fix(tests): use more global highlight definitions

1 files changed, 590 insertions, 640 deletions

diff --git a/test/functional/ui/diff_spec.lua b/test/functional/ui/diff_spec.lua
index 7aab061dc3..15b419c691 100644
--- a/test/functional/ui/diff_spec.lua
+++ b/test/functional/ui/diff_spec.lua
@@ -40,17 +40,6 @@ describe('Diff mode screen', function()
 
     screen = Screen.new(40, 16)
     screen:attach()
-    screen:set_default_attr_ids({
-      [1] = { foreground = Screen.colors.DarkBlue, background = Screen.colors.WebGray },
-      [2] = { background = Screen.colors.LightCyan1, bold = true, foreground = Screen.colors.Blue1 },
-      [3] = { reverse = true },
-      [4] = { background = Screen.colors.LightBlue },
-      [5] = { foreground = Screen.colors.DarkBlue, background = Screen.colors.LightGrey },
-      [6] = { bold = true, foreground = Screen.colors.Blue1 },
-      [7] = { bold = true, reverse = true },
-      [8] = { bold = true, background = Screen.colors.Red },
-      [9] = { background = Screen.colors.LightMagenta },
-    })
   end)
 
   it('Add a line in beginning of file 2', function()
@@ -60,31 +49,31 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:  }{2:------------------}│{1:  }{4:0                }|
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:+ }{5:+--  4 lines: 7···}│{1:+ }{5:+--  4 lines: 7··}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }{23:------------------}│{7:  }{22:0                }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:  }{2:------------------}│{1:  }{4:0                }|
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:+ }{5:+--  4 lines: 7···}│{1:+ }{5:+--  4 lines: 7··}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }{23:------------------}│{7:  }{22:0                }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
   end)
@@ -96,31 +85,31 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:  }{4:^0                 }│{1:  }{2:-----------------}|
-      {1:  }1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:+ }{5:+--  4 lines: 7···}│{1:+ }{5:+--  4 lines: 7··}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }{22:^0                 }│{7:  }{23:-----------------}|
+      {7:  }1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:  }{4:^0                 }│{1:  }{2:-----------------}|
-      {1:  }1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:+ }{5:+--  4 lines: 7···}│{1:+ }{5:+--  4 lines: 7··}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }{22:^0                 }│{7:  }{23:-----------------}|
+      {7:  }1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:+ }{13:+--  4 lines: 7···}│{7:+ }{13:+--  4 lines: 7··}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
   end)
@@ -132,44 +121,44 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{2:------------------}│{1:  }{4:11               }|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{23:------------------}│{7:  }{22:11               }|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{2:------------------}│{1:  }{4:11               }|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{23:------------------}│{7:  }{22:11               }|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
 
     screen:try_resize(40, 9)
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                               |
     ]])
   end)
@@ -181,44 +170,44 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{4:11                }│{1:  }{2:-----------------}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{22:11                }│{7:  }{23:-----------------}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{4:11                }│{1:  }{2:-----------------}|
-      {6:~                   }│{6:~                  }|*6
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{22:11                }│{7:  }{23:-----------------}|
+      {1:~                   }│{1:~                  }|*6
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
 
     screen:try_resize(40, 9)
     screen:expect([[
-      {1:+ }{5:^+--  4 lines: 1···}│{1:+ }{5:+--  4 lines: 1··}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+--  4 lines: 1···}│{7:+ }{13:+--  4 lines: 1··}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                               |
     ]])
   end)
@@ -230,39 +219,39 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }{2:------------------}│{1:  }{4:4                }|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{4:11                }│{1:  }{2:-----------------}|
-      {6:~                   }│{6:~                  }|*2
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }{23:------------------}│{7:  }{22:4                }|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{22:11                }│{7:  }{23:-----------------}|
+      {1:~                   }│{1:~                  }|*2
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }{2:------------------}│{1:  }{4:4                }|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{4:11                }│{1:  }{2:-----------------}|
-      {6:~                   }│{6:~                  }|*2
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }{23:------------------}│{7:  }{22:4                }|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{22:11                }│{7:  }{23:-----------------}|
+      {1:~                   }│{1:~                  }|*2
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
   end)
@@ -274,39 +263,39 @@ describe('Diff mode screen', function()
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }{4:4                 }│{1:  }{2:-----------------}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{2:------------------}│{1:  }{4:11               }|
-      {6:~                   }│{6:~                  }|*2
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }{22:4                 }│{7:  }{23:-----------------}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{23:------------------}│{7:  }{22:11               }|
+      {1:~                   }│{1:~                  }|*2
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:  }^1                 │{1:  }1                |
-      {1:  }2                 │{1:  }2                |
-      {1:  }3                 │{1:  }3                |
-      {1:  }4                 │{1:  }4                |
-      {1:  }{4:4                 }│{1:  }{2:-----------------}|
-      {1:  }5                 │{1:  }5                |
-      {1:  }6                 │{1:  }6                |
-      {1:  }7                 │{1:  }7                |
-      {1:  }8                 │{1:  }8                |
-      {1:  }9                 │{1:  }9                |
-      {1:  }10                │{1:  }10               |
-      {1:  }{2:------------------}│{1:  }{4:11               }|
-      {6:~                   }│{6:~                  }|*2
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:  }^1                 │{7:  }1                |
+      {7:  }2                 │{7:  }2                |
+      {7:  }3                 │{7:  }3                |
+      {7:  }4                 │{7:  }4                |
+      {7:  }{22:4                 }│{7:  }{23:-----------------}|
+      {7:  }5                 │{7:  }5                |
+      {7:  }6                 │{7:  }6                |
+      {7:  }7                 │{7:  }7                |
+      {7:  }8                 │{7:  }8                |
+      {7:  }9                 │{7:  }9                |
+      {7:  }10                │{7:  }10               |
+      {7:  }{23:------------------}│{7:  }{22:11               }|
+      {1:~                   }│{1:~                  }|*2
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt+=internal                  |
     ]])
   end)
@@ -372,41 +361,41 @@ int main(int argc, char **argv)
       reread()
       feed(':set diffopt=internal,filler<cr>')
       screen:expect([[
-        {1:  }^#include <stdio.h>│{1:  }#include <stdio.h|
-        {1:  }                  │{1:  }                 |
-        {1:  }{8:// Frobs foo heart}│{1:  }{8:int fib(int n)}{9:   }|
-        {1:  }{4:int frobnitz(int f}│{1:  }{2:-----------------}|
-        {1:  }{                 │{1:  }{                |
-        {1:  }{9:    i}{8:nt i;}{9:        }│{1:  }{9:    i}{8:f(n > 2)}{9:    }|
-        {1:  }{4:    for(i = 0; i <}│{1:  }{2:-----------------}|
-        {1:  }    {             │{1:  }    {            |
-        {1:  }{9:        }{8:printf("Yo}│{1:  }{9:        }{8:return fi}|
-        {1:  }{4:        printf("%d}│{1:  }{2:-----------------}|
-        {1:  }    }             │{1:  }    }            |
-        {1:  }{2:------------------}│{1:  }{4:    return 1;    }|
-        {1:  }}                 │{1:  }}                |
-        {1:  }                  │{1:  }                 |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
+        {7:  }                  │{7:  }                 |
+        {7:  }{27:// Frobs foo heart}│{7:  }{27:int fib(int n)}{4:   }|
+        {7:  }{22:int frobnitz(int f}│{7:  }{23:-----------------}|
+        {7:  }{                 │{7:  }{                |
+        {7:  }{4:    i}{27:nt i;}{4:        }│{7:  }{4:    i}{27:f(n > 2)}{4:    }|
+        {7:  }{22:    for(i = 0; i <}│{7:  }{23:-----------------}|
+        {7:  }    {             │{7:  }    {            |
+        {7:  }{4:        }{27:printf("Yo}│{7:  }{4:        }{27:return fi}|
+        {7:  }{22:        printf("%d}│{7:  }{23:-----------------}|
+        {7:  }    }             │{7:  }    }            |
+        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
+        {7:  }}                 │{7:  }}                |
+        {7:  }                  │{7:  }                 |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
         :set diffopt=internal,filler            |
       ]])
 
       feed('G')
       screen:expect([[
-        {1:  }{2:------------------}│{1:  }{4:int frobnitz(int }|
-        {1:  }{                 │{1:  }{                |
-        {1:  }{9:    i}{8:f(n > 1)}{9:     }│{1:  }{9:    i}{8:nt i;}{9:       }|
-        {1:  }{2:------------------}│{1:  }{4:    for(i = 0; i }|
-        {1:  }    {             │{1:  }    {            |
-        {1:  }{9:        }{8:return fac}│{1:  }{9:        }{8:printf("%}|
-        {1:  }    }             │{1:  }    }            |
-        {1:  }{4:    return 1;     }│{1:  }{2:-----------------}|
-        {1:  }}                 │{1:  }}                |
-        {1:  }                  │{1:  }                 |
-        {1:  }int main(int argc,│{1:  }int main(int argc|
-        {1:  }{                 │{1:  }{                |
-        {1:  }{9:    frobnitz(f}{8:act}{9:(}│{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
-        {1:  }^}                 │{1:  }}                |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }{23:------------------}│{7:  }{22:int frobnitz(int }|
+        {7:  }{                 │{7:  }{                |
+        {7:  }{4:    i}{27:f(n > 1)}{4:     }│{7:  }{4:    i}{27:nt i;}{4:       }|
+        {7:  }{23:------------------}│{7:  }{22:    for(i = 0; i }|
+        {7:  }    {             │{7:  }    {            |
+        {7:  }{4:        }{27:return fac}│{7:  }{4:        }{27:printf("%}|
+        {7:  }    }             │{7:  }    }            |
+        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
+        {7:  }}                 │{7:  }}                |
+        {7:  }                  │{7:  }                 |
+        {7:  }int main(int argc,│{7:  }int main(int argc|
+        {7:  }{                 │{7:  }{                |
+        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
+        {7:  }^}                 │{7:  }}                |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
         :set diffopt=internal,filler            |
       ]])
     end)
@@ -415,41 +404,41 @@ int main(int argc, char **argv)
       reread()
       feed(':set diffopt=internal,filler,algorithm:patience<cr>')
       screen:expect([[
-        {1:  }^#include <stdio.h>│{1:  }#include <stdio.h|
-        {1:  }                  │{1:  }                 |
-        {1:  }{2:------------------}│{1:  }{4:int fib(int n)   }|
-        {1:  }{2:------------------}│{1:  }{4:{                }|
-        {1:  }{2:------------------}│{1:  }{4:    if(n > 2)    }|
-        {1:  }{2:------------------}│{1:  }{4:    {            }|
-        {1:  }{2:------------------}│{1:  }{4:        return fi}|
-        {1:  }{2:------------------}│{1:  }{4:    }            }|
-        {1:  }{2:------------------}│{1:  }{4:    return 1;    }|
-        {1:  }{2:------------------}│{1:  }{4:}                }|
-        {1:  }{2:------------------}│{1:  }{4:                 }|
-        {1:  }// Frobs foo heart│{1:  }// Frobs foo hear|
-        {1:  }int frobnitz(int f│{1:  }int frobnitz(int |
-        {1:  }{                 │{1:  }{                |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
+        {7:  }                  │{7:  }                 |
+        {7:  }{23:------------------}│{7:  }{22:int fib(int n)   }|
+        {7:  }{23:------------------}│{7:  }{22:{                }|
+        {7:  }{23:------------------}│{7:  }{22:    if(n > 2)    }|
+        {7:  }{23:------------------}│{7:  }{22:    {            }|
+        {7:  }{23:------------------}│{7:  }{22:        return fi}|
+        {7:  }{23:------------------}│{7:  }{22:    }            }|
+        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
+        {7:  }{23:------------------}│{7:  }{22:}                }|
+        {7:  }{23:------------------}│{7:  }{22:                 }|
+        {7:  }// Frobs foo heart│{7:  }// Frobs foo hear|
+        {7:  }int frobnitz(int f│{7:  }int frobnitz(int |
+        {7:  }{                 │{7:  }{                |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                                 |
       ]])
 
       feed('G')
       screen:expect([[
-        {1:  }                  │{1:  }                 |
-        {1:  }{4:int fact(int n)   }│{1:  }{2:-----------------}|
-        {1:  }{4:{                 }│{1:  }{2:-----------------}|
-        {1:  }{4:    if(n > 1)     }│{1:  }{2:-----------------}|
-        {1:  }{4:    {             }│{1:  }{2:-----------------}|
-        {1:  }{4:        return fac}│{1:  }{2:-----------------}|
-        {1:  }{4:    }             }│{1:  }{2:-----------------}|
-        {1:  }{4:    return 1;     }│{1:  }{2:-----------------}|
-        {1:  }{4:}                 }│{1:  }{2:-----------------}|
-        {1:  }{4:                  }│{1:  }{2:-----------------}|
-        {1:  }int main(int argc,│{1:  }int main(int argc|
-        {1:  }{                 │{1:  }{                |
-        {1:  }{9:    frobnitz(f}{8:act}{9:(}│{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
-        {1:  }^}                 │{1:  }}                |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }                  │{7:  }                 |
+        {7:  }{22:int fact(int n)   }│{7:  }{23:-----------------}|
+        {7:  }{22:{                 }│{7:  }{23:-----------------}|
+        {7:  }{22:    if(n > 1)     }│{7:  }{23:-----------------}|
+        {7:  }{22:    {             }│{7:  }{23:-----------------}|
+        {7:  }{22:        return fac}│{7:  }{23:-----------------}|
+        {7:  }{22:    }             }│{7:  }{23:-----------------}|
+        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
+        {7:  }{22:}                 }│{7:  }{23:-----------------}|
+        {7:  }{22:                  }│{7:  }{23:-----------------}|
+        {7:  }int main(int argc,│{7:  }int main(int argc|
+        {7:  }{                 │{7:  }{                |
+        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
+        {7:  }^}                 │{7:  }}                |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                                 |
       ]])
     end)
@@ -458,41 +447,41 @@ int main(int argc, char **argv)
       reread()
       feed(':set diffopt=internal,filler,algorithm:histogram<cr>')
       screen:expect([[
-        {1:  }^#include <stdio.h>│{1:  }#include <stdio.h|
-        {1:  }                  │{1:  }                 |
-        {1:  }{2:------------------}│{1:  }{4:int fib(int n)   }|
-        {1:  }{2:------------------}│{1:  }{4:{                }|
-        {1:  }{2:------------------}│{1:  }{4:    if(n > 2)    }|
-        {1:  }{2:------------------}│{1:  }{4:    {            }|
-        {1:  }{2:------------------}│{1:  }{4:        return fi}|
-        {1:  }{2:------------------}│{1:  }{4:    }            }|
-        {1:  }{2:------------------}│{1:  }{4:    return 1;    }|
-        {1:  }{2:------------------}│{1:  }{4:}                }|
-        {1:  }{2:------------------}│{1:  }{4:                 }|
-        {1:  }// Frobs foo heart│{1:  }// Frobs foo hear|
-        {1:  }int frobnitz(int f│{1:  }int frobnitz(int |
-        {1:  }{                 │{1:  }{                |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^#include <stdio.h>│{7:  }#include <stdio.h|
+        {7:  }                  │{7:  }                 |
+        {7:  }{23:------------------}│{7:  }{22:int fib(int n)   }|
+        {7:  }{23:------------------}│{7:  }{22:{                }|
+        {7:  }{23:------------------}│{7:  }{22:    if(n > 2)    }|
+        {7:  }{23:------------------}│{7:  }{22:    {            }|
+        {7:  }{23:------------------}│{7:  }{22:        return fi}|
+        {7:  }{23:------------------}│{7:  }{22:    }            }|
+        {7:  }{23:------------------}│{7:  }{22:    return 1;    }|
+        {7:  }{23:------------------}│{7:  }{22:}                }|
+        {7:  }{23:------------------}│{7:  }{22:                 }|
+        {7:  }// Frobs foo heart│{7:  }// Frobs foo hear|
+        {7:  }int frobnitz(int f│{7:  }int frobnitz(int |
+        {7:  }{                 │{7:  }{                |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                                 |
       ]])
 
       feed('G')
       screen:expect([[
-        {1:  }                  │{1:  }                 |
-        {1:  }{4:int fact(int n)   }│{1:  }{2:-----------------}|
-        {1:  }{4:{                 }│{1:  }{2:-----------------}|
-        {1:  }{4:    if(n > 1)     }│{1:  }{2:-----------------}|
-        {1:  }{4:    {             }│{1:  }{2:-----------------}|
-        {1:  }{4:        return fac}│{1:  }{2:-----------------}|
-        {1:  }{4:    }             }│{1:  }{2:-----------------}|
-        {1:  }{4:    return 1;     }│{1:  }{2:-----------------}|
-        {1:  }{4:}                 }│{1:  }{2:-----------------}|
-        {1:  }{4:                  }│{1:  }{2:-----------------}|
-        {1:  }int main(int argc,│{1:  }int main(int argc|
-        {1:  }{                 │{1:  }{                |
-        {1:  }{9:    frobnitz(f}{8:act}{9:(}│{1:  }{9:    frobnitz(f}{8:ib}{9:(}|
-        {1:  }^}                 │{1:  }}                |
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }                  │{7:  }                 |
+        {7:  }{22:int fact(int n)   }│{7:  }{23:-----------------}|
+        {7:  }{22:{                 }│{7:  }{23:-----------------}|
+        {7:  }{22:    if(n > 1)     }│{7:  }{23:-----------------}|
+        {7:  }{22:    {             }│{7:  }{23:-----------------}|
+        {7:  }{22:        return fac}│{7:  }{23:-----------------}|
+        {7:  }{22:    }             }│{7:  }{23:-----------------}|
+        {7:  }{22:    return 1;     }│{7:  }{23:-----------------}|
+        {7:  }{22:}                 }│{7:  }{23:-----------------}|
+        {7:  }{22:                  }│{7:  }{23:-----------------}|
+        {7:  }int main(int argc,│{7:  }int main(int argc|
+        {7:  }{                 │{7:  }{                |
+        {7:  }{4:    frobnitz(f}{27:act}{4:(}│{7:  }{4:    frobnitz(f}{27:ib}{4:(}|
+        {7:  }^}                 │{7:  }}                |
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                                 |
       ]])
     end)
@@ -525,17 +514,17 @@ int main(int argc, char **argv)
       reread()
       feed(':set diffopt=internal,filler<cr>')
       screen:expect([[
-        {1:  }^def finalize(value│{1:  }def finalize(valu|
-        {1:  }                  │{1:  }                 |
-        {1:  }  values.each do |│{1:  }  values.each do |
-        {1:  }{2:------------------}│{1:  }{4:    v.prepare    }|
-        {1:  }{2:------------------}│{1:  }{4:  end            }|
-        {1:  }{2:------------------}│{1:  }{4:                 }|
-        {1:  }{2:------------------}│{1:  }{4:  values.each do }|
-        {1:  }    v.finalize    │{1:  }    v.finalize   |
-        {1:  }  end             │{1:  }  end            |
-        {6:~                   }│{6:~                  }|*5
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^def finalize(value│{7:  }def finalize(valu|
+        {7:  }                  │{7:  }                 |
+        {7:  }  values.each do |│{7:  }  values.each do |
+        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
+        {7:  }{23:------------------}│{7:  }{22:  end            }|
+        {7:  }{23:------------------}│{7:  }{22:                 }|
+        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
+        {7:  }    v.finalize    │{7:  }    v.finalize   |
+        {7:  }  end             │{7:  }  end            |
+        {1:~                   }│{1:~                  }|*5
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
         :set diffopt=internal,filler            |
       ]])
     end)
@@ -544,17 +533,17 @@ int main(int argc, char **argv)
       reread()
       feed(':set diffopt=internal,filler,indent-heuristic<cr>')
       screen:expect([[
-        {1:  }^def finalize(value│{1:  }def finalize(valu|
-        {1:  }                  │{1:  }                 |
-        {1:  }{2:------------------}│{1:  }{4:  values.each do }|
-        {1:  }{2:------------------}│{1:  }{4:    v.prepare    }|
-        {1:  }{2:------------------}│{1:  }{4:  end            }|
-        {1:  }{2:------------------}│{1:  }{4:                 }|
-        {1:  }  values.each do |│{1:  }  values.each do |
-        {1:  }    v.finalize    │{1:  }    v.finalize   |
-        {1:  }  end             │{1:  }  end            |
-        {6:~                   }│{6:~                  }|*5
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^def finalize(value│{7:  }def finalize(valu|
+        {7:  }                  │{7:  }                 |
+        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
+        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
+        {7:  }{23:------------------}│{7:  }{22:  end            }|
+        {7:  }{23:------------------}│{7:  }{22:                 }|
+        {7:  }  values.each do |│{7:  }  values.each do |
+        {7:  }    v.finalize    │{7:  }    v.finalize   |
+        {7:  }  end             │{7:  }  end            |
+        {1:~                   }│{1:~                  }|*5
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
                                                 |
       ]])
     end)
@@ -564,17 +553,17 @@ int main(int argc, char **argv)
       feed(':set diffopt=internal,filler,indent-heuristic,algorithm:patience<cr>')
       feed(':<cr>')
       screen:expect([[
-        {1:  }^def finalize(value│{1:  }def finalize(valu|
-        {1:  }                  │{1:  }                 |
-        {1:  }{2:------------------}│{1:  }{4:  values.each do }|
-        {1:  }{2:------------------}│{1:  }{4:    v.prepare    }|
-        {1:  }{2:------------------}│{1:  }{4:  end            }|
-        {1:  }{2:------------------}│{1:  }{4:                 }|
-        {1:  }  values.each do |│{1:  }  values.each do |
-        {1:  }    v.finalize    │{1:  }    v.finalize   |
-        {1:  }  end             │{1:  }  end            |
-        {6:~                   }│{6:~                  }|*5
-        {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+        {7:  }^def finalize(value│{7:  }def finalize(valu|
+        {7:  }                  │{7:  }                 |
+        {7:  }{23:------------------}│{7:  }{22:  values.each do }|
+        {7:  }{23:------------------}│{7:  }{22:    v.prepare    }|
+        {7:  }{23:------------------}│{7:  }{22:  end            }|
+        {7:  }{23:------------------}│{7:  }{22:                 }|
+        {7:  }  values.each do |│{7:  }  values.each do |
+        {7:  }    v.finalize    │{7:  }    v.finalize   |
+        {7:  }  end             │{7:  }  end            |
+        {1:~                   }│{1:~                  }|*5
+        {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
         :                                       |
       ]])
     end)
@@ -587,17 +576,17 @@ int main(int argc, char **argv)
 
     feed(':set diffopt=filler<cr>')
     screen:expect([[
-      {1:+ }{5:^+-- 10 lines: 1···}│{1:+ }{5:+-- 10 lines: 1··}|
-      {6:~                   }│{6:~                  }|*13
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+-- 10 lines: 1···}│{7:+ }{13:+-- 10 lines: 1··}|
+      {1:~                   }│{1:~                  }|*13
+      {3:<onal-diff-screen-1  }{2:<l-diff-screen-1.2 }|
       :set diffopt=filler                     |
     ]])
 
     feed(':set diffopt+=internal<cr>')
     screen:expect([[
-      {1:+ }{5:^+-- 10 lines: 1···}│{1:+ }{5:+-- 10 lines: 1··}|
-      {6:~                   }│{6:~                  }|*13
-      {7:<onal-diff-screen-1  }{3:<l-diff-screen-1.2 }|
+      {7:+ }{13:^+-- 10 lines: 1···}│{7:+ }{13:+-- 10 lines: 1··}|