,8 @@ diffs or instructions to the address given in the `README' so they can
 be considered for the next release.  If at some point `config.cache'
 contains results you don't want to keep, you may remove or edit it.
 
-   The file `configure.in' is used to create `configure' by a program
-called `autoconf'.  You only need `configure.in' if you want to change
+   The file `configure.ac' is used to create `configure' by a program
+called `autoconf'.  You only need `configure.ac' if you want to change
 it or regenerate `configure' using a newer version of `autoconf'.
 
 The simplest way to compile this package is:
diff --git a/src/Makefile b/src/Makefile
index fef53af432..5c788cc207 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -690,8 +690,8 @@ SANITIZER_LIBS = $(SANITIZER_CFLAGS)
 #####################################################
 
 ### Uncomment things here only if the values chosen by configure are wrong.
-### It's better to adjust configure.in and "make autoconf", if you can!
-### Then send the required changes to configure.in to the bugs list.
+### It's better to adjust configure.ac and "make autoconf", if you can!
+### Then send the required changes to configure.ac to the bugs list.
 
 ### (1) BSD/OS 2.0.1, 2.1 or 3.0 using shared libraries
 ###
@@ -1832,7 +1832,7 @@ reconfig: scratch clean
 # - DO NOT RUN autoconf MANUALLY!  It will overwrite ./configure instead of
 #   producing auto/configure.
 # - autoconf is not run automatically, because a patch usually changes both
-#   configure.in and auto/configure but can't update the timestamps.  People
+#   configure.ac and auto/configure but can't update the timestamps.  People
 #   who do not have (the correct version of) autoconf would run into trouble.
 #
 # Two tricks are required to make autoconf put its output in the "auto" dir:
diff --git a/src/blowfish.c b/src/blowfish.c
index ac9b088d66..eaf0b9ed56 100644
--- a/src/blowfish.c
+++ b/src/blowfish.c
@@ -38,7 +38,7 @@ typedef union {
   /* MS-Windows is always little endian */
 #else
 # ifdef HAVE_CONFIG_H
-   /* in configure.in AC_C_BIGENDIAN() defines WORDS_BIGENDIAN when needed */
+   /* in configure.ac AC_C_BIGENDIAN() defines WORDS_BIGENDIAN when needed */
 # else
    error!
    Please change this code to define WORDS_BIGENDIAN for big-endian machines.
diff --git a/src/channel.c b/src/channel.c
index aa82d717d4..1ddb1ece35 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -19,7 +19,7 @@
 # define CH_HAS_GUI (gui.in_use || gui.starting)
 #endif
 
-/* Note: when making changes here also adjust configure.in. */
+/* Note: when making changes here also adjust configure.ac. */
 #ifdef WIN32
 /* WinSock API is separated from C API, thus we can't use read(), write(),
  * errno... */
diff --git a/src/config.h.in b/src/config.h.in
index 62427e28eb..5baac7d6b5 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -1,6 +1,6 @@
 /*
- * config.h.in.  Generated automatically from configure.in by autoheader, and
- * manually changed after that.
+ * config.h.in.  Originally generated automatically from configure.ac by
+ * autoheader and manually changed after that.
  */
 
 /* Define if we have EBCDIC code */
diff --git a/src/configure.in b/src/configure.ac
similarity index 99%
rename from src/configure.in
rename to src/configure.ac
index 43bf9ad170..f6a44691f0 100644
--- a/src/configure.in
+++ b/src/configure.ac
@@ -1,4 +1,4 @@
-dnl configure.in: autoconf script for Vim
+dnl configure.ac: autoconf script for Vim
 
 dnl Process this file with autoconf 2.12 or 2.13 to produce "configure".
 dnl Should also work with autoconf 2.54 and later.
diff --git a/src/main.aap b/src/main.aap
index bedbbb5e3a..19bc97de55 100644
--- a/src/main.aap
+++ b/src/main.aap
@@ -22,11 +22,11 @@
     # A U T O C O N F
     #
 
-    # Run autoconf when configure.in has been changed since it was last run.
+    # Run autoconf when configure.ac has been changed since it was last run.
     # This is skipped when the signatures in "mysign" are up-to-date.  When
     # there is no autoconf program skip this (the signature is often the only
     # thing that's outdated)
-    auto/configure {signfile = mysign} : configure.in
+    auto/configure {signfile = mysign} : configure.ac
         @if not program_path("autoconf"):
             :print Can't find autoconf, using existing configure script.
         @else:
diff --git a/src/mysign b/src/mysign
index 42b6cbbcbf..fc751c01ea 100644
--- a/src/mysign
+++ b/src/mysign
@@ -1 +1 @@
-=auto/configure-lastupdate=1178970549.78-@buildcheck=dfc15c059b7ce88a951584995c49a201=configure.in@md5=e0d6e9a7d7b986d63ce4e8e7362fd0b9
+=auto/configure-lastupdate=1178970549.78-@buildcheck=dfc15c059b7ce88a951584995c49a201=configure.ac@md5=e0d6e9a7d7b986d63ce4e8e7362fd0b9
diff --git a/src/os_unix.c b/src/os_unix.c
index 5d5b151675..6197c3fbdd 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -265,7 +265,7 @@ static xsmp_config_T xsmp;
  * that describe the signals. That is nearly what we want here.  But
  * autoconf does only check for sys_siglist (without the underscore), I
  * do not want to change everything today.... jw.
- * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in
+ * This is why AC_DECL_SYS_SIGLIST is commented out in configure.ac.
  */
 #endif
 
diff --git a/src/version.c b/src/version.c
index 3071edc9d5..e85192247e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    82,
 /**/
     81,
 /**/