diff --git a/Packaging.cmake b/Packaging.cmake
index 102c033e..fb14c5f1 100644
--- a/Packaging.cmake
+++ b/Packaging.cmake
@@ -1,31 +1,31 @@
 if(NOT VERSION)
-	set(VERSION "unknown")
+    set(VERSION "unknown")
 endif()
 
 string(REGEX REPLACE "^v?([0-9.]+)-?(.*)$"
-	"\\1;\\2" version_result ${VERSION})
+    "\\1;\\2" version_result ${VERSION})
 
 list(LENGTH version_result version_result_list_length)
 
 if(version_result_list_length EQUAL 2)
-	list(GET version_result 0 version_num)
-	list(GET version_result 1 version_gitstamp)
+    list(GET version_result 0 version_num)
+    list(GET version_result 1 version_gitstamp)
 else(version_result_list_length EQUAL 2)
-	message("Unable to deduce a meaningful version number. \
+    message("Unable to deduce a meaningful version number. \
 Set OVERRIDE_VERSION when you run CMake (cmake .. -DOVERRIDE_VERSION=3.14.159), or \
 just build from a git repository.")
-	set(version_num "0.0.0")
-	set(version_gitstamp "")
+    set(version_num "0.0.0")
+    set(version_gitstamp "")
 endif(version_result_list_length EQUAL 2)
 
 if(version_gitstamp)
-	set(version_gitsuffix "~git${version_gitstamp}")
+    set(version_gitsuffix "~git${version_gitstamp}")
 else(version_gitstamp)
-	set(version_gitsuffix "")
+    set(version_gitsuffix "")
 endif(version_gitstamp)
 
 string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)"
-	"\\1;\\2;\\3" version_num_split ${version_num})
+    "\\1;\\2;\\3" version_num_split ${version_num})
 
 list(APPEND version_num_split 0 0 0) #ensure the list(GET )) commands below never fail
 
@@ -40,21 +40,21 @@ message(STATUS "Package version will be set to ${version_num}${version_gitsuffix
 set(CPACK_PACKAGE_VERSION "${version_num}${version_gitsuffix}")
 
 if(NOT CPACK_GENERATOR)
-	a_find_program(rpmbuild_path "rpmbuild" FALSE)
-	if(rpmbuild_path)
-		message(STATUS "rpmbuild found, enabling RPM for the 'package' target")
-		list(APPEND CPACK_GENERATOR RPM)
-	else(rpmbuild_path)
-		message(STATUS "The 'package' target will not build a RPM")
-	endif(rpmbuild_path)
+    a_find_program(rpmbuild_path "rpmbuild" FALSE)
+    if(rpmbuild_path)
+        message(STATUS "rpmbuild found, enabling RPM for the 'package' target")
+        list(APPEND CPACK_GENERATOR RPM)
+    else(rpmbuild_path)
+        message(STATUS "The 'package' target will not build a RPM")
+    endif(rpmbuild_path)
 
-	a_find_program(dpkg_path "dpkg" FALSE)
-	if (dpkg_path)
-		message(STATUS "dpkg found, enabling DEB for the 'package' target")
-		list(APPEND CPACK_GENERATOR DEB)
-	else(dpkg_path)
-		message(STATUS "The 'package' target will not build a DEB")
-	endif(dpkg_path)
+    a_find_program(dpkg_path "dpkg" FALSE)
+    if (dpkg_path)
+        message(STATUS "dpkg found, enabling DEB for the 'package' target")
+        list(APPEND CPACK_GENERATOR DEB)
+    else(dpkg_path)
+        message(STATUS "The 'package' target will not build a DEB")
+    endif(dpkg_path)
 endif(NOT CPACK_GENERATOR)
 
 set(CPACK_PACKAGE_NAME "awesome")
@@ -62,5 +62,7 @@ set(CPACK_DEBIAN_PACKAGE_MAINTAINER "devnull@example.com")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "A tiling window manager")
 
 if(CPACK_GENERATOR)
-	include(CPack)
+    include(CPack)
 endif()
+
+# vim: filetype=cmake:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80:foldmethod=marker
diff --git a/docs/load_ldoc.cmake b/docs/load_ldoc.cmake
index 3123f082..d8f6fe21 100644
--- a/docs/load_ldoc.cmake
+++ b/docs/load_ldoc.cmake
@@ -16,3 +16,5 @@ foreach(doc_file_name ${doc_files})
     # Create a new variable usable from lua files
     set(DOC_${DOC_FILE_NAME}_COMMON "Imported documentation\n\n${doc_file_content}")
 endforeach()
+
+# vim: filetype=cmake:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80:foldmethod=marker
diff --git a/docs/widget_lists.cmake b/docs/widget_lists.cmake
index d0fe506f..10c4cf6d 100644
--- a/docs/widget_lists.cmake
+++ b/docs/widget_lists.cmake
@@ -47,3 +47,5 @@ endfunction()
 generate_widget_list( "container" )
 generate_widget_list( "layout"    )
 generate_widget_list( "widget"    )
+
+# vim: filetype=cmake:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80:foldmethod=marker
diff --git a/lib/awful/client/urgent.lua b/lib/awful/client/urgent.lua
index 22f6a6d7..8cdcc2cb 100644
--- a/lib/awful/client/urgent.lua
+++ b/lib/awful/client/urgent.lua
@@ -86,3 +86,5 @@ capi.client.connect_signal("focus", urgent.delete)
 capi.client.connect_signal("unmanage", urgent.delete)
 
 return urgent
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/lib/awful/mouse/drag_to_tag.lua b/lib/awful/mouse/drag_to_tag.lua
index 141456bc..e8e836d9 100644
--- a/lib/awful/mouse/drag_to_tag.lua
+++ b/lib/awful/mouse/drag_to_tag.lua
@@ -56,3 +56,5 @@ resize.add_move_callback(function(c, _, _)
 end, "mouse.move")
 
 return setmetatable(module, {__call = function(_, ...) return module.drag_to_tag(...) end})
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/lib/awful/mouse/resize.lua b/lib/awful/mouse/resize.lua
index edd278dc..de79c004 100644
--- a/lib/awful/mouse/resize.lua
+++ b/lib/awful/mouse/resize.lua
@@ -227,3 +227,5 @@ local function handler(_, client, context, args) --luacheck: no unused_args
 end
 
 return setmetatable(module, {__call=handler})
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/lib/awful/mouse/snap.lua b/lib/awful/mouse/snap.lua
index 048a6796..5109a1b8 100644
--- a/lib/awful/mouse/snap.lua
+++ b/lib/awful/mouse/snap.lua
@@ -264,3 +264,5 @@ resize.add_leave_callback(function(c, _, args)
 end, "mouse.move")
 
 return setmetatable(module, {__call = function(_, ...) return module.snap(...) end})
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/lib/gears/geometry.lua b/lib/gears/geometry.lua
index a429abd8..2b1f2048 100644
--- a/lib/gears/geometry.lua
+++ b/lib/gears/geometry.lua
@@ -238,3 +238,5 @@ function gears.geometry.rectangle.area_remove(areas, elem)
 end
 
 return gears.geometry
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/_multi_screen.lua b/tests/_multi_screen.lua
index 82aa7fe8..bc42b175 100644
--- a/tests/_multi_screen.lua
+++ b/tests/_multi_screen.lua
@@ -520,3 +520,5 @@ end
 return setmetatable(module, {
                     __call = function(_,...) return add_steps(...) end
                 })
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/CMakeLists.txt b/tests/examples/CMakeLists.txt
index 294e678d..d591a2af 100644
--- a/tests/examples/CMakeLists.txt
+++ b/tests/examples/CMakeLists.txt
@@ -57,7 +57,7 @@ function(escape_string variable content escaped_content line_prefix)
 
     set(tmp_output ${content})
     foreach (LINE ${var_lines})
-        if(NOT LINE MATCHES "^.+--DOC_[A-Z]+$")
+        if(NOT LINE MATCHES "^.*--DOC_[A-Z]+")
             set(tmp_output ${tmp_output}\n--${line_prefix}${LINE})
         endif()
     endforeach()
@@ -259,3 +259,5 @@ foreach(file ${test_files})
 endforeach()
 
 message(STATUS "Example tests passed.")
+
+# vim: filetype=cmake:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80:foldmethod=marker
diff --git a/tests/examples/awful/mouse/coords.lua b/tests/examples/awful/mouse/coords.lua
index c6cf46fe..3a42faa3 100644
--- a/tests/examples/awful/mouse/coords.lua
+++ b/tests/examples/awful/mouse/coords.lua
@@ -11,3 +11,5 @@ mouse.coords {
 }
 
 mouse.push_history() --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/align.lua b/tests/examples/awful/placement/align.lua
index 24570cee..6aa158a0 100644
--- a/tests/examples/awful/placement/align.lua
+++ b/tests/examples/awful/placement/align.lua
@@ -23,3 +23,5 @@ c = client.gen_fake {x = screen[3].geometry.x+10, y = screen[3].geometry.y+10, w
 placement.align(c, {position = "center_horizontal", honor_workarea=true})
 
 return {hide_lines=true}
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/bottom.lua b/tests/examples/awful/placement/bottom.lua
index cc56c10a..b997028c 100644
--- a/tests/examples/awful/placement/bottom.lua
+++ b/tests/examples/awful/placement/bottom.lua
@@ -14,3 +14,5 @@ awful.placement.bottom(client.focus)
 assert(c.x == screen[1].geometry.width/2-40/2-c.border_width--DOC_HIDE
        and c.y==screen[1].geometry.height-30-2*c.border_width--DOC_HIDE
        and c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/bottom_left.lua b/tests/examples/awful/placement/bottom_left.lua
index a06abe28..7ca40b3b 100644
--- a/tests/examples/awful/placement/bottom_left.lua
+++ b/tests/examples/awful/placement/bottom_left.lua
@@ -17,3 +17,5 @@ assert( --DOC_HIDE
        and c.width == 40--DOC_HIDE
        and c.height == 30--DOC_HIDE
        ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/bottom_right.lua b/tests/examples/awful/placement/bottom_right.lua
index 2abb4490..1503a929 100644
--- a/tests/examples/awful/placement/bottom_right.lua
+++ b/tests/examples/awful/placement/bottom_right.lua
@@ -14,3 +14,5 @@ awful.placement.bottom_right(client.focus)
 assert(c.x == screen[1].geometry.width-40-2*c.border_width) --DOC_HIDE
 assert(c.y==screen[1].geometry.height-30-2*c.border_width) --DOC_HIDE
 assert(c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/center_horizontal.lua b/tests/examples/awful/placement/center_horizontal.lua
index 931b947c..5ee87c67 100644
--- a/tests/examples/awful/placement/center_horizontal.lua
+++ b/tests/examples/awful/placement/center_horizontal.lua
@@ -13,3 +13,5 @@ awful.placement.center_horizontal(client.focus)
 assert(c.x == screen[1].geometry.width/2-40/2-c.border_width)--DOC_HIDE
 assert(c.y==35)--DOC_HIDE
 assert(c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/center_vertical.lua b/tests/examples/awful/placement/center_vertical.lua
index cf3fd646..dea446ad 100644
--- a/tests/examples/awful/placement/center_vertical.lua
+++ b/tests/examples/awful/placement/center_vertical.lua
@@ -9,3 +9,5 @@ local awful = {placement = require("awful.placement")} --DOC_HIDE
 --[[local c = ]]client.gen_fake {x = 45, y = 35, width=40, height=30} --DOC_HIDE
 
 awful.placement.center_vertical(client.focus)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/centered.lua b/tests/examples/awful/placement/centered.lua
index d6b1e3ae..796494db 100644
--- a/tests/examples/awful/placement/centered.lua
+++ b/tests/examples/awful/placement/centered.lua
@@ -14,3 +14,5 @@ awful.placement.centered(client.focus)
 assert(c.x == screen[1].geometry.width/2-40/2-c.border_width) --DOC_HIDE
 assert(c.y==screen[1].geometry.height/2-30/2-c.border_width) --DOC_HIDE
 assert(c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/closest_mouse.lua b/tests/examples/awful/placement/closest_mouse.lua
index 9c37ac29..f6232450 100644
--- a/tests/examples/awful/placement/closest_mouse.lua
+++ b/tests/examples/awful/placement/closest_mouse.lua
@@ -60,3 +60,5 @@ local _, corner = awful.placement.closest_corner(
     {include_sides = true, bounding_rect = {x=0, y=0, width=200, height=200}}
 )
 print("Closest corner:", corner)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/compose.lua b/tests/examples/awful/placement/compose.lua
index 1e547e8c..2ac83427 100644
--- a/tests/examples/awful/placement/compose.lua
+++ b/tests/examples/awful/placement/compose.lua
@@ -9,3 +9,5 @@ f(client.focus)
 local sg = screen[1].geometry--DOC_HIDE
 assert(c.x == sg.x and c.y==sg.height/2-30/2-c.border_width--DOC_HIDE
        and c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/compose2.lua b/tests/examples/awful/placement/compose2.lua
index 4a49f663..7fb40fa1 100644
--- a/tests/examples/awful/placement/compose2.lua
+++ b/tests/examples/awful/placement/compose2.lua
@@ -16,3 +16,5 @@ assert(c.x == wa.x and geo.x == wa.x)--DOC_HIDE
 assert(c.y == wa.y) --DOC_HIDE
 assert(c.width  == wa.width/2 - 2*c.border_width)--DOC_HIDE
 assert(c.height == wa.height  - 2*c.border_width)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/left.lua b/tests/examples/awful/placement/left.lua
index f16ba7b5..9d680e10 100644
--- a/tests/examples/awful/placement/left.lua
+++ b/tests/examples/awful/placement/left.lua
@@ -13,3 +13,5 @@ awful.placement.left(client.focus)
 
 assert(c.x == 0 and c.y==screen[1].geometry.height/2-30/2-c.border_width--DOC_HIDE
        and c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/maximize.lua b/tests/examples/awful/placement/maximize.lua
index aecb5227..f7063e52 100644
--- a/tests/examples/awful/placement/maximize.lua
+++ b/tests/examples/awful/placement/maximize.lua
@@ -16,3 +16,5 @@ local c1 = client.gen_fake {--DOC_HIDE
                c1.height+2*c1.border_width == screen[1].geometry.height) --DOC_HIDE
     end --DOC_HIDE
 end --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/maximize_horizontally.lua b/tests/examples/awful/placement/maximize_horizontally.lua
index dd06ab3a..d77bb8bf 100644
--- a/tests/examples/awful/placement/maximize_horizontally.lua
+++ b/tests/examples/awful/placement/maximize_horizontally.lua
@@ -13,3 +13,5 @@ placement.maximize_horizontally(c)
 assert(c.width + 2*c.border_width == screen[1].geometry.width) --DOC_HIDE
 assert(c.y == 35) --DOC_HIDE
 assert(c.height == 30) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/maximize_vertically.lua b/tests/examples/awful/placement/maximize_vertically.lua
index 8ecdfec2..18fa914e 100644
--- a/tests/examples/awful/placement/maximize_vertically.lua
+++ b/tests/examples/awful/placement/maximize_vertically.lua
@@ -13,3 +13,5 @@ placement.maximize_vertically(c)
 assert(c.height+2*c.border_width == screen[1].geometry.height)--DOC_HIDE
 assert(c.x == 45) --DOC_HIDE
 assert(c.width == 40) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/next_to_mouse.lua b/tests/examples/awful/placement/next_to_mouse.lua
index 45c76ddc..c5e94054 100644
--- a/tests/examples/awful/placement/next_to_mouse.lua
+++ b/tests/examples/awful/placement/next_to_mouse.lua
@@ -6,3 +6,5 @@ mouse.coords {x= 50, y=50} --DOC_HIDE
 mouse.push_history() --DOC_HIDE
 
 awful.placement.next_to_mouse(client.focus)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/no_offscreen.lua b/tests/examples/awful/placement/no_offscreen.lua
index 1f65cdb4..b596ab26 100644
--- a/tests/examples/awful/placement/no_offscreen.lua
+++ b/tests/examples/awful/placement/no_offscreen.lua
@@ -7,3 +7,5 @@ print("Before:", "x="..c.x..", y="..c.y..", width="..c.width..", height="..c.hei
 awful.placement.no_offscreen(c)--, {honor_workarea=true, margins=40})
 
 print("After:", "x="..c.x..", y="..c.y..", width="..c.width..", height="..c.height) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/no_overlap.lua b/tests/examples/awful/placement/no_overlap.lua
index 14d09a37..9faf08b6 100644
--- a/tests/examples/awful/placement/no_overlap.lua
+++ b/tests/examples/awful/placement/no_overlap.lua
@@ -24,3 +24,5 @@ awful.placement.no_overlap(client.focus) --FIXME --DOC_HIDE
 
 --TODO maximized + no_overlap --DOC_HIDE
 --TODO add 9 clients with no_overlap on all of them --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/resize_to_mouse.lua b/tests/examples/awful/placement/resize_to_mouse.lua
index a7f1a1a2..db561fd0 100644
--- a/tests/examples/awful/placement/resize_to_mouse.lua
+++ b/tests/examples/awful/placement/resize_to_mouse.lua
@@ -72,3 +72,5 @@ for _, v in ipairs(all_coords_in) do
     assert(test_touch_mouse(client.get()[s]), v[1])
     s = s + 1
 end
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/right.lua b/tests/examples/awful/placement/right.lua
index 4e16cea6..0aa7ad48 100644
--- a/tests/examples/awful/placement/right.lua
+++ b/tests/examples/awful/placement/right.lua
@@ -14,3 +14,5 @@ awful.placement.right(client.focus)
 assert(c.x == screen[1].geometry.width-40-2*c.border_width) --DOC_HIDE
 assert( c.y==screen[1].geometry.height/2-30/2-c.border_width)--DOC_HIDE
 assert( c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/stretch.lua b/tests/examples/awful/placement/stretch.lua
index fca27952..c80e0bd1 100644
--- a/tests/examples/awful/placement/stretch.lua
+++ b/tests/examples/awful/placement/stretch.lua
@@ -14,3 +14,5 @@ local c1 = client.gen_fake {--DOC_HIDE
 
     placement.stretch(c1, {direction=pos})
 end
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/stretch_down.lua b/tests/examples/awful/placement/stretch_down.lua
index 76a56f7d..5f2b510e 100644
--- a/tests/examples/awful/placement/stretch_down.lua
+++ b/tests/examples/awful/placement/stretch_down.lua
@@ -16,3 +16,5 @@ assert(c.y==35) --DOC_HIDE
 assert(c.width == 40) --DOC_HIDE
 assert(c.y+c.height+2*c.border_width == --DOC_HIDE
        screen[1].geometry.y + screen[1].geometry.height) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/stretch_left.lua b/tests/examples/awful/placement/stretch_left.lua
index 06a8731d..5de1bee6 100644
--- a/tests/examples/awful/placement/stretch_left.lua
+++ b/tests/examples/awful/placement/stretch_left.lua
@@ -12,3 +12,5 @@ local c = client.gen_fake {x = 45, y = 35, width=40, height=30} --DOC_HIDE
 placement.stretch_left(client.focus)
 
 assert(c.x == 0 and c.y == 35 and c.height == 30) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/stretch_right.lua b/tests/examples/awful/placement/stretch_right.lua
index 47dcce80..e8046d47 100644
--- a/tests/examples/awful/placement/stretch_right.lua
+++ b/tests/examples/awful/placement/stretch_right.lua
@@ -13,3 +13,5 @@ placement.stretch_right(client.focus)
 
 local right = screen[1].geometry.x + screen[1].geometry.width --DOC_HIDE
 assert(c.height == 30 and c.x == 45 and c.x+c.width+2*c.border_width == right) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/stretch_up.lua b/tests/examples/awful/placement/stretch_up.lua
index 6f8101c2..455909ae 100644
--- a/tests/examples/awful/placement/stretch_up.lua
+++ b/tests/examples/awful/placement/stretch_up.lua
@@ -15,3 +15,5 @@ assert(c.y==0) --DOC_HIDE
 assert(c.x==45) --DOC_HIDE
 assert(c.width == 40) --DOC_HIDE
 assert(c.height-2*c.border_width == 35+30) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/top.lua b/tests/examples/awful/placement/top.lua
index b3375fbc..30e8535d 100644
--- a/tests/examples/awful/placement/top.lua
+++ b/tests/examples/awful/placement/top.lua
@@ -15,3 +15,5 @@ assert(c.x == screen[1].geometry.width/2-40/2-c.border_width)
 assert(c.y==0) --DOC_HIDE
 assert( c.width==40) --DOC_HIDE
 assert(c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/top_left.lua b/tests/examples/awful/placement/top_left.lua
index f70b85f6..aa56268a 100644
--- a/tests/examples/awful/placement/top_left.lua
+++ b/tests/examples/awful/placement/top_left.lua
@@ -12,3 +12,5 @@ local c = client.gen_fake {x = 45, y = 35, width=40, height=30} --DOC_HIDE
 awful.placement.top_left(client.focus)
 
 assert(c.x == 0 and c.y==0 and c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/top_right.lua b/tests/examples/awful/placement/top_right.lua
index 2ef1634c..a8599a30 100644
--- a/tests/examples/awful/placement/top_right.lua
+++ b/tests/examples/awful/placement/top_right.lua
@@ -13,3 +13,5 @@ awful.placement.top_right(client.focus)
 
 assert(c.x == screen[1].geometry.width-40-2*c.border_width and c.y==0 --DOC_HIDE
        and c.width==40 and c.height==30)--DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/placement/under_mouse.lua b/tests/examples/awful/placement/under_mouse.lua
index adcb2b80..9b910f11 100644
--- a/tests/examples/awful/placement/under_mouse.lua
+++ b/tests/examples/awful/placement/under_mouse.lua
@@ -9,3 +9,5 @@ awful.placement.under_mouse(client.focus)
 
 assert(client.focus.x + client.focus.width /2 - mouse.coords().x <= 1) --DOC_HIDE
 assert(client.focus.y + client.focus.height/2 - mouse.coords().y <= 1) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/awful/template.lua b/tests/examples/awful/template.lua
index 5f810e2c..9e45fa48 100644
--- a/tests/examples/awful/template.lua
+++ b/tests/examples/awful/template.lua
@@ -136,3 +136,5 @@ for _, h in ipairs(mouse.old_histories) do
 end
 
 img:finish()
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/arc.lua b/tests/examples/gears/shape/arc.lua
index 088fb8d1..3aaddd64 100644
--- a/tests/examples/gears/shape/arc.lua
+++ b/tests/examples/gears/shape/arc.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.arc(cr,70,70, nil, 0, 2*math.pi)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/arrow.lua b/tests/examples/gears/shape/arrow.lua
index 981608da..3e1a2d24 100644
--- a/tests/examples/gears/shape/arrow.lua
+++ b/tests/examples/gears/shape/arrow.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.arrow) : rotate_at(35,35,math.pi/2)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/circle.lua b/tests/examples/gears/shape/circle.lua
index 0cb1b9fc..d01ae82a 100644
--- a/tests/examples/gears/shape/circle.lua
+++ b/tests/examples/gears/shape/circle.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.circle) : scale(0.5, 1)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/cross.lua b/tests/examples/gears/shape/cross.lua
index 08c692e6..1dc9024b 100644
--- a/tests/examples/gears/shape/cross.lua
+++ b/tests/examples/gears/shape/cross.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.cross) : scale(0.5, 1)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/hexagon.lua b/tests/examples/gears/shape/hexagon.lua
index d08beacb..8d5155eb 100644
--- a/tests/examples/gears/shape/hexagon.lua
+++ b/tests/examples/gears/shape/hexagon.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.hexagon) : rotate_at(35,35,math.pi/2)(cr,70,40)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/infobubble.lua b/tests/examples/gears/shape/infobubble.lua
index 5612eb64..ad3d30dd 100644
--- a/tests/examples/gears/shape/infobubble.lua
+++ b/tests/examples/gears/shape/infobubble.lua
@@ -10,3 +10,5 @@ show(cr) --DOC_HIDE
 shape.transform(shape.infobubble)
 : rotate_at(35,35,3*math.pi/2) (cr,70,70, nil, nil, 40)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/isosceles_triangle.lua b/tests/examples/gears/shape/isosceles_triangle.lua
index e20c5b8c..59fe7212 100644
--- a/tests/examples/gears/shape/isosceles_triangle.lua
+++ b/tests/examples/gears/shape/isosceles_triangle.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.isosceles_triangle) : rotate_at(35, 35, math.pi/2)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/losange.lua b/tests/examples/gears/shape/losange.lua
index 61b115c6..babf8a36 100644
--- a/tests/examples/gears/shape/losange.lua
+++ b/tests/examples/gears/shape/losange.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.losange) : scale(0.5, 1)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/octogon.lua b/tests/examples/gears/shape/octogon.lua
index 083cc7d8..fbf75b23 100644
--- a/tests/examples/gears/shape/octogon.lua
+++ b/tests/examples/gears/shape/octogon.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.octogon) : translate(0, 25) (cr,70,20)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/parallelogram.lua b/tests/examples/gears/shape/parallelogram.lua
index 1ba1c22f..81ce5372 100644
--- a/tests/examples/gears/shape/parallelogram.lua
+++ b/tests/examples/gears/shape/parallelogram.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.parallelogram) : scale(0.5, 1)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/partially_rounded_rect.lua b/tests/examples/gears/shape/partially_rounded_rect.lua
index 18734a2a..0cf7a61a 100644
--- a/tests/examples/gears/shape/partially_rounded_rect.lua
+++ b/tests/examples/gears/shape/partially_rounded_rect.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.partially_rounded_rect(cr, 70, 70, true, true, false, true, 30)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/pie.lua b/tests/examples/gears/shape/pie.lua
index 60bead34..638ed056 100644
--- a/tests/examples/gears/shape/pie.lua
+++ b/tests/examples/gears/shape/pie.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.pie(cr,70,70, 0, 2*math.pi, 10)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/powerline.lua b/tests/examples/gears/shape/powerline.lua
index dcaa9508..e43e5887 100644
--- a/tests/examples/gears/shape/powerline.lua
+++ b/tests/examples/gears/shape/powerline.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.powerline) : translate(0, 25) (cr,70,20, -20)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/radial_progress.lua b/tests/examples/gears/shape/radial_progress.lua
index 56ff74c2..ba6d8666 100644
--- a/tests/examples/gears/shape/radial_progress.lua
+++ b/tests/examples/gears/shape/radial_progress.lua
@@ -8,3 +8,5 @@ show(cr, true) --DOC_HIDE
 
 shape.radial_progress(cr, 70, 20, .9)
 show(cr, true) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/rectangle.lua b/tests/examples/gears/shape/rectangle.lua
index 92be78d2..a03255f8 100644
--- a/tests/examples/gears/shape/rectangle.lua
+++ b/tests/examples/gears/shape/rectangle.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.rectangle) : scale(0.5, 1)(cr,70,70)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/rectangular_tag.lua b/tests/examples/gears/shape/rectangular_tag.lua
index b1444ffd..cf7e45a4 100644
--- a/tests/examples/gears/shape/rectangular_tag.lua
+++ b/tests/examples/gears/shape/rectangular_tag.lua
@@ -11,3 +11,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.rectangular_tag) : translate(0, 30) (cr, 70, 10, -10)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/rounded_bar.lua b/tests/examples/gears/shape/rounded_bar.lua
index 6c874865..5f929963 100644
--- a/tests/examples/gears/shape/rounded_bar.lua
+++ b/tests/examples/gears/shape/rounded_bar.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.rounded_bar(cr, 70, 20)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/gears/shape/rounded_rect.lua b/tests/examples/gears/shape/rounded_rect.lua
index d8cfada8..642ce08f 100644
--- a/tests/examples/gears/shape/rounded_rect.lua
+++ b/tests/examples/gears/shape/rounded_rect.lua
@@ -8,3 +8,5 @@ show(cr) --DOC_HIDE
 
 shape.transform(shape.rounded_rect) : translate(0,25) (cr,70,20, 5)
 show(cr) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/shims/button.lua b/tests/examples/shims/button.lua
index be0e3ecd..fb5e995a 100644
--- a/tests/examples/shims/button.lua
+++ b/tests/examples/shims/button.lua
@@ -2,3 +2,5 @@ return function() return {
     data = {},
     connect_signal = function() end
 } end
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/shims/drawin.lua b/tests/examples/shims/drawin.lua
index e96ebd6d..ed06e2e6 100644
--- a/tests/examples/shims/drawin.lua
+++ b/tests/examples/shims/drawin.lua
@@ -21,4 +21,3 @@ return setmetatable(drawin, {
                 })
 
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
-
diff --git a/tests/examples/shims/screen.lua b/tests/examples/shims/screen.lua
index 1e487e37..fef1af19 100644
--- a/tests/examples/shims/screen.lua
+++ b/tests/examples/shims/screen.lua
@@ -99,4 +99,3 @@ screen._add_screen {width=320, height=240}
 return screen
 
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
-
diff --git a/tests/examples/shims/tag.lua b/tests/examples/shims/tag.lua
index cb1b1f4c..f445f485 100644
--- a/tests/examples/shims/tag.lua
+++ b/tests/examples/shims/tag.lua
@@ -34,4 +34,3 @@ return setmetatable(tag, {
                 })
 
 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
-
diff --git a/tests/examples/text/gears/object/properties.lua b/tests/examples/text/gears/object/properties.lua
index 97690967..3e8994a5 100644
--- a/tests/examples/text/gears/object/properties.lua
+++ b/tests/examples/text/gears/object/properties.lua
@@ -51,3 +51,5 @@ print(o.something)
 o.something = "a cow"
 
 print(o.something)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/text/gears/object/signal.lua b/tests/examples/text/gears/object/signal.lua
index 2a67b378..e21bdb31 100644
--- a/tests/examples/text/gears/object/signal.lua
+++ b/tests/examples/text/gears/object/signal.lua
@@ -22,3 +22,5 @@ o:disconnect_signal("my_signal", slot)
 
 -- This time, the `slot` wont be called as it is no longer connected.
 o:emit_signal "my_signal"
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/text/template.lua b/tests/examples/text/template.lua
index 948f3a14..4368a41c 100644
--- a/tests/examples/text/template.lua
+++ b/tests/examples/text/template.lua
@@ -3,3 +3,5 @@ require("_common_template")(...)
 
 -- Execute the test
 loadfile(file_path)()
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/bg.lua b/tests/examples/wibox/container/arcchart/bg.lua
index 686c394b..36d4c624 100644
--- a/tests/examples/wibox/container/arcchart/bg.lua
+++ b/tests/examples/wibox/container/arcchart/bg.lua
@@ -36,3 +36,5 @@ for _, v in ipairs {"", "#00ff00", "#0000ff"} do
 end
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/border_width.lua b/tests/examples/wibox/container/arcchart/border_width.lua
index c74a5119..10f2fd5b 100644
--- a/tests/examples/wibox/container/arcchart/border_width.lua
+++ b/tests/examples/wibox/container/arcchart/border_width.lua
@@ -46,3 +46,5 @@ for _, v in ipairs {0,1,3,6.5} do
 end
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/paddings.lua b/tests/examples/wibox/container/arcchart/paddings.lua
index f427797b..3c8bf419 100644
--- a/tests/examples/wibox/container/arcchart/paddings.lua
+++ b/tests/examples/wibox/container/arcchart/paddings.lua
@@ -77,3 +77,5 @@ l:add(wibox.widget {
   })
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/rounded_edge.lua b/tests/examples/wibox/container/arcchart/rounded_edge.lua
index fabeb0bc..86f01ab0 100644
--- a/tests/examples/wibox/container/arcchart/rounded_edge.lua
+++ b/tests/examples/wibox/container/arcchart/rounded_edge.lua
@@ -79,3 +79,5 @@ parent:add(wibox.widget {
        })
 
 return 500, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/start_angle.lua b/tests/examples/wibox/container/arcchart/start_angle.lua
index baa8612e..71fbfc3f 100644
--- a/tests/examples/wibox/container/arcchart/start_angle.lua
+++ b/tests/examples/wibox/container/arcchart/start_angle.lua
@@ -33,3 +33,5 @@ for _, v in ipairs {0, math.pi/2, math.pi} do
 end
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/thickness.lua b/tests/examples/wibox/container/arcchart/thickness.lua
index ab431de3..428096e5 100644
--- a/tests/examples/wibox/container/arcchart/thickness.lua
+++ b/tests/examples/wibox/container/arcchart/thickness.lua
@@ -37,3 +37,5 @@ for _, v in ipairs {1,3,7,10} do
 end
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/arcchart/value.lua b/tests/examples/wibox/container/arcchart/value.lua
index 04800797..ba5dfd42 100644
--- a/tests/examples/wibox/container/arcchart/value.lua
+++ b/tests/examples/wibox/container/arcchart/value.lua
@@ -26,3 +26,5 @@ for _, v in ipairs {0,1,7,99} do
 end
 
 return nil, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/background/bg.lua b/tests/examples/wibox/container/background/bg.lua
index 4bfef12a..83cc20d2 100644
--- a/tests/examples/wibox/container/background/bg.lua
+++ b/tests/examples/wibox/container/background/bg.lua
@@ -25,3 +25,5 @@ parent : setup {
     spacing = 10,
     layout  = wibox.layout.fixed.vertical
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/background/clip.lua b/tests/examples/wibox/container/background/clip.lua
index 8184f866..93fab52b 100644
--- a/tests/examples/wibox/container/background/clip.lua
+++ b/tests/examples/wibox/container/background/clip.lua
@@ -30,3 +30,5 @@ parent : setup {
     spacing = 10,
     layout  = wibox.layout.fixed.vertical
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/background/fg.lua b/tests/examples/wibox/container/background/fg.lua
index 30e958a4..15d58a49 100644
--- a/tests/examples/wibox/container/background/fg.lua
+++ b/tests/examples/wibox/container/background/fg.lua
@@ -25,3 +25,5 @@ parent : setup {
     spacing = 10,
     layout  = wibox.layout.fixed.vertical
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/background/shape.lua b/tests/examples/wibox/container/background/shape.lua
index 139bb1ca..e912f965 100644
--- a/tests/examples/wibox/container/background/shape.lua
+++ b/tests/examples/wibox/container/background/shape.lua
@@ -38,3 +38,5 @@ parent : setup {
     spacing = 10,
     layout  = wibox.layout.fixed.vertical
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/arcchart.lua b/tests/examples/wibox/container/defaults/arcchart.lua
index 284900a6..be3f6376 100644
--- a/tests/examples/wibox/container/defaults/arcchart.lua
+++ b/tests/examples/wibox/container/defaults/arcchart.lua
@@ -43,3 +43,5 @@ return {
     },
     layout = wibox.container.margin
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/background.lua b/tests/examples/wibox/container/defaults/background.lua
index 0ce04141..7296560b 100644
--- a/tests/examples/wibox/container/defaults/background.lua
+++ b/tests/examples/wibox/container/defaults/background.lua
@@ -22,3 +22,5 @@ return {
     bg                 = beautiful.bg_highlight,
     widget             = wibox.container.background
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/constraint.lua b/tests/examples/wibox/container/defaults/constraint.lua
index 1d4fcb88..91383e57 100644
--- a/tests/examples/wibox/container/defaults/constraint.lua
+++ b/tests/examples/wibox/container/defaults/constraint.lua
@@ -25,3 +25,5 @@ return {
     },
     layout = wibox.layout.fixed.vertical,
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/margin.lua b/tests/examples/wibox/container/defaults/margin.lua
index 49505b07..89cf5207 100644
--- a/tests/examples/wibox/container/defaults/margin.lua
+++ b/tests/examples/wibox/container/defaults/margin.lua
@@ -52,3 +52,5 @@ return {
     expand = "none",
     layout = wibox.layout.align.vertical,
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/mirror.lua b/tests/examples/wibox/container/defaults/mirror.lua
index e216c9b4..99cb78ac 100644
--- a/tests/examples/wibox/container/defaults/mirror.lua
+++ b/tests/examples/wibox/container/defaults/mirror.lua
@@ -17,3 +17,5 @@ return {
     reflection = {horizontal = true},
     widget     = wibox.container.mirror
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/radialprogressbar.lua b/tests/examples/wibox/container/defaults/radialprogressbar.lua
index 5ae4190e..602f0fac 100644
--- a/tests/examples/wibox/container/defaults/radialprogressbar.lua
+++ b/tests/examples/wibox/container/defaults/radialprogressbar.lua
@@ -23,3 +23,5 @@ return {
     margins = 5,
     layout = wibox.container.margin
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/rotate.lua b/tests/examples/wibox/container/defaults/rotate.lua
index 13cf1002..61fc370c 100644
--- a/tests/examples/wibox/container/defaults/rotate.lua
+++ b/tests/examples/wibox/container/defaults/rotate.lua
@@ -17,3 +17,5 @@ return {
     direction = "east",
     widget    = wibox.container.rotate
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/defaults/template.lua b/tests/examples/wibox/container/defaults/template.lua
index e1fe7842..6e7a4551 100644
--- a/tests/examples/wibox/container/defaults/template.lua
+++ b/tests/examples/wibox/container/defaults/template.lua
@@ -75,3 +75,4 @@ local f_w, f_h = container:fit({dpi=96}, 9999, 9999)
 local img = surface.widget_to_svg(container, image_path..".svg", f_w, f_h)
 img:finish()
 
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/radialprogressbar/border_color.lua b/tests/examples/wibox/container/radialprogressbar/border_color.lua
index 6885a706..93b6ca90 100644
--- a/tests/examples/wibox/container/radialprogressbar/border_color.lua
+++ b/tests/examples/wibox/container/radialprogressbar/border_color.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/radialprogressbar/border_width.lua b/tests/examples/wibox/container/radialprogressbar/border_width.lua
index b13bddf7..71222c77 100644
--- a/tests/examples/wibox/container/radialprogressbar/border_width.lua
+++ b/tests/examples/wibox/container/radialprogressbar/border_width.lua
@@ -27,3 +27,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/radialprogressbar/color.lua b/tests/examples/wibox/container/radialprogressbar/color.lua
index 7c097af5..f7738f5a 100644
--- a/tests/examples/wibox/container/radialprogressbar/color.lua
+++ b/tests/examples/wibox/container/radialprogressbar/color.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/radialprogressbar/padding.lua b/tests/examples/wibox/container/radialprogressbar/padding.lua
index 9e46370f..6af415e0 100644
--- a/tests/examples/wibox/container/radialprogressbar/padding.lua
+++ b/tests/examples/wibox/container/radialprogressbar/padding.lua
@@ -31,3 +31,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/radialprogressbar/value.lua b/tests/examples/wibox/container/radialprogressbar/value.lua
index a3e7c944..24c20aef 100644
--- a/tests/examples/wibox/container/radialprogressbar/value.lua
+++ b/tests/examples/wibox/container/radialprogressbar/value.lua
@@ -26,3 +26,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/container/rotate/angle.lua b/tests/examples/wibox/container/rotate/angle.lua
index 0e5db378..92807497 100644
--- a/tests/examples/wibox/container/rotate/angle.lua
+++ b/tests/examples/wibox/container/rotate/angle.lua
@@ -60,3 +60,5 @@ parent : setup {                            --DOC_HIDE
     spacing = 10,                           --DOC_HIDE
     layout  = wibox.layout.fixed.horizontal --DOC_HIDE
 }                                           --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/defaults/align.lua b/tests/examples/wibox/layout/defaults/align.lua
index 236b5cac..ee0e73ef 100644
--- a/tests/examples/wibox/layout/defaults/align.lua
+++ b/tests/examples/wibox/layout/defaults/align.lua
@@ -8,3 +8,5 @@ wibox.widget {
     generic_widget( "third"  ),
     layout  = wibox.layout.align.horizontal
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/defaults/fixed.lua b/tests/examples/wibox/layout/defaults/fixed.lua
index 0b6f1f82..28c1fc8f 100644
--- a/tests/examples/wibox/layout/defaults/fixed.lua
+++ b/tests/examples/wibox/layout/defaults/fixed.lua
@@ -8,3 +8,5 @@ wibox.widget {
     generic_widget( "third"  ),
     layout  = wibox.layout.fixed.horizontal
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/defaults/flex.lua b/tests/examples/wibox/layout/defaults/flex.lua
index 81d59cd5..14bbd4b4 100644
--- a/tests/examples/wibox/layout/defaults/flex.lua
+++ b/tests/examples/wibox/layout/defaults/flex.lua
@@ -8,3 +8,5 @@ wibox.widget {
     generic_widget( "third"  ),
     layout  = wibox.layout.flex.horizontal
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/defaults/ratio.lua b/tests/examples/wibox/layout/defaults/ratio.lua
index 397d7490..46674700 100644
--- a/tests/examples/wibox/layout/defaults/ratio.lua
+++ b/tests/examples/wibox/layout/defaults/ratio.lua
@@ -11,3 +11,5 @@ local w = wibox.widget {
 w:ajust_ratio(2, 0.44, 0.33, 0.22)
 
 return w --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/defaults/stack.lua b/tests/examples/wibox/layout/defaults/stack.lua
index 82887482..5ccca04f 100644
--- a/tests/examples/wibox/layout/defaults/stack.lua
+++ b/tests/examples/wibox/layout/defaults/stack.lua
@@ -8,3 +8,5 @@ wibox.widget {
     generic_widget( "third"  ),
     layout  = wibox.layout.stack
 }
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/layout/template.lua b/tests/examples/wibox/layout/template.lua
index bc162e77..f399049c 100644
--- a/tests/examples/wibox/layout/template.lua
+++ b/tests/examples/wibox/layout/template.lua
@@ -101,3 +101,5 @@ end
 -- Save to the output file
 local img = surface["widget_to_svg"](widget, image_path..".svg", w or 200, h or 30)
 img:finish()
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/logo/logo.lua b/tests/examples/wibox/logo/logo.lua
index 2a0688cc..e9bf991a 100644
--- a/tests/examples/wibox/logo/logo.lua
+++ b/tests/examples/wibox/logo/logo.lua
@@ -13,3 +13,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/logo/logo_and_name.lua b/tests/examples/wibox/logo/logo_and_name.lua
index fe1eb674..2c2b1345 100644
--- a/tests/examples/wibox/logo/logo_and_name.lua
+++ b/tests/examples/wibox/logo/logo_and_name.lua
@@ -15,3 +15,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/template.lua b/tests/examples/wibox/template.lua
index 92402c1e..656d22e5 100644
--- a/tests/examples/wibox/template.lua
+++ b/tests/examples/wibox/template.lua
@@ -27,3 +27,4 @@ f_w, f_h = f_w+10, f_h+10
 local img = surface["widget_to_"..image_type](container, image_path.."."..image_type, w or f_w, h or f_h)
 img:finish()
 
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/checkbox/bg.lua b/tests/examples/wibox/widget/checkbox/bg.lua
index 8410223d..151b525d 100644
--- a/tests/examples/wibox/widget/checkbox/bg.lua
+++ b/tests/examples/wibox/widget/checkbox/bg.lua
@@ -18,3 +18,5 @@ parent:add( --DOC_HIDE
                widget             = wibox.widget.checkbox
            }
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/checkbox/check_shape.lua b/tests/examples/wibox/widget/checkbox/check_shape.lua
index a0be1267..11fe7df4 100644
--- a/tests/examples/wibox/widget/checkbox/check_shape.lua
+++ b/tests/examples/wibox/widget/checkbox/check_shape.lua
@@ -25,3 +25,5 @@ for _, s in ipairs {"rectangle", "circle", "losange", "octogon"} do
 end
 
 parent:add(l) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/checkbox/custom.lua b/tests/examples/wibox/widget/checkbox/custom.lua
index 4f0531af..e8ce550e 100644
--- a/tests/examples/wibox/widget/checkbox/custom.lua
+++ b/tests/examples/wibox/widget/checkbox/custom.lua
@@ -31,3 +31,5 @@ parent:add( --DOC_HIDE
                widget             = wibox.widget.checkbox
            }
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/checkbox/shape.lua b/tests/examples/wibox/widget/checkbox/shape.lua
index 09654988..c13ebf13 100644
--- a/tests/examples/wibox/widget/checkbox/shape.lua
+++ b/tests/examples/wibox/widget/checkbox/shape.lua
@@ -25,3 +25,5 @@ for _, s in ipairs {"rectangle", "circle", "losange", "octogon"} do
 end
 
 parent:add(l) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/checkbox.lua b/tests/examples/wibox/widget/defaults/checkbox.lua
index c18e641b..440f6fbf 100644
--- a/tests/examples/wibox/widget/defaults/checkbox.lua
+++ b/tests/examples/wibox/widget/defaults/checkbox.lua
@@ -29,3 +29,5 @@ parent:add( --DOC_HIDE
            } --DOC_HIDE
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/graph.lua b/tests/examples/wibox/widget/defaults/graph.lua
index 6ccd93b5..0a205705 100644
--- a/tests/examples/wibox/widget/defaults/graph.lua
+++ b/tests/examples/wibox/widget/defaults/graph.lua
@@ -20,3 +20,5 @@ parent:add( w ) --DOC_HIDE
 for _, v in ipairs(data) do --DOC_HIDE
     w:add_value(v) --DOC_HIDE
 end --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/imagebox.lua b/tests/examples/wibox/widget/defaults/imagebox.lua
index 13d5ef04..8e433fdc 100644
--- a/tests/examples/wibox/widget/defaults/imagebox.lua
+++ b/tests/examples/wibox/widget/defaults/imagebox.lua
@@ -11,3 +11,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/piechart.lua b/tests/examples/wibox/widget/defaults/piechart.lua
index 293b1ded..0101e828 100644
--- a/tests/examples/wibox/widget/defaults/piechart.lua
+++ b/tests/examples/wibox/widget/defaults/piechart.lua
@@ -22,3 +22,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/progressbar.lua b/tests/examples/wibox/widget/defaults/progressbar.lua
index 0f90b62c..6f3915e2 100644
--- a/tests/examples/wibox/widget/defaults/progressbar.lua
+++ b/tests/examples/wibox/widget/defaults/progressbar.lua
@@ -17,3 +17,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/slider.lua b/tests/examples/wibox/widget/defaults/slider.lua
index 2dfc1e08..519f288f 100644
--- a/tests/examples/wibox/widget/defaults/slider.lua
+++ b/tests/examples/wibox/widget/defaults/slider.lua
@@ -20,3 +20,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/defaults/textbox.lua b/tests/examples/wibox/widget/defaults/textbox.lua
index 3997a99f..ddf7c679 100644
--- a/tests/examples/wibox/widget/defaults/textbox.lua
+++ b/tests/examples/wibox/widget/defaults/textbox.lua
@@ -11,3 +11,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/graph/step.lua b/tests/examples/wibox/widget/graph/step.lua
index 9b5d0210..bc3603e9 100644
--- a/tests/examples/wibox/widget/graph/step.lua
+++ b/tests/examples/wibox/widget/graph/step.lua
@@ -26,3 +26,5 @@ parent:add( w ) --DOC_HIDE
 for _, v in ipairs(data) do --DOC_HIDE
     w:add_value(v) --DOC_HIDE
 end --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/piechart/border_color.lua b/tests/examples/wibox/widget/piechart/border_color.lua
index 43b1b10b..4bbbf9e9 100644
--- a/tests/examples/wibox/widget/piechart/border_color.lua
+++ b/tests/examples/wibox/widget/piechart/border_color.lua
@@ -25,3 +25,5 @@ for _, v in ipairs {"#ff0000", "#00ff00", "#0000ff"} do
           widget = wibox.widget.piechart
       })
 end
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/piechart/border_width.lua b/tests/examples/wibox/widget/piechart/border_width.lua
index a8c4430b..40cb8dee 100644
--- a/tests/examples/wibox/widget/piechart/border_width.lua
+++ b/tests/examples/wibox/widget/piechart/border_width.lua
@@ -24,3 +24,5 @@ for _, v in ipairs {0,1,3,5} do
           widget = wibox.widget.piechart
       })
 end
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/piechart/label.lua b/tests/examples/wibox/widget/piechart/label.lua
index b9852807..a994281b 100644
--- a/tests/examples/wibox/widget/piechart/label.lua
+++ b/tests/examples/wibox/widget/piechart/label.lua
@@ -66,3 +66,5 @@ parent:add(wibox.widget {
        })
 
 return 500, 60
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/progressbar/bar_shape.lua b/tests/examples/wibox/widget/progressbar/bar_shape.lua
index 47d5717c..4d5d9e93 100644
--- a/tests/examples/wibox/widget/progressbar/bar_shape.lua
+++ b/tests/examples/wibox/widget/progressbar/bar_shape.lua
@@ -25,3 +25,5 @@ for _, shape in ipairs {"rounded_bar", "octogon", "hexagon", "powerline" } do
 end
 
 parent:add(l) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/progressbar/clip.lua b/tests/examples/wibox/widget/progressbar/clip.lua
index 695d87f9..44dea3cc 100644
--- a/tests/examples/wibox/widget/progressbar/clip.lua
+++ b/tests/examples/wibox/widget/progressbar/clip.lua
@@ -25,3 +25,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/progressbar/shape.lua b/tests/examples/wibox/widget/progressbar/shape.lua
index d53c950a..bcaec4d0 100644
--- a/tests/examples/wibox/widget/progressbar/shape.lua
+++ b/tests/examples/wibox/widget/progressbar/shape.lua
@@ -22,3 +22,5 @@ for _, shape in ipairs {"rounded_bar", "octogon", "hexagon", "powerline" } do
 end
 
 parent:add(l) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/progressbar/text.lua b/tests/examples/wibox/widget/progressbar/text.lua
index d854a4b1..f4ac6a58 100644
--- a/tests/examples/wibox/widget/progressbar/text.lua
+++ b/tests/examples/wibox/widget/progressbar/text.lua
@@ -23,3 +23,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/progressbar/vertical.lua b/tests/examples/wibox/widget/progressbar/vertical.lua
index ae184419..d0bc3751 100644
--- a/tests/examples/wibox/widget/progressbar/vertical.lua
+++ b/tests/examples/wibox/widget/progressbar/vertical.lua
@@ -16,3 +16,5 @@ parent:add( --DOC_HIDE
            }
 
            ) --DOC_HIDE
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/bar_border.lua b/tests/examples/wibox/widget/slider/bar_border.lua
index f7f0d7b8..4d201aac 100644
--- a/tests/examples/wibox/widget/slider/bar_border.lua
+++ b/tests/examples/wibox/widget/slider/bar_border.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/bar_color.lua b/tests/examples/wibox/widget/slider/bar_color.lua
index 5401e94a..de385980 100644
--- a/tests/examples/wibox/widget/slider/bar_color.lua
+++ b/tests/examples/wibox/widget/slider/bar_color.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/bar_height.lua b/tests/examples/wibox/widget/slider/bar_height.lua
index 2d94f064..58fad90a 100644
--- a/tests/examples/wibox/widget/slider/bar_height.lua
+++ b/tests/examples/wibox/widget/slider/bar_height.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/bar_margins.lua b/tests/examples/wibox/widget/slider/bar_margins.lua
index d03f6910..9b4f4ceb 100644
--- a/tests/examples/wibox/widget/slider/bar_margins.lua
+++ b/tests/examples/wibox/widget/slider/bar_margins.lua
@@ -29,3 +29,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/bar_shape.lua b/tests/examples/wibox/widget/slider/bar_shape.lua
index d33dac7f..f285e425 100644
--- a/tests/examples/wibox/widget/slider/bar_shape.lua
+++ b/tests/examples/wibox/widget/slider/bar_shape.lua
@@ -26,3 +26,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/handle_border.lua b/tests/examples/wibox/widget/slider/handle_border.lua
index 2e4bf039..4f20c326 100644
--- a/tests/examples/wibox/widget/slider/handle_border.lua
+++ b/tests/examples/wibox/widget/slider/handle_border.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/handle_color.lua b/tests/examples/wibox/widget/slider/handle_color.lua
index 4af7fe2b..ab9a88fb 100644
--- a/tests/examples/wibox/widget/slider/handle_color.lua
+++ b/tests/examples/wibox/widget/slider/handle_color.lua
@@ -24,3 +24,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/handle_margins.lua b/tests/examples/wibox/widget/slider/handle_margins.lua
index 69be2289..7e4e2762 100644
--- a/tests/examples/wibox/widget/slider/handle_margins.lua
+++ b/tests/examples/wibox/widget/slider/handle_margins.lua
@@ -29,3 +29,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/handle_shape.lua b/tests/examples/wibox/widget/slider/handle_shape.lua
index 18ba7acd..7a21342b 100644
--- a/tests/examples/wibox/widget/slider/handle_shape.lua
+++ b/tests/examples/wibox/widget/slider/handle_shape.lua
@@ -26,3 +26,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/handle_width.lua b/tests/examples/wibox/widget/slider/handle_width.lua
index ae61daa1..a74e8db5 100644
--- a/tests/examples/wibox/widget/slider/handle_width.lua
+++ b/tests/examples/wibox/widget/slider/handle_width.lua
@@ -25,3 +25,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/examples/wibox/widget/slider/value.lua b/tests/examples/wibox/widget/slider/value.lua
index cce0b729..801218d5 100644
--- a/tests/examples/wibox/widget/slider/value.lua
+++ b/tests/examples/wibox/widget/slider/value.lua
@@ -25,3 +25,5 @@ local l = wibox.layout {
 }
 
 parent:add(l)
+
+--DOC_HIDE vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awesomerc.lua b/tests/test-awesomerc.lua
index 9e88f955..fe2b294e 100644
--- a/tests/test-awesomerc.lua
+++ b/tests/test-awesomerc.lua
@@ -226,3 +226,5 @@ local steps = {
 }
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-client.lua b/tests/test-awful-client.lua
index 86ba0433..5bacf765 100644
--- a/tests/test-awful-client.lua
+++ b/tests/test-awful-client.lua
@@ -309,3 +309,5 @@ end)
 require("_multi_screen")(steps, multi_screen_steps)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-layout.lua b/tests/test-awful-layout.lua
index 56713f11..1d2509d4 100644
--- a/tests/test-awful-layout.lua
+++ b/tests/test-awful-layout.lua
@@ -120,3 +120,5 @@ for _ in ipairs(awful.layout.layouts) do
 end
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-rules.lua b/tests/test-awful-rules.lua
index dd136d16..6391dc6e 100644
--- a/tests/test-awful-rules.lua
+++ b/tests/test-awful-rules.lua
@@ -296,3 +296,5 @@ local function spawn_clients()
 end
 
 require("_runner").run_steps{spawn_clients, unpack(tests)}
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-tag.lua b/tests/test-awful-tag.lua
index e6601ab4..727359d0 100644
--- a/tests/test-awful-tag.lua
+++ b/tests/test-awful-tag.lua
@@ -242,3 +242,5 @@ end)
 require("_multi_screen")(steps, multi_screen_steps)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-miss-handlers.lua b/tests/test-miss-handlers.lua
index 8a894818..c6b2baff 100644
--- a/tests/test-miss-handlers.lua
+++ b/tests/test-miss-handlers.lua
@@ -69,3 +69,5 @@ assert(w2.main_background.main_textbox)
 assert(w2.main_background == w2:get_children_by_id("main_background")[1])
 
 require("_runner").run_steps({ function() return true end })
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-resize.lua b/tests/test-resize.lua
index 7753570a..298323ef 100644
--- a/tests/test-resize.lua
+++ b/tests/test-resize.lua
@@ -440,3 +440,5 @@ table.insert(steps, function()
 end)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-struts.lua b/tests/test-struts.lua
index 0fcbf45e..bed5ceb5 100644
--- a/tests/test-struts.lua
+++ b/tests/test-struts.lua
@@ -391,5 +391,6 @@ table.insert(steps, function()
     return true
 end)
 
-
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80