5 files changed, 68 insertions, 6 deletions

diff --git a/src/nvim/normal.c b/src/nvim/normal.c
index 60bf393085..2b5b47c0b3 100644
--- a/src/nvim/normal.c
+++ b/src/nvim/normal.c
@@ -4437,11 +4437,7 @@ static void nv_ident(cmdarg_T *cap)
       // Start insert mode in terminal buffer
       restart_edit = 'i';
 
-      add_map((char_u *)"<buffer> <esc> <Cmd>call jobstop(&channel)<CR>", TERM_FOCUS, true);
-      do_cmdline_cmd("autocmd TermClose <buffer> "
-                     " if !v:event.status |"
-                     "   exec 'bdelete! ' .. expand('<abuf>') |"
-                     " endif");
+      add_map((char_u *)"<buffer> <esc> <Cmd>bdelete!<CR>", TERM_FOCUS, true);
     }
   }
 
diff --git a/src/nvim/spell.c b/src/nvim/spell.c
index 9429a06e92..1296d410f6 100644
--- a/src/nvim/spell.c
+++ b/src/nvim/spell.c
@@ -4082,7 +4082,7 @@ static void suggest_trie_walk(suginfo_T *su, langp_T *lp, char_u *fword, bool so
           // char, e.g., "thes," -> "these".
           p = fword + sp->ts_fidx;
           MB_PTR_BACK(fword, p);
-          if (!spell_iswordp(p, curwin)) {
+          if (!spell_iswordp(p, curwin) && *preword != NUL) {
             p = preword + STRLEN(preword);
             MB_PTR_BACK(preword, p);
             if (spell_iswordp(p, curwin)) {
diff --git a/src/nvim/testdir/test_filetype.vim b/src/nvim/testdir/test_filetype.vim
index 45a10cc193..6e92baa939 100644
--- a/src/nvim/testdir/test_filetype.vim
+++ b/src/nvim/testdir/test_filetype.vim
@@ -1096,4 +1096,54 @@ func Test_git_file()
   filetype off
 endfunc
 
+func Test_foam_file()
+  filetype on
+  call assert_true(mkdir('0', 'p'))
+  call assert_true(mkdir('0.orig', 'p'))
+
+  call writefile(['FoamFile {', '    object something;'], 'Xfile1Dict')
+  split Xfile1Dict
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], 'Xfile1Dict.something')
+  split Xfile1Dict.something
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], 'XfileProperties')
+  split XfileProperties
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], 'XfileProperties.something')
+  split XfileProperties.something
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], 'XfileProperties')
+  split XfileProperties
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], 'XfileProperties.something')
+  split XfileProperties.something
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], '0/Xfile')
+  split 0/Xfile
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call writefile(['FoamFile {', '    object something;'], '0.orig/Xfile')
+  split 0.orig/Xfile
+  call assert_equal('foam', &filetype)
+  bwipe!
+
+  call delete('0', 'rf')
+  call delete('0.orig', 'rf')
+  filetype off
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/nvim/testdir/test_regexp_utf8.vim b/src/nvim/testdir/test_regexp_utf8.vim
index d8d5797dcf..c568805f87 100644
--- a/src/nvim/testdir/test_regexp_utf8.vim
+++ b/src/nvim/testdir/test_regexp_utf8.vim
@@ -590,4 +590,12 @@ func Test_match_char_class_upper()
   bwipe!
 endfunc
 
+func Test_match_invalid_byte()
+  call writefile(0z630a.765d30aa0a.2e0a.790a.4030, 'Xinvalid')
+  new
+  source Xinvalid
+  bwipe!
+  call delete('Xinvalid')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/nvim/testdir/test_spell.vim b/src/nvim/testdir/test_spell.vim
index cf0faeee31..1ecb5c8070 100644
--- a/src/nvim/testdir/test_spell.vim
+++ b/src/nvim/testdir/test_spell.vim
@@ -768,6 +768,14 @@ func Test_spell_screendump()
   call delete('XtestSpell')
 endfunc
 
+func Test_spell_single_word()
+  new
+  silent! norm 0R00
+  spell! ßÂ
+  silent 0norm 0r$ Dvz=
+  bwipe!
+endfunc
+
 let g:test_data_aff1 = [
       \"SET ISO8859-1",
       \"TRY esianrtolcdugmphbyfvkwjkqxz-\xEB\xE9\xE8\xEA\xEF\xEE\xE4\xE0\xE2\xF6\xFC\xFB'ESIANRTOLCDUGMPHBYFVKWJKQXZ",