Given vim (Parentheses):
  if l:x == 1
    call one()
  elseif l:x == 2
    call two()
  elseif l:x == 3
    call three()
  elseif l:x == 4
    call four()
  elseif l:x == 5
    call five()
  elseif l:x == 6
    call six()
  elseif l:x == 7
    call seven()
  elseif l:x == 8
    call eight()
  else
    call none()
  endif

Do (Delete 3 inner %):
  7gg
  d3i%

Expect vim (Verify):
  if l:x == 1
    call one()
  elseif l:x == 2
    call two()
  elseif l:x == 3
    call three()
  elseif l:x == 4
    call four()
  elseif l:x == 5
    call five()
  elseif l:x == 6
    call six()
  elseif l:x == 7
    call seven()
  elseif l:x == 8
    call eight()
  else
    call none()
  endif

Do (Delete 3 inner %, with blank first line):
  ggO\<esc>
  7gg
  d3i%

Expect vim (Verify):

  if l:x == 1
    call one()
  elseif l:x == 2
    call two()
  elseif l:x == 3
    call three()
  elseif l:x == 4
    call four()
  elseif l:x == 5
    call five()
  elseif l:x == 6
    call six()
  elseif l:x == 7
    call seven()
  elseif l:x == 8
    call eight()
  else
    call none()
  endif

Do (Delete inner %):
  7gg
  di%

Expect vim (Verify):
  if l:x == 1
    call one()
  elseif l:x == 2
    call two()
  elseif l:x == 3
  elseif l:x == 4
    call four()
  elseif l:x == 5
    call five()
  elseif l:x == 6
    call six()
  elseif l:x == 7
    call seven()
  elseif l:x == 8
    call eight()
  else
    call none()
  endif

Do (Delete 1 inner %):
  7gg
  d1i%

Expect vim (Verify):
  if l:x == 1
  endif