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index 427ea9f..17e77e5 100644
--- a/src/testdir/dumps/Test_pum_maxwidth_02.dump
+++ b/src/testdir/dumps/Test_pum_maxwidth_02.dump
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diff --git a/src/testdir/dumps/Test_pum_maxwidth_03.dump b/src/testdir/dumps/Test_pum_maxwidth_03.dump
index e303108..906e595 100644
--- a/src/testdir/dumps/Test_pum_maxwidth_03.dump
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diff --git a/src/testdir/dumps/Test_pum_maxwidth_04.dump b/src/testdir/dumps/Test_pum_maxwidth_04.dump
index a6d257e..72d0c5a 100644
--- a/src/testdir/dumps/Test_pum_maxwidth_04.dump
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diff --git a/src/testdir/dumps/Test_pum_maxwidth_05.dump b/src/testdir/dumps/Test_pum_maxwidth_05.dump
index b5765bc..6fb5081 100644
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index abc6bdf..b5765bc 100644
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index acdaa39..ada8acb 100644
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index 3c6ae51..aa41b76 100644
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index f46d0aa..fd71673 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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+| +0&#ffffff0@70> |o@1|f
+| +0#4040ff13&@70|<+0#0000001#e0e0e08|o@1|f
+| +0#4040ff13#ffffff0@70|<+0#0000001#ffd7ff255|r|a|b
+| +0#4040ff13#ffffff0@70|<+0#0000001#ffd7ff255| |一*&
+| +0#4040ff13#ffffff0@73|~
+| @73|~
+| @73|~
+| @73|~
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_01.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_01.dump
deleted file mode 100644
index 6453b70..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_01.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| |f|o@1|M|e|n|u| | +0#4040ff13#ffffff0@54
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| |b|a|r|M|e|n|u| | +0#4040ff13#ffffff0@54
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| |b|a|z|M|e|n|u| | +0#4040ff13#ffffff0@54
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_02.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_02.dump
deleted file mode 100644
index e8d9d97..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_02.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| |f|o@1|M|e|n|u| +0#4040ff13#ffffff0@55
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| |b|a|r|M|e|n|u| +0#4040ff13#ffffff0@55
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| |b|a|z|M|e|n|u| +0#4040ff13#ffffff0@55
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_03.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_03.dump
deleted file mode 100644
index f31cda1..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_03.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| |f|o@1|.@2| +0#4040ff13#ffffff0@56
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| |b|a|r|.@2| +0#4040ff13#ffffff0@56
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| |b|a|z|.@2| +0#4040ff13#ffffff0@56
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_04.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_04.dump
deleted file mode 100644
index f6f22b1..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_04.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| |f|.@2| +0#4040ff13#ffffff0@58
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| |b|.@2| +0#4040ff13#ffffff0@58
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| |b|.@2| +0#4040ff13#ffffff0@58
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_05.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_05.dump
deleted file mode 100644
index 1002ef3..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_05.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| |f|o@1| +0#4040ff13#ffffff0@59
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| |b|a|r| +0#4040ff13#ffffff0@59
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| |b|a|z| +0#4040ff13#ffffff0@59
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_06.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_06.dump
deleted file mode 100644
index a9a63a6..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_06.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|K|i|n|d| | +0#4040ff13#ffffff0@62
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|K|i|n|d| | +0#4040ff13#ffffff0@62
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|K|i|n|d| | +0#4040ff13#ffffff0@62
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_07.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_07.dump
deleted file mode 100644
index 12091b4..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_07.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08|o@1| |f|o@1|.@2| +0#4040ff13#ffffff0@64
-|b+0#0000001#ffd7ff255|a|r| |b|a|r|.@2| +0#4040ff13#ffffff0@64
-|b+0#0000001#ffd7ff255|a|z| |b|a|z|.@2| +0#4040ff13#ffffff0@64
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_08.dump b/src/testdir/dumps/Test_pum_maxwidth_with_many_items_08.dump
deleted file mode 100644
index 01c3e7d..0000000
--- a/src/testdir/dumps/Test_pum_maxwidth_with_many_items_08.dump
+++ /dev/null
@@ -1,8 +0,0 @@
-|f+0&#ffffff0|o@1> @71
-|f+0#0000001#e0e0e08| +0#4040ff13#ffffff0@73
-|b+0#0000001#ffd7ff255| +0#4040ff13#ffffff0@73
-|b+0#0000001#ffd7ff255| +0#4040ff13#ffffff0@73
-|~| @73
-|~| @73
-|~| @73
-|~| @73
diff --git a/src/testdir/gen_opt_test.vim b/src/testdir/gen_opt_test.vim
index 4721477..a087629 100644
--- a/src/testdir/gen_opt_test.vim
+++ b/src/testdir/gen_opt_test.vim
@@ -203,8 +203,9 @@
       \ 'fileformats': [['', 'dos', 'dos,unix'], ['xxx']],
       \ 'fillchars': [['', 'stl:x', 'stlnc:x', 'vert:x', 'fold:x', 'foldopen:x',
       \		'foldclose:x', 'foldsep:x', 'diff:x', 'eob:x', 'lastline:x',
-      \		'stl:\ ,vert:\|,fold:\\,diff:x'],
-      \		['xxx', 'vert:']],
+      \		'trunc:_', 'trunc:_,eob:x,trunc:_',
+      \		'stl:\ ,vert:\|,fold:\\,trunc:…,diff:x'],
+      \		['xxx', 'vert:', 'trunc:', "trunc:\b"]],
       \ 'foldclose': [['', 'all'], ['xxx']],
       \ 'foldmethod': [['manual', 'indent', 'expr', 'marker', 'syntax', 'diff'],
       \		['', 'xxx', 'expr,diff']],
diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index 445a2be..d282f91 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -2018,8 +2018,9 @@
   call term_sendkeys(buf, "\<Esc>3Gdd\"zp")
 
   call term_sendkeys(buf, ":set lines=10 columns=32\<CR>")
+  call TermWait(buf, 50)
   call term_sendkeys(buf, "GA\<C-N>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_09', {'rows': 10, 'cols': 32})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_05', {'rows': 10, 'cols': 32})
   call term_sendkeys(buf, "\<Esc>3Gdd\"zp")
 
   call StopVimInTerminal(buf)
@@ -2029,106 +2030,129 @@
   CheckScreendump
 
   let lines =<< trim END
+    let g:change = 0
     func Omni_test(findstart, base)
       if a:findstart
         return col(".")
       endif
-      return [
-        \ #{word: "123456789_123456789_123456789_"},
-        \ #{word: "一二三四五六七八九十"},
-        \ #{word: "abcdefghij"},
-        \ #{word: "上下左右"},
-        \ ]
+      if g:change == 0
+        return [
+          \ #{word: "123456789_123456789_123456789_"},
+          \ #{word: "一二三四五六七八九十"},
+          \ #{word: "abcdefghij"},
+          \ #{word: "上下左右"},
+          \ ]
+      elseif g:change == 1
+        return [
+          \ #{word: "foo", menu: "fooMenu", kind: "fooKind"},
+          \ #{word: "bar", menu: "barMenu", kind: "barKind"},
+          \ #{word: "baz", menu: "bazMenu", kind: "bazKind"},
+          \ ]
+      elseif g:change == 2
+        return [
+          \ #{word: "foo", menu: "fooMenu", kind: "fooKind"},
+          \ #{word: "bar", menu: "fooMenu", kind: "一二三四"},
+          \ #{word: "一二三四五", kind: "multi"},
+          \ ]
+      else
+        return [#{word: "bar", menu: "fooMenu", kind: "一二三"}]
+      endif
     endfunc
     set omnifunc=Omni_test
+    set cot+=menuone
   END
   call writefile(lines, 'Xtest', 'D')
   let  buf = RunVimInTerminal('-S Xtest', {})
   call TermWait(buf)
 
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_05', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_06', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
   call term_sendkeys(buf, ":set pummaxwidth=10\<CR>")
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_06', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_07', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
   if has('rightleft')
     call term_sendkeys(buf, ":set rightleft\<CR>")
     call term_sendkeys(buf, "S\<C-X>\<C-O>")
-    call VerifyScreenDump(buf, 'Test_pum_maxwidth_07', {'rows': 8})
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_08', {'rows': 8})
     call term_sendkeys(buf, "\<Esc>:set norightleft\<CR>")
   endif
 
   call term_sendkeys(buf, ":set pummaxwidth=2\<CR>")
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_08', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_09', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
-  call StopVimInTerminal(buf)
-endfunc
+  call term_sendkeys(buf, ":set pummaxwidth=14\<CR>")
+  call term_sendkeys(buf, ":let g:change=1\<CR>S\<C-X>\<C-O>")
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_10', {'rows': 8})
+  call term_sendkeys(buf, "\<ESC>")
 
-func Test_pum_maxwidth_with_many_items()
-  CheckScreendump
-
-  let lines =<< trim END
-    func Omni_test(findstart, base)
-    if a:findstart
-      return col(".")
-    endif
-    return [
-      \ #{word: "foo", menu: "fooMenu", kind: "fooKind"},
-      \ #{word: "bar", menu: "barMenu", kind: "barKind"},
-      \ #{word: "baz", menu: "bazMenu", kind: "bazKind"},
-      \ ]
-    endfunc
-    set omnifunc=Omni_test
-  END
-  call writefile(lines, 'Xtest', 'D')
-  let  buf = RunVimInTerminal('-S Xtest', {})
-  call TermWait(buf)
-
-  call term_sendkeys(buf, ":set pummaxwidth=20\<CR>")
+  " Unicode Character U+2026 but one cell
+  call term_sendkeys(buf, ":set fcs+=trunc:…\<CR>")
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_01', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_11', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
-  call term_sendkeys(buf, ":set pummaxwidth=19\<CR>")
-  call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_02', {'rows': 8})
+  call term_sendkeys(buf, ":let g:change=2\<CR>S\<C-X>\<C-O>")
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_12', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
-  call term_sendkeys(buf, ":set pummaxwidth=18\<CR>")   " display Ellipsis
+  call term_sendkeys(buf, ":set fcs&\<CR>")
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_03', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_13', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
-  call term_sendkeys(buf, ":set pummaxwidth=16\<CR>")   " display Ellipsis
+  call term_sendkeys(buf, ":set fcs=trunc:_\<CR>")
+  call term_sendkeys(buf, ":let g:change=1\<CR>")
+  call TermWait(buf, 50)
   call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_04', {'rows': 8})
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_14', {'rows': 8})
+  call term_sendkeys(buf, "\<ESC>")
+  call term_sendkeys(buf, ":set fcs&\<CR>")
+
+  if has('rightleft')
+    call term_sendkeys(buf, ":set rightleft\<CR>")
+    call term_sendkeys(buf, "S\<C-X>\<C-O>")
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_15', {'rows': 8})
+    call term_sendkeys(buf, "\<ESC>")
+
+    call term_sendkeys(buf, ":let g:change=2\<CR>")
+    call TermWait(buf, 50)
+    call term_sendkeys(buf, "S\<C-X>\<C-O>")
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_16', {'rows': 8})
+    call term_sendkeys(buf, "\<ESC>")
+
+    call term_sendkeys(buf, ":set fcs+=trunc:…\<CR>")
+    call term_sendkeys(buf, "S\<C-X>\<C-O>")
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_17', {'rows': 8})
+    call term_sendkeys(buf, "\<ESC>")
+
+    call term_sendkeys(buf, ":set fcs&\<CR>")
+    call term_sendkeys(buf, ":let g:change=3\<CR>")
+    call TermWait(buf, 50)
+    call term_sendkeys(buf, "S\<C-X>\<C-O>")
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_18', {'rows': 8})
+    call term_sendkeys(buf, "\<Esc>:set norightleft\<CR>")
+  endif
+
+  call term_sendkeys(buf, ":set pummaxwidth=4\<CR>")
+  call term_sendkeys(buf, ":let g:change=2\<CR>")
+  call TermWait(buf, 50)
+  call term_sendkeys(buf, "S\<C-X>\<C-O>")
+  call VerifyScreenDump(buf, 'Test_pum_maxwidth_19', {'rows': 8})
   call term_sendkeys(buf, "\<ESC>")
 
-  call term_sendkeys(buf, ":set pummaxwidth=15\<CR>")
-  call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_05', {'rows': 8})
-  call term_sendkeys(buf, "\<ESC>")
-
-  call term_sendkeys(buf, ":set pummaxwidth=12\<CR>")
-  call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_06', {'rows': 8})
-  call term_sendkeys(buf, "\<ESC>")
-
-  call term_sendkeys(buf, ":set pummaxwidth=10\<CR>")   " display Ellipsis
-  call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_07', {'rows': 8})
-  call term_sendkeys(buf, "\<ESC>")
-
-  call term_sendkeys(buf, ":set pummaxwidth=1\<CR>")
-  call term_sendkeys(buf, "S\<C-X>\<C-O>")
-  call VerifyScreenDump(buf, 'Test_pum_maxwidth_with_many_items_08', {'rows': 8})
-  call term_sendkeys(buf, "\<ESC>")
+  if has('rightleft')
+    call term_sendkeys(buf, ":set rightleft\<CR>")
+    call TermWait(buf, 50)
+    call term_sendkeys(buf, "S\<C-X>\<C-O>")
+    call VerifyScreenDump(buf, 'Test_pum_maxwidth_20', {'rows': 8})
+    call term_sendkeys(buf, "\<Esc>:set norightleft\<CR>")
+  endif
 
   call StopVimInTerminal(buf)
 endfunc