diff --git a/README.md b/README.md
index 0bcd73f..26b1bed 100644
--- a/README.md
+++ b/README.md
@@ -41,19 +41,19 @@ fit my idea of quality.
 
 I use [Jekyll](http://jekyllrb.com/) 2.5.3
 
-	# For Linux based:
+    # For Linux based:
 
-	$ sudo apt-get install ruby-dev
-	$ gem install jekyll
-	$ gem install jekyll-sitemap
+    $ sudo apt-get install ruby-dev
+    $ gem install jekyll
+    $ gem install jekyll-sitemap
 
-	# You may need to use sudo on the above commands
+    # You may need to use sudo on the above commands
 
 ### Building as a website
 
 You can build it as a website using [Jekyll](http://jekyllrb.com/)
 
-	$ jekyll build
+    $ jekyll build
 
 Goes to _site/
 
@@ -62,7 +62,7 @@ Goes to _site/
 You can start a webserver on localhost which will automatically
 rebuild pages when you modify their markdown source.
 
-	$ jekyll serve
+    $ jekyll serve
 
 
 This serves at <http://localhost:4000> on my computer, but the port
@@ -89,107 +89,107 @@ Replace spaces with underscores ( _ )
 
 {% raw %}
 
-	---
-	title: Player Physics
-	layout: default
-	root: ../
-	---
+    ---
+    title: Player Physics
+    layout: default
+    root: ../
+    ---
 
-	Introduction
-	------------
+    Introduction
+    ------------
 
-	Write an paragraph or so explaining what will be covered in this chapter.
-	Explain why/how these concepts are useful in modding
+    Write an paragraph or so explaining what will be covered in this chapter.
+    Explain why/how these concepts are useful in modding
 
-	* List the
-	* Parts in
-	* This chapter
+    * List the
+    * Parts in
+    * This chapter
 
-	Section
-	-------
+    Section
+    -------
 
-	Explaining the concept of something.
+    Explaining the concept of something.
 
-	You can link to other chapters like this: [chapter title]({{ relative }}/chaptertitle/).//
-	Do it like Wikipedia, link words in a sentence but avoid explicitly telling the user to view it//
-	or click the link.
+    You can link to other chapters like this: [chapter title]({{ relative }}/chaptertitle/).//
+    Do it like Wikipedia, link words in a sentence but avoid explicitly telling the user to view it//
+    or click the link.
 
-		Mod Name
-		-	init.lua - the main scripting code file, which is run when the game loads.
-		-	(optional) depends.txt - a list of mod names that needs to be loaded before this mod.
-		-	(optional) textures/ - place images here, commonly in the format modname_itemname.png
-		-	(optional) sounds/ - place sounds in here
-		-	(optional) models/ - place 3d models in here
-		...and any other lua files to be included by init.lua
+        Mod Name
+        -    init.lua - the main scripting code file, which is run when the game loads.
+        -    (optional) depends.txt - a list of mod names that needs to be loaded before this mod.
+        -    (optional) textures/ - place images here, commonly in the format modname_itemname.png
+        -    (optional) sounds/ - place sounds in here
+        -    (optional) models/ - place 3d models in here
+        ...and any other lua files to be included by init.lua
 
-	Code snippets are tabbed one level in, except for lua snippets, which use a code highligter.
+    Code snippets are tabbed one level in, except for lua snippets, which use a code highligter.
 
-	Section 2
-	---------
+    Section 2
+    ---------
 
-	Explaining another concept
+    Explaining another concept
 
-	{% highlight lua %}
-	print("This file will be run at load time!")
+    {% highlight lua %}
+    print("This file will be run at load time!")
 
-	minetest.register_node("mymod:node",{
-		description = "This is a node",
-		tiles = {
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png"
-		},
-		groups = {cracky = 1}
-	})
-	{% endhighlight %}
+    minetest.register_node("mymod:node",{
+        description = "This is a node",
+        tiles = {
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png"
+        },
+        groups = {cracky = 1}
+    })
+    {% endhighlight %}
 
-	Use the highlight tags to highlight Lua code.
+    Use the highlight tags to highlight Lua code.
 
-	Section 3
-	---------
+    Section 3
+    ---------
 
-	You should include plenty of examples. Each example should
-	be able to be installed in a mod and used. Don't do the thing where
-	you make the reading create the mod line-by-line, it is rather annoying
-	and good code can explain itself. Explaining line-by-line is needed in earlier chapters,
-	and when introducing new concepts.
+    You should include plenty of examples. Each example should
+    be able to be installed in a mod and used. Don't do the thing where
+    you make the reading create the mod line-by-line, it is rather annoying
+    and good code can explain itself. Explaining line-by-line is needed in earlier chapters,
+    and when introducing new concepts.
 
-	### Mod Folder
-		mymod/
-		-	init.lua
-		-	depends.txt
+    ### Mod Folder
+        mymod/
+        -    init.lua
+        -    depends.txt
 
 
-		default
+        default
 
-	{% highlight lua %}
-	print("This file will be run at load time!")
+    {% highlight lua %}
+    print("This file will be run at load time!")
 
-	minetest.register_node("mymod:node",{
-		description = "This is a node",
-		tiles = {
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png",
-			"mymod_node.png"
-		},
-		groups = {cracky = 1}
-	})
-	{% endhighlight %}
+    minetest.register_node("mymod:node",{
+        description = "This is a node",
+        tiles = {
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png",
+            "mymod_node.png"
+        },
+        groups = {cracky = 1}
+    })
+    {% endhighlight %}
 
-	Explain the code here, but there is no need to explain every single line.
-	Use comments and indentation well.
+    Explain the code here, but there is no need to explain every single line.
+    Use comments and indentation well.
 
-	Your Turn
-	---------
+    Your Turn
+    ---------
 
-	* **Set Tasks:** Make tasks for the reader to do.
-	* **Start easy, get hard:** Start with easier ones, and work up to harder ones.
+    * **Set Tasks:** Make tasks for the reader to do.
+    * **Start easy, get hard:** Start with easier ones, and work up to harder ones.
 
 {% endraw %}
 
diff --git a/en/chapters/abms.md b/en/chapters/abms.md
index 369d268..75f52b0 100644
--- a/en/chapters/abms.md
+++ b/en/chapters/abms.md
@@ -23,21 +23,21 @@ blocks.
 
 {% highlight lua %}
 minetest.register_node("aliens:grass", {
-	description = "Alien Grass",
-	light_source = 3, -- The node radiates light. Values can be from 1 to 15
-	tiles = {"aliens_grass.png"},
-	groups = {choppy=1},
-	on_use = minetest.item_eat(20)
+    description = "Alien Grass",
+    light_source = 3, -- The node radiates light. Values can be from 1 to 15
+    tiles = {"aliens_grass.png"},
+    groups = {choppy=1},
+    on_use = minetest.item_eat(20)
 })
 
 minetest.register_abm({
-	nodenames = {"default:dirt_with_grass"},
-	neighbors = {"default:water_source", "default:water_flowing"},
-	interval = 10.0, -- Run every 10 seconds
-	chance = 50, -- Select every 1 in 50 nodes
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		minetest.set_node({x = pos.x, y = pos.y + 1, z = pos.z}, {name = "aliens:grass"})
-	end
+    nodenames = {"default:dirt_with_grass"},
+    neighbors = {"default:water_source", "default:water_flowing"},
+    interval = 10.0, -- Run every 10 seconds
+    chance = 50, -- Select every 1 in 50 nodes
+    action = function(pos, node, active_object_count, active_object_count_wider)
+        minetest.set_node({x = pos.x, y = pos.y + 1, z = pos.z}, {name = "aliens:grass"})
+    end
 })
 {% endhighlight %}
 
diff --git a/en/chapters/chat.md b/en/chapters/chat.md
index 88b3e5f..5d22cef 100644
--- a/en/chapters/chat.md
+++ b/en/chapters/chat.md
@@ -26,9 +26,9 @@ minetest.chat_send_all("This is a chat message to all players")
 Here is an example of how it would appear ingame (there are other messages
 around it).
 
-	<player1> Look at this entrance
-	This is a chat message to all players
-	<player2> What about it?
+    <player1> Look at this entrance
+    This is a chat message to all players
+    <player2> What about it?
 
 ## Send a message to a certain player
 
@@ -59,12 +59,12 @@ In order to register a chat command, such as /foo, use register_chatcommand:
 
 {% highlight lua %}
 minetest.register_chatcommand("foo", {
-	privs = {
-		interact = true
-	},
-	func = function(name, param)
-		return true, "You said " .. param .. "!"
-	end
+    privs = {
+        interact = true
+    },
+    func = function(name, param)
+        return true, "You said " .. param .. "!"
+    end
 })
 {% endhighlight %}
 
@@ -74,7 +74,7 @@ Let's do a break down:
 
 {% highlight lua %}
 privs = {
-	interact = true
+    interact = true
 },
 {% endhighlight %}
 
@@ -116,8 +116,8 @@ You can use register_on_chat_message, like so:
 
 {% highlight lua %}
 minetest.register_on_chat_message(function(name, message)
-	print(name .. " said " .. message)
-	return false
+    print(name .. " said " .. message)
+    return false
 end)
 {% endhighlight %}
 
@@ -130,12 +130,12 @@ player messages, you need to do this:
 
 {% highlight lua %}
 minetest.register_on_chat_message(function(name, message)
-	if message:sub(1, 1) == "/" then
-		print(name .. " ran chat command")
-		return false
-	end
+    if message:sub(1, 1) == "/" then
+        print(name .. " ran chat command")
+        return false
+    end
 
-	print(name .. " said " .. message)
-	return false
+    print(name .. " said " .. message)
+    return false
 end)
 {% endhighlight %}
diff --git a/en/chapters/chat_complex.md b/en/chapters/chat_complex.md
index bb9235d..064abcc 100644
--- a/en/chapters/chat_complex.md
+++ b/en/chapters/chat_complex.md
@@ -28,21 +28,21 @@ Because of this, I created a library to do this for you.
 
 {% highlight lua %}
 ChatCmdBuilder.new("sethp", function(cmd)
-	cmd:sub(":target :hp:int", function(name, target, hp)
-		local player = minetest.get_player_by_name(target)		
-		if player then
-			player:set_hp(hp)
-			return true, "Killed " .. target
-		else
-			return false, "Unable to find " .. target
-		end
-	end)
+    cmd:sub(":target :hp:int", function(name, target, hp)
+        local player = minetest.get_player_by_name(target)        
+        if player then
+            player:set_hp(hp)
+            return true, "Killed " .. target
+        else
+            return false, "Unable to find " .. target
+        end
+    end)
 end, {
-	description = "Set hp of player",
-	privs = {
-		kick = true
-		-- ^ probably better to register a custom priv
-	}
+    description = "Set hp of player",
+    privs = {
+        kick = true
+        -- ^ probably better to register a custom priv
+    }
 })
 {% endhighlight %}
 
@@ -94,7 +94,7 @@ function in order.
 
 {% highlight lua %}
 cmd:sub(":target :hp:int", function(name, target, hp)
-	-- subcommand function
+    -- subcommand function
 end)
 {% endhighlight %}
 
@@ -118,55 +118,55 @@ Here is an example that creates a chat command that allows us to do this:
 {% highlight lua %}
 local admin_log
 local function load()
-	admin_log = {}
+    admin_log = {}
 end
 local function save()
-	-- todo
+    -- todo
 end
 load()
 
 ChatCmdBuilder.new("admin", function(cmd)
-	cmd:sub("kill :name", function(name, target)
-		local player = minetest.get_player_by_name(target)
-		if player then
-			player:set_hp(0)
-			return true, "Killed " .. target
-		else
-			return false, "Unable to find " .. target
-		end
-	end)
+    cmd:sub("kill :name", function(name, target)
+        local player = minetest.get_player_by_name(target)
+        if player then
+            player:set_hp(0)
+            return true, "Killed " .. target
+        else
+            return false, "Unable to find " .. target
+        end
+    end)
 
-	cmd:sub("move :name to :pos:pos", function(name, target, pos)
-		local player = minetest.get_player_by_name(target)
-		if player then
-			player:setpos(pos)
-			return true, "Moved " .. target .. " to " .. minetest.pos_to_string(pos)
-		else
-			return false, "Unable to find " .. target
-		end
-	end)
+    cmd:sub("move :name to :pos:pos", function(name, target, pos)
+        local player = minetest.get_player_by_name(target)
+        if player then
+            player:setpos(pos)
+            return true, "Moved " .. target .. " to " .. minetest.pos_to_string(pos)
+        else
+            return false, "Unable to find " .. target
+        end
+    end)
 
-	cmd:sub("log :username", function(name, target)
-		local log = admin_log[target]
-		if log then
-			return true, table.concat(log, "\n")
-		else
-			return false, "No entries for " .. target
-		end
-	end)
+    cmd:sub("log :username", function(name, target)
+        local log = admin_log[target]
+        if log then
+            return true, table.concat(log, "\n")
+        else
+            return false, "No entries for " .. target
+        end
+    end)
 
-	cmd:sub("log :username :message", function(name, target, message)
-		local log = admin_log[target] or {}
-		table.insert(log, message)
-		admin_log[target] = log
-		save()
-		return true, "Logged"
-	end)
+    cmd:sub("log :username :message", function(name, target, message)
+        local log = admin_log[target] or {}
+        table.insert(log, message)
+        admin_log[target] = log
+        save()
+        return true, "Logged"
+    end)
 end, {
-	description = "Admin tools",
-	privs = {
-		kick = true,
-		ban = true
-	}
+    description = "Admin tools",
+    privs = {
+        kick = true,
+        ban = true
+    }
 })
 {% endhighlight %}
diff --git a/en/chapters/creating_textures.md b/en/chapters/creating_textures.md
index f9fd2eb..30da588 100644
--- a/en/chapters/creating_textures.md
+++ b/en/chapters/creating_textures.md
@@ -31,19 +31,19 @@ learning curve as lots of its features are hidden away.
 ### Use the pencil tool to edit individual pixels
 
 <figure>
-	<img src="{{ page.root }}/static/pixel_art_gimp_pencil.png" alt="Pencil in GIMP">
-	<figcaption>
-		Pencil in GIMP
-	</figcaption>
+    <img src="{{ page.root }}/static/pixel_art_gimp_pencil.png" alt="Pencil in GIMP">
+    <figcaption>
+        Pencil in GIMP
+    </figcaption>
 </figure>
 
 ### Set the rubber to hard edge
 
 <figure>
-	<img src="{{ page.root }}/static/pixel_art_gimp_rubber.png" alt="Rubber in GIMP">
-	<figcaption>
-		Rubber in GIMP
-	</figcaption>
+    <img src="{{ page.root }}/static/pixel_art_gimp_rubber.png" alt="Rubber in GIMP">
+    <figcaption>
+        Rubber in GIMP
+    </figcaption>
 </figure>
 
 ## Common Mistakes
diff --git a/en/chapters/folders.md b/en/chapters/folders.md
index 0f3dd4e..0bdc99a 100644
--- a/en/chapters/folders.md
+++ b/en/chapters/folders.md
@@ -27,13 +27,13 @@ Mod names can be made up of letters, numbers, or underscores. The folder a mod i
 in needs to be called the same as the mod name.
 
 ### Mod Folder Structure
-	Mod name (eg: "mymod")
-	-	init.lua - the main scripting code file, which is run when the game loads.
-	-	(optional) depends.txt - a list of mod names that needs to be loaded before this mod.
-	-	(optional) textures/ - place images here, commonly in the format modname_itemname.png
-	-	(optional) sounds/ - place sounds in here
-	-	(optional) models/ - place 3d models in here
-	...and any other lua files to be included by init.lua
+    Mod name (eg: "mymod")
+    -    init.lua - the main scripting code file, which is run when the game loads.
+    -    (optional) depends.txt - a list of mod names that needs to be loaded before this mod.
+    -    (optional) textures/ - place images here, commonly in the format modname_itemname.png
+    -    (optional) sounds/ - place sounds in here
+    -    (optional) models/ - place 3d models in here
+    ...and any other lua files to be included by init.lua
 
 Only the init.lua file is required in a mod for it to run on game load; however,
 the other items are needed by some mods to perform their functionality.
@@ -45,9 +45,9 @@ needs to be loaded before this mod.
 
 **depends.txt**
 
-	modone
-	modtwo
-	modthree?
+    modone
+    modtwo
+    modthree?
 
 As you can see, each modname is on its own line.
 
@@ -64,43 +64,43 @@ They are useful if you want to supply multiple mods to a player but don't
 want to make them download each one individually.
 
 ### Mod Pack Folder Structure
-	modpackfolder/
-	-	modone/
-	-	modtwo/
-	-	modthree/
-	-	modfour/
-	-	modpack.txt – signals that this is a mod pack, content does not matter
+    modpackfolder/
+    -    modone/
+    -    modtwo/
+    -    modthree/
+    -    modfour/
+    -    modpack.txt – signals that this is a mod pack, content does not matter
 
 ## Example Time
 
 Are you confused? Don't worry, here is an example putting all of this together.
 
 ### Mod Folder
-	mymod/
-	-	textures/
-	-	-	mymod_node.png
-	-	init.lua
-	-	depends.txt
+    mymod/
+    -    textures/
+    -    -    mymod_node.png
+    -    init.lua
+    -    depends.txt
 
 
 ### depends.txt
-	default
+    default
 
 ### init.lua
 {% highlight lua %}
 print("This file will be run at load time!")
 
 minetest.register_node("mymod:node", {
-	description = "This is a node",
-	tiles = {
-		"mymod_node.png",
-		"mymod_node.png",
-		"mymod_node.png",
-		"mymod_node.png",
-		"mymod_node.png",
-		"mymod_node.png"
-	},
-	groups = {cracky = 1}
+    description = "This is a node",
+    tiles = {
+        "mymod_node.png",
+        "mymod_node.png",
+        "mymod_node.png",
+        "mymod_node.png",
+        "mymod_node.png",
+        "mymod_node.png"
+    },
+    groups = {cracky = 1}
 })
 {% endhighlight %}
 
diff --git a/en/chapters/formspecs.md b/en/chapters/formspecs.md
index e3a4944..3041852 100644
--- a/en/chapters/formspecs.md
+++ b/en/chapters/formspecs.md
@@ -7,10 +7,10 @@ root: ../../
 ## Introduction
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/formspec_example.png" alt="Furnace Inventory">
-	<figcaption>
-		Screenshot of furnace formspec, labelled.
-	</figcaption>
+    <img src="{{ page.root }}/static/formspec_example.png" alt="Furnace Inventory">
+    <figcaption>
+        Screenshot of furnace formspec, labelled.
+    </figcaption>
 </figure>
 
 In this chapter we will learn how to create a formspec and display it to the user.
@@ -32,7 +32,7 @@ tend to disrupt game play.
 Formspecs have a rather weird syntax.
 They consist of a series of tags which are in the following form:
 
-	element_type[param1;param2;...]
+    element_type[param1;param2;...]
 
 Firstly the element type is declared, and then the attributes are given
 in square brackets.
@@ -42,7 +42,7 @@ as size or background).
 
 Here are two elements, of types foo and bar.
 
-	foo[param1]bar[param1]
+    foo[param1]bar[param1]
 
 ### Size[w, h]
 
@@ -53,7 +53,7 @@ The reason this is used is because it is independent on screen resolution -
 The form should work just as well on large screens as small screens.
 You can use decimals in sizes and co-ordinates.
 
-	size[5,2]
+    size[5,2]
 
 Co-ordinates and sizes only use one attribute.
 The x and y values are separated by a comma, as you can see above.
@@ -64,7 +64,7 @@ This is a textbox element. Most other elements have a similar style of attribute
 The "name" attribute is used in callbacks to get the submitted information.
 The others are pretty self-explaintary.
 
-	field[1,1;3,1;firstname;Firstname;]
+    field[1,1;3,1;firstname;Firstname;]
 
 It is perfectly valid to not define an attribute, like above.
 
@@ -78,7 +78,7 @@ It is near line 1019, at time of writing.
 
 Here is a generalized way to show a formspec
 
-	minetest.show_formspec(playername, formname, formspec)
+    minetest.show_formspec(playername, formname, formspec)
 
 Formnames should be itemnames, however that is not enforced.
 There is no need to override a formspec here, formspecs are not registered like
@@ -90,23 +90,23 @@ and see if the callback is relevant.
 ### Example
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/formspec_name.png" alt="Name Formspec">
-	<figcaption>
-		The formspec generated by<br />
-		the example's code
-	</figcaption>
+    <img src="{{ page.root }}/static/formspec_name.png" alt="Name Formspec">
+    <figcaption>
+        The formspec generated by<br />
+        the example's code
+    </figcaption>
 </figure>
 
 {% highlight lua %}
 -- Show form when the /formspec command is used.
 minetest.register_chatcommand("formspec", {
-	func = function(name, param)
-		minetest.show_formspec(name, "mymod:form",
-				"size[4,3]" ..
-				"label[0,0;Hello, " .. name .. "]" ..
-				"field[1,1.5;3,1;name;Name;]" ..
-				"button_exit[1,2;2,1;exit;Save]")
-	end
+    func = function(name, param)
+        minetest.show_formspec(name, "mymod:form",
+                "size[4,3]" ..
+                "label[0,0;Hello, " .. name .. "]" ..
+                "field[1,1.5;3,1;name;Name;]" ..
+                "button_exit[1,2;2,1;exit;Save]")
+    end
 })
 {% endhighlight %}
 
@@ -126,29 +126,29 @@ Let's expand on the above example.
 {% highlight lua %}
 -- Show form when the /formspec command is used.
 minetest.register_chatcommand("formspec", {
-	func = function(name, param)
-		minetest.show_formspec(name, "mymod:form",
-				"size[4,3]" ..
-				"label[0,0;Hello, " .. name .. "]" ..
-				"field[1,1.5;3,1;name;Name;]" ..
-				"button_exit[1,2;2,1;exit;Save]")
-	end
+    func = function(name, param)
+        minetest.show_formspec(name, "mymod:form",
+                "size[4,3]" ..
+                "label[0,0;Hello, " .. name .. "]" ..
+                "field[1,1.5;3,1;name;Name;]" ..
+                "button_exit[1,2;2,1;exit;Save]")
+    end
 })
 
 -- Register callback
 minetest.register_on_player_receive_fields(function(player, formname, fields)
-	if formname ~= "mymod:form" then
-		-- Formname is not mymod:form,
-		-- exit callback.
-		return false
-	end
+    if formname ~= "mymod:form" then
+        -- Formname is not mymod:form,
+        -- exit callback.
+        return false
+    end
 
-	-- Send message to player.
-	minetest.chat_send_player(player:get_player_name(), "You said: " .. fields.name .. "!")
+    -- Send message to player.
+    minetest.chat_send_player(player:get_player_name(), "You said: " .. fields.name .. "!")
 
-	-- Return true to stop other minetest.register_on_player_receive_fields
-	-- from receiving this submission.
-	return true
+    -- Return true to stop other minetest.register_on_player_receive_fields
+    -- from receiving this submission.
+    return true
 end)
 {% endhighlight %}
 
@@ -176,8 +176,8 @@ for a clicked button.
 -- An example of what fields could contain,
 --   using the above code
 {
-	name = "Foo Bar",
-	exit = true
+    name = "Foo Bar",
+    exit = true
 }
 {% endhighlight %}
 
@@ -198,21 +198,21 @@ Let's say you are making a form to handle land protection information.
 local land_formspec_context = {}
 
 minetest.register_chatcommand("land", {
-	func = function(name, param)
-		if param == "" then
-			minetest.chat_send_player(name, "Incorrect parameters - supply a land ID")
-			return
-		end
+    func = function(name, param)
+        if param == "" then
+            minetest.chat_send_player(name, "Incorrect parameters - supply a land ID")
+            return
+        end
 
-		-- Save information
-		land_formspec_context[name] = {id = param}
+        -- Save information
+        land_formspec_context[name] = {id = param}
 
-		minetest.show_formspec(name, "mylandowner:edit",
-				"size[4,4]" ..
-				"field[1,1;3,1;plot;Plot Name;]" ..
-				"field[1,2;3,1;owner;Owner;]" ..
-				"button_exit[1,3;2,1;exit;Save]")
-	end
+        minetest.show_formspec(name, "mylandowner:edit",
+                "size[4,4]" ..
+                "field[1,1;3,1;plot;Plot Name;]" ..
+                "field[1,2;3,1;owner;Owner;]" ..
+                "button_exit[1,3;2,1;exit;Save]")
+    end
 })
 
 
@@ -221,25 +221,25 @@ minetest.register_chatcommand("land", {
 -- Step 2) retrieve context when player submits the form
 --
 minetest.register_on_player_receive_fields(function(player, formname, fields)
-	if formname ~= "mylandowner:edit" then
-		return false
-	end
+    if formname ~= "mylandowner:edit" then
+        return false
+    end
 
-	-- Load information
-	local context = land_formspec_context[player:get_player_name()]
+    -- Load information
+    local context = land_formspec_context[player:get_player_name()]
 
-	if context then
-		minetest.chat_send_player(player:get_player_name(), "Id " .. context.id .. " is now called " ..
-				fields.plot .. " and owned by " .. fields.owner)
+    if context then
+        minetest.chat_send_player(player:get_player_name(), "Id " .. context.id .. " is now called " ..
+                fields.plot .. " and owned by " .. fields.owner)
 
-		-- Delete context if it is no longer going to be used
-		land_formspec_context[player:get_player_name()] = nil
+        -- Delete context if it is no longer going to be used
+        land_formspec_context[player:get_player_name()] = nil
 
-		return true
-	else
-		-- Fail gracefully if the context does not exist.
-		minetest.chat_send_player(player:get_player_name(), "Something went wrong, try again.")
-	end
+        return true
+    else
+        -- Fail gracefully if the context does not exist.
+        minetest.chat_send_player(player:get_player_name(), "Something went wrong, try again.")
+    end
 end)
 {% endhighlight %}
 
@@ -252,20 +252,20 @@ the player the chest formspec.
 
 {% highlight lua %}
 minetest.register_node("mymod:rightclick", {
-	description = "Rightclick me!",
-	tiles = {"mymod_rightclick.png"},
-	groups = {cracky = 1},
-	after_place_node = function(pos, placer)
-		-- This function is run	when the chest node is placed.
-		-- The following code sets the formspec for chest.
-		-- Meta is a way of storing data onto a node.
+    description = "Rightclick me!",
+    tiles = {"mymod_rightclick.png"},
+    groups = {cracky = 1},
+    after_place_node = function(pos, placer)
+        -- This function is run    when the chest node is placed.
+        -- The following code sets the formspec for chest.
+        -- Meta is a way of storing data onto a node.
 
-		local meta = minetest.get_meta(pos)
-		meta:set_string("formspec",
-				"size[5,5]"..
-				"label[1,1;This is shown on right click]"..
+        local meta = minetest.get_meta(pos)
+        meta:set_string("formspec",
+                "size[5,5]"..
+                "label[1,1;This is shown on right click]"..
                 "field[1,2;2,1;x;x;]")
-	end,
+    end,
     on_receive_fields = function(pos, formname, fields, player)
         if(fields.quit) then return end
         print(fields.x)
diff --git a/en/chapters/hud.md b/en/chapters/hud.md
index 4580ad5..0ef4c25 100644
--- a/en/chapters/hud.md
+++ b/en/chapters/hud.md
@@ -5,10 +5,10 @@ root: ../../
 ---
 
 <div class="notice">
-	<h2>Experimental Feature</h2>
+    <h2>Experimental Feature</h2>
 
-	The HUD feature will probably be rewritten in an upcoming Minetest release.
-	Be aware that you may need to update your mods if the API is changed.
+    The HUD feature will probably be rewritten in an upcoming Minetest release.
+    Be aware that you may need to update your mods if the API is changed.
 </div>
 
 ## Introduction
@@ -84,11 +84,11 @@ Here is our earlier example, but with comments to explain each part:
 
 {% highlight lua %}
 local idx = player:hud_add({
-	hud_elem_type = "text",     -- This is a text element
-	position = {x = 1, y = 0},
-	offset = {x=-100, y = 20},
-	scale = {x = 100, y = 100}, -- Maximum size of text, crops off any out of these bounds
-	text = "My Text"            -- The actual text shown
+    hud_elem_type = "text",     -- This is a text element
+    position = {x = 1, y = 0},
+    offset = {x=-100, y = 20},
+    scale = {x = 100, y = 100}, -- Maximum size of text, crops off any out of these bounds
+    text = "My Text"            -- The actual text shown
 })
 {% endhighlight %}
 
@@ -99,12 +99,12 @@ Colors are in [Hexadecimal form](http://www.colorpicker.com/).
 
 {% highlight lua %}
 local idx = player:hud_add({
-	hud_elem_type = "text",
-	position = {x = 1, y = 0},
-	offset = {x=-100, y = 20},
-	scale = {x = 100, y = 100},
-	text = "My Text",
-	number = 0xFF0000 -- Red
+    hud_elem_type = "text",
+    position = {x = 1, y = 0},
+    offset = {x=-100, y = 20},
+    scale = {x = 100, y = 100},
+    text = "My Text",
+    number = 0xFF0000 -- Red
 })
 {% endhighlight %}
 
diff --git a/en/chapters/inventories.md b/en/chapters/inventories.md
index 9686f1d..cfe22ce 100644
--- a/en/chapters/inventories.md
+++ b/en/chapters/inventories.md
@@ -13,21 +13,21 @@ This chapter assumes that you already know how to create and manipulate
 
 * Basic Concepts.
 * Types of Inventories.
-	* Player Inventories.
-	* Node Inventories.
-	* Detached Inventories.
+    * Player Inventories.
+    * Node Inventories.
+    * Detached Inventories.
 * InvRef and Lists.
-	* Type of inventory.
-	* List sizes.
-	* List is empty.
-	* Lua Tables.
-	* Lua Tables for Lists.
+    * Type of inventory.
+    * List sizes.
+    * List is empty.
+    * Lua Tables.
+    * Lua Tables for Lists.
 * InvRef, Items and Stacks.
-	* Adding to a list.
-	* Checking for room.
-	* Taking items.
-	* Contains.
-	* Manipulating Stacks.
+    * Adding to a list.
+    * Checking for room.
+    * Taking items.
+    * Contains.
+    * Manipulating Stacks.
 
 ## Basic Concepts
 
@@ -45,17 +45,17 @@ There are three ways you can get inventories:
 * **Detached Inventories** - an inventory which is not attached to a node or player.
 
 <figure>
-	<img src="{{ page.root }}/static/inventories_lists.png" alt="The player inventory formspec, with annotated list names.">
-	<figcaption>
-		This image shows the two inventories visible when you press i.
-		The gray boxes are inventory lists.<br />
-		The creative inventory, left (in red) is detached and it made up of a
-		single list.<br />
-		The player inventory, right (in blue) is a player inventory
-		and is made up of three lists.<br />
-		Note that the trash can is a <a href="formspecs.html">formspec</a>
-		element, and is not part of the inventory.
-	</figcaption>
+    <img src="{{ page.root }}/static/inventories_lists.png" alt="The player inventory formspec, with annotated list names.">
+    <figcaption>
+        This image shows the two inventories visible when you press i.
+        The gray boxes are inventory lists.<br />
+        The creative inventory, left (in red) is detached and it made up of a
+        single list.<br />
+        The player inventory, right (in blue) is a player inventory
+        and is made up of three lists.<br />
+        Note that the trash can is a <a href="formspecs.html">formspec</a>
+        element, and is not part of the inventory.
+    </figcaption>
 </figure>
 
 
@@ -124,11 +124,11 @@ They also have a width, which is used to divide them into a grid.
 
 {% highlight lua %}
 if inv:set_size("main", 32) then
-	inv:set_width("main", 8)
-	print("size:  " .. inv.get_size("main"))
-	print("width: " .. inv:get_width("main"))
+    inv:set_width("main", 8)
+    print("size:  " .. inv.get_size("main"))
+    print("width: " .. inv:get_width("main"))
 else
-	print("Error!")
+    print("Error!")
 end
 {% endhighlight %}
 
@@ -140,7 +140,7 @@ a list doesn't have a width or height, only the maximum number of stacks/slots.-
 
 {% highlight lua %}
 if inv:is_empty("main") then
-	print("The list is empty!")
+    print("The list is empty!")
 end
 {% endhighlight %}
 
@@ -156,20 +156,20 @@ It will be in this form:
 
 {% highlight lua %}
 {
-	list_one = {
-		ItemStack,
-		ItemStack,
-		ItemStack,
-		ItemStack,
-		-- inv:get_size("list_one") elements
-	},
-	list_two = {
-		ItemStack,
-		ItemStack,
-		ItemStack,
-		ItemStack,
-		-- inv:get_size("list_two") elements
-	}
+    list_one = {
+        ItemStack,
+        ItemStack,
+        ItemStack,
+        ItemStack,
+        -- inv:get_size("list_one") elements
+    },
+    list_two = {
+        ItemStack,
+        ItemStack,
+        ItemStack,
+        ItemStack,
+        -- inv:get_size("list_two") elements
+    }
 }
 {% endhighlight %}
 
@@ -193,11 +193,11 @@ It will be in this form:
 
 {% highlight lua %}
 {
-	ItemStack,
-	ItemStack,
-	ItemStack,
-	ItemStack,
-	-- inv:get_size("list_one") elements
+    ItemStack,
+    ItemStack,
+    ItemStack,
+    ItemStack,
+    -- inv:get_size("list_one") elements
 }
 {% endhighlight %}
 
@@ -217,7 +217,7 @@ Please note that the sizes of lists will not change.
 local stack = ItemStack("default:stone 99")
 local leftover = inv:add_item("main", stack)
 if leftover:get_count() > 0 then
-	print("Inventory is full! " .. leftover:get_count() .. " items weren't added")
+    print("Inventory is full! " .. leftover:get_count() .. " items weren't added")
 end
 {% endhighlight %}
 
@@ -227,7 +227,7 @@ end
 
 {% highlight lua %}
 if not inv:room_for_item("main", stack) then
-	print("Not enough room!")
+    print("Not enough room!")
 end
 {% endhighlight %}
 
@@ -246,7 +246,7 @@ are stacks of 99 + 95 + 6.
 
 {% highlight lua %}
 if not inv:contains_item(listname, stack) then
-	print("Item not in inventory!")
+    print("Item not in inventory!")
 end
 {% endhighlight %}
 
diff --git a/en/chapters/itemstacks.md b/en/chapters/itemstacks.md
index f3187f9..82e0ed4 100644
--- a/en/chapters/itemstacks.md
+++ b/en/chapters/itemstacks.md
@@ -33,9 +33,9 @@ You could alternatively create a blank ItemStack and fill it using methods:
 {% highlight lua %}
 local items = ItemStack()
 if items:set_name("default:dirt") then
-	items:set_count(99)
+    items:set_count(99)
 else
-	print("An error occured!")
+    print("An error occured!")
 end
 {% endhighlight %}
 
@@ -57,10 +57,10 @@ print(items:get_name()) -- default:stone
 print(items:get_count()) -- 99
 
 if items:set_name("default:dirt") then
-	print(items:get_name()) -- default:dirt
-	print(items:get_count()) -- 99
+    print(items:get_name()) -- default:dirt
+    print(items:get_count()) -- 99
 else
-	error("This shouldn't happen")
+    error("This shouldn't happen")
 end
 {% endhighlight %}
 
diff --git a/en/chapters/lua.md b/en/chapters/lua.md
index 1cc2079..19e7a79 100644
--- a/en/chapters/lua.md
+++ b/en/chapters/lua.md
@@ -10,10 +10,10 @@ In this chapter we will talk about scripting in Lua, the tools required,
 and go over some techniques which you will probably find useful.
 
 * Tools
-	* Recommended Editors
-	* Integrated Programming Environments
+    * Recommended Editors
+    * Integrated Programming Environments
 * Coding in Lua
-	* Selection
+    * Selection
 * Programming
 * Local and Global
 * Including other Lua Scripts
@@ -26,17 +26,17 @@ depending on what they mean. This allows you to spot mistakes.
 
 {% highlight lua %}
 function ctf.post(team,msg)
-	if not ctf.team(team) then
-		return false
-	end
-	if not ctf.team(team).log then
-		ctf.team(team).log = {}
-	end
+    if not ctf.team(team) then
+        return false
+    end
+    if not ctf.team(team).log then
+        ctf.team(team).log = {}
+    end
 
-	table.insert(ctf.team(team).log,1,msg)
-	ctf.save()
+    table.insert(ctf.team(team).log,1,msg)
+    ctf.save()
 
-	return true
+    return true
 end
 {% endhighlight %}
 
@@ -69,7 +69,7 @@ One such IDE is Eclipse with the Koneki Lua plugin:
 ## Coding in Lua
 
 <div class="notice">
-	This section is a Work in Progress. May be unclear.
+    This section is a Work in Progress. May be unclear.
 </div>
 
 Programs are a series of commands that run one after another.
@@ -138,9 +138,9 @@ The most basic selection is the if statement. It looks like this:
 local random_number = math.random(1, 100) -- Between 1 and 100.
 
 if random_number > 50 then
-	print("Woohoo!")
+    print("Woohoo!")
 else
-	print("No!")
+    print("No!")
 end
 {% endhighlight %}
 
@@ -166,7 +166,7 @@ That doesn't contain every possible operator, and you can combine operators like
 
 {% highlight lua %}
 if not A and B then
-	print("Yay!")
+    print("Yay!")
 end
 {% endhighlight %}
 
@@ -180,7 +180,7 @@ local A = 5
 local is_equal = (A == 5)
 
 if is_equal then
-	print("Is equal!")
+    print("Is equal!")
 end
 {% endhighlight %}
 
@@ -211,13 +211,13 @@ A local variable is only accessible from where it is defined. Here are some exam
 local one = 1
 
 function myfunc()
-	-- Accessible from within this function
-	local two = one + one
+    -- Accessible from within this function
+    local two = one + one
 
-	if two == one then
-		-- Accessible from within this if statement
-		local three = one + two
-	end
+    if two == one then
+        -- Accessible from within this if statement
+        local three = one + two
+    end
 end
 {% endhighlight %}
 
@@ -227,7 +227,7 @@ Whereas global variables can be accessed from anywhere in the script file, and f
 my_global_variable = "blah"
 
 function one()
-	my_global_variable = "three"
+    my_global_variable = "three"
 end
 
 print(my_global_variable) -- Output: "blah"
@@ -243,11 +243,11 @@ Local variables must be identified as such.
 
 {% highlight lua %}
 function one()
-	foo = "bar"
+    foo = "bar"
 end
 
 function two()
-	print(dump(foo))  -- Output: "bar"
+    print(dump(foo))  -- Output: "bar"
 end
 
 one()
@@ -260,17 +260,17 @@ which show it is a string.
 
 This is sloppy coding, and Minetest will in fact warn you about this:
 
-	[WARNING] Assigment to undeclared global 'foo' inside function at init.lua:2
+    [WARNING] Assigment to undeclared global 'foo' inside function at init.lua:2
 
 To correct this, use "local":
 
 {% highlight lua %}
 function one()
-	local foo = "bar"
+    local foo = "bar"
 end
 
 function two()
-	print(dump(foo))  -- Output: nil
+    print(dump(foo))  -- Output: nil
 end
 
 one()
@@ -286,7 +286,7 @@ as other mods could have functions of the same name.
 
 {% highlight lua %}
 local function foo(bar)
-	return bar * 2
+    return bar * 2
 end
 {% endhighlight %}
 
@@ -297,7 +297,7 @@ you add them all into a table with the same name as the mod:
 mymod = {}
 
 function mymod.foo(bar)
-	return "foo" .. bar
+    return "foo" .. bar
 end
 
 -- In another mod, or script:
diff --git a/en/chapters/node_drawtypes.md b/en/chapters/node_drawtypes.md
index f0d985d..5c5b9bf 100644
--- a/en/chapters/node_drawtypes.md
+++ b/en/chapters/node_drawtypes.md
@@ -5,10 +5,10 @@ root: ../../
 ---
 
 <div class="notice">
-	<h2>This chapter is incomplete</h2>
+    <h2>This chapter is incomplete</h2>
 
-	Some drawtypes have not been explained yet,
-	and placeholder images are being used.
+    Some drawtypes have not been explained yet,
+    and placeholder images are being used.
 </div>
 
 ## Introduction
@@ -25,12 +25,12 @@ the title of the sections, except in lower case.
 * Normal
 * Airlike
 * Liquid
-	* FlowingLiquid
+    * FlowingLiquid
 * Glasslike
 * Glasslike_Framed
-	* Glasslike_Framed_Optional
+    * Glasslike_Framed_Optional
 * Allfaces
-	* Allfaces_Optional
+    * Allfaces_Optional
 * Torchlike
 * Nodebox
 
@@ -46,10 +46,10 @@ This article is not complete yet. These drawtypes are missing:
 ## Normal
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/drawtype_normal.png" alt="Normal Drawtype">
-	<figcaption>
-		Normal Drawtype
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_normal.png" alt="Normal Drawtype">
+    <figcaption>
+        Normal Drawtype
+    </figcaption>
 </figure>
 
 This is, well, the normal drawtypes.
@@ -59,18 +59,18 @@ Notice how you don't need to declare the drawtype.
 
 {% highlight lua %}
 minetest.register_node("mymod:diamond", {
-	description = "Alien Diamond",
-	tiles = {
-		"mymod_diamond_up.png",
-		"mymod_diamond_down.png",
-		"mymod_diamond_right.png",
-		"mymod_diamond_left.png",
-		"mymod_diamond_back.png",
-		"mymod_diamond_front.png"
-	},
-	is_ground_content = true,
-	groups = {cracky = 3},
-	drop = "mymod:diamond_fragments"
+    description = "Alien Diamond",
+    tiles = {
+        "mymod_diamond_up.png",
+        "mymod_diamond_down.png",
+        "mymod_diamond_right.png",
+        "mymod_diamond_left.png",
+        "mymod_diamond_back.png",
+        "mymod_diamond_front.png"
+    },
+    is_ground_content = true,
+    groups = {cracky = 3},
+    drop = "mymod:diamond_fragments"
 })
 {% endhighlight %}
 
@@ -81,34 +81,34 @@ These nodes are see through and thus have no textures.
 
 {% highlight lua %}
 minetest.register_node("myair:air", {
-	description = "MyAir (you hacker you!)",
-	drawtype = "airlike",
+    description = "MyAir (you hacker you!)",
+    drawtype = "airlike",
 
-	paramtype = "light",
-	-- ^ Allows light to propagate through the node with the
-	--   light value falling by 1 per node.
+    paramtype = "light",
+    -- ^ Allows light to propagate through the node with the
+    --   light value falling by 1 per node.
 
-	sunlight_propagates = true, -- Sunlight shines through
-	walkable     = false, -- Would make the player collide with the air node
-	pointable    = false, -- You can't select the node
-	diggable     = false, -- You can't dig the node
-	buildable_to = true,  -- Nodes can be replace this node.
-	                      -- (you can place a node and remove the air node
-	                      -- that used to be there)
+    sunlight_propagates = true, -- Sunlight shines through
+    walkable     = false, -- Would make the player collide with the air node
+    pointable    = false, -- You can't select the node
+    diggable     = false, -- You can't dig the node
+    buildable_to = true,  -- Nodes can be replace this node.
+                          -- (you can place a node and remove the air node
+                          -- that used to be there)
 
-	air_equivalent = true,
-	drop = "",
-	groups = {not_in_creative_inventory=1}
+    air_equivalent = true,
+    drop = "",
+    groups = {not_in_creative_inventory=1}
 })
 {% endhighlight %}
 
 ## Liquid
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/drawtype_liquid.png" alt="Liquid Drawtype">
-	<figcaption>
-		Liquid Drawtype
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_liquid.png" alt="Liquid Drawtype">
+    <figcaption>
+        Liquid Drawtype
+    </figcaption>
 </figure>
 
 These nodes are complete liquid nodes, the liquid flows outwards from position
@@ -118,63 +118,63 @@ For each liquid node you should also have a flowing liquid node.
 {% highlight lua %}
 -- Some properties have been removed as they are beyond the scope of this chapter.
 minetest.register_node("default:water_source", {
-	drawtype = "liquid",
-	paramtype = "light",
+    drawtype = "liquid",
+    paramtype = "light",
 
-	inventory_image = minetest.inventorycube("default_water.png"),
-	-- ^ this is required to stop the inventory image from being animated
+    inventory_image = minetest.inventorycube("default_water.png"),
+    -- ^ this is required to stop the inventory image from being animated
 
-	tiles = {
-		{
-			name = "default_water_source_animated.png",
-			animation = {
-				type     = "vertical_frames",
-				aspect_w = 16,
-				aspect_h = 16,
-				length   = 2.0
-			}
-		}
-	},
+    tiles = {
+        {
+            name = "default_water_source_animated.png",
+            animation = {
+                type     = "vertical_frames",
+                aspect_w = 16,
+                aspect_h = 16,
+                length   = 2.0
+            }
+        }
+    },
 
-	special_tiles = {
-		-- New-style water source material (mostly unused)
-		{
-			name      = "default_water_source_animated.png",
-			animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 2.0},
-			backface_culling = false,
-		}
-	},
+    special_tiles = {
+        -- New-style water source material (mostly unused)
+        {
+            name      = "default_water_source_animated.png",
+            animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 2.0},
+            backface_culling = false,
+        }
+    },
 
-	--
-	-- Behavior
-	--
-	walkable     = false, -- The player falls through
-	pointable    = false, -- The player can't highlight it
-	diggable     = false, -- The player can't dig it
-	buildable_to = true,  -- Nodes can be replace this node
+    --
+    -- Behavior
+    --
+    walkable     = false, -- The player falls through
+    pointable    = false, -- The player can't highlight it
+    diggable     = false, -- The player can't dig it
+    buildable_to = true,  -- Nodes can be replace this node
 
-	alpha = 160,
+    alpha = 160,
 
-	--
-	-- Liquid Properties
-	--
-	drowning = 1,
-	liquidtype = "source",
+    --
+    -- Liquid Properties
+    --
+    drowning = 1,
+    liquidtype = "source",
 
-	liquid_alternative_flowing = "default:water_flowing",
-	-- ^ when the liquid is flowing
+    liquid_alternative_flowing = "default:water_flowing",
+    -- ^ when the liquid is flowing
 
-	liquid_alternative_source = "default:water_source",
-	-- ^ when the liquid is a source
+    liquid_alternative_source = "default:water_source",
+    -- ^ when the liquid is a source
 
-	liquid_viscosity = WATER_VISC,
-	-- ^ how fast
+    liquid_viscosity = WATER_VISC,
+    -- ^ how fast
 
-	liquid_range = 8,
-	-- ^ how far
+    liquid_range = 8,
+    -- ^ how far
 
-	post_effect_color = {a=64, r=100, g=100, b=200},
-	-- ^ color of screen when the player is submerged
+    post_effect_color = {a=64, r=100, g=100, b=200},
+    -- ^ color of screen when the player is submerged
 })
 {% endhighlight %}
 
@@ -186,32 +186,32 @@ the same as the above example.
 ## Glasslike
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/drawtype_glasslike.png" alt="Glasslike Drawtype">
-	<figcaption>
-		Glasslike Drawtype
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_glasslike.png" alt="Glasslike Drawtype">
+    <figcaption>
+        Glasslike Drawtype
+    </figcaption>
 </figure>
 
 When you place multiple glasslike nodes together, you'll notice that the internal
 edges are hidden, like this:
 
 <figure>
-	<img src="{{ page.root }}/static/drawtype_glasslike_edges.png" alt="Glasslike's Edges">
-	<figcaption>
-		Glasslike's Edges
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_glasslike_edges.png" alt="Glasslike's Edges">
+    <figcaption>
+        Glasslike's Edges
+    </figcaption>
 </figure>
 
 {% highlight lua %}
 minetest.register_node("default:obsidian_glass", {
-	description = "Obsidian Glass",
-	drawtype = "glasslike",
-	tiles = {"default_obsidian_glass.png"},
-	paramtype = "light",
-	is_ground_content = false,
-	sunlight_propagates = true,
-	sounds = default.node_sound_glass_defaults(),
-	groups = {cracky=3,oddly_breakable_by_hand=3},
+    description = "Obsidian Glass",
+    drawtype = "glasslike",
+    tiles = {"default_obsidian_glass.png"},
+    paramtype = "light",
+    is_ground_content = false,
+    sunlight_propagates = true,
+    sounds = default.node_sound_glass_defaults(),
+    groups = {cracky=3,oddly_breakable_by_hand=3},
 })
 {% endhighlight %}
 
@@ -221,26 +221,26 @@ This makes the node's edge go around the whole thing with a 3D effect, rather
 than individual nodes, like the following:
 
 <figure>
-	<img src="{{ page.root }}/static/drawtype_glasslike_framed.png" alt="Glasslike_framed's Edges">
-	<figcaption>
-		Glasslike_Framed's Edges
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_glasslike_framed.png" alt="Glasslike_framed's Edges">
+    <figcaption>
+        Glasslike_Framed's Edges
+    </figcaption>
 </figure>
 
 {% highlight lua %}
 minetest.register_node("default:glass", {
-	description = "Glass",
-	drawtype = "glasslike_framed",
+    description = "Glass",
+    drawtype = "glasslike_framed",
 
-	tiles = {"default_glass.png", "default_glass_detail.png"},
-	inventory_image = minetest.inventorycube("default_glass.png"),
+    tiles = {"default_glass.png", "default_glass_detail.png"},
+    inventory_image = minetest.inventorycube("default_glass.png"),
 
-	paramtype = "light",
-	sunlight_propagates = true, -- Sunlight can shine through block
-	is_ground_content = false, -- Stops caves from being generated over this node.
+    paramtype = "light",
+    sunlight_propagates = true, -- Sunlight can shine through block
+    is_ground_content = false, -- Stops caves from being generated over this node.
 
-	groups = {cracky = 3, oddly_breakable_by_hand = 3},
-	sounds = default.node_sound_glass_defaults()
+    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    sounds = default.node_sound_glass_defaults()
 })
 {% endhighlight %}
 
@@ -251,10 +251,10 @@ minetest.register_node("default:glass", {
 ## Allfaces
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/drawtype_allfaces.png" alt="Allfaces drawtype">
-	<figcaption>
-		Allfaces drawtype
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_allfaces.png" alt="Allfaces drawtype">
+    <figcaption>
+        Allfaces drawtype
+    </figcaption>
 </figure>
 
 Allfaces nodes are partially transparent nodes - they have holes on
@@ -264,9 +264,9 @@ Leaves in vanilla minetest_game use this drawtype.
 
 {% highlight lua %}
 minetest.register_node("default:leaves", {
-	description = "Leaves",
-	drawtype = "allfaces_optional",
-	tiles = {"default_leaves.png"}
+    description = "Leaves",
+    drawtype = "allfaces_optional",
+    tiles = {"default_leaves.png"}
 })
 {% endhighlight %}
 
@@ -285,38 +285,38 @@ items which need to have different textures depending on where they are placed.
 
 {% highlight lua %}
 minetest.register_node("foobar:torch", {
-	description = "Foobar Torch",
-	drawtype = "torchlike",
-	tiles = {
-		{"foobar_torch_floor.png"},
-		{"foobar_torch_ceiling.png"},
-		{"foobar_torch_wall.png"}
-	},
-	inventory_image = "foobar_torch_floor.png",
-	wield_image = "default_torch_floor.png",
-	light_source = LIGHT_MAX-1,
+    description = "Foobar Torch",
+    drawtype = "torchlike",
+    tiles = {
+        {"foobar_torch_floor.png"},
+        {"foobar_torch_ceiling.png"},
+        {"foobar_torch_wall.png"}
+    },
+    inventory_image = "foobar_torch_floor.png",
+    wield_image = "default_torch_floor.png",
+    light_source = LIGHT_MAX-1,
 
-	-- Determines how the torch is selected, ie: the wire box around it.
-	-- each value is { x1, y1, z1, x2, y2, z2 }
-	-- (x1, y1, y1) is the bottom front left corner
-	-- (x2, y2, y2) is the opposite - top back right.
-	-- Similar to the nodebox format.
-	selection_box = {
-		type = "wallmounted",
-		wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},
-		wall_bottom = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
-		wall_side = {-0.5, -0.3, -0.1, -0.5+0.3, 0.3, 0.1},
-	}
+    -- Determines how the torch is selected, ie: the wire box around it.
+    -- each value is { x1, y1, z1, x2, y2, z2 }
+    -- (x1, y1, y1) is the bottom front left corner
+    -- (x2, y2, y2) is the opposite - top back right.
+    -- Similar to the nodebox format.
+    selection_box = {
+        type = "wallmounted",
+        wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},
+        wall_bottom = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
+        wall_side = {-0.5, -0.3, -0.1, -0.5+0.3, 0.3, 0.1},
+    }
 })
 {% endhighlight %}
 
 ## Nodebox
 
 <figure class="right_image">
-	<img src="{{ page.root }}/static/drawtype_nodebox.gif" alt="Nodebox drawtype">
-	<figcaption>
-		Nodebox drawtype
-	</figcaption>
+    <img src="{{ page.root }}/static/drawtype_nodebox.gif" alt="Nodebox drawtype">
+    <figcaption>
+        Nodebox drawtype
+    </figcaption>
 </figure>
 
 Nodeboxes allow you to create a node which is not cubic, but is instead made out
@@ -324,15 +324,15 @@ of as many cuboids as you like.
 
 {% highlight lua %}
 minetest.register_node("stairs:stair_stone", {
-	drawtype = "nodebox",
-	paramtype = "light",
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-			{-0.5, 0, 0, 0.5, 0.5, 0.5},
-		},
-	}
+    drawtype = "nodebox",
+    paramtype = "light",
+    node_box = {
+        type = "fixed",
+        fixed = {
+            {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+            {-0.5, 0, 0, 0.5, 0.5, 0.5},
+        },
+    }
 })
 {% endhighlight %}
 
@@ -357,24 +357,24 @@ Sometimes you want different nodeboxes for when it is placed on the floor, wall,
 
 {% highlight lua %}
 minetest.register_node("default:sign_wall", {
-	drawtype = "nodebox",
-	node_box = {
-		type = "wallmounted",
+    drawtype = "nodebox",
+    node_box = {
+        type = "wallmounted",
 
-		-- Ceiling
-		wall_top    = {
-			{-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125}
-		},
+        -- Ceiling
+        wall_top    = {
+            {-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125}
+        },
 
-		-- Floor
-		wall_bottom = {
-			{-0.4375, -0.5, -0.3125, 0.4375, -0.4375, 0.3125}
-		},
+        -- Floor
+        wall_bottom = {
+            {-0.4375, -0.5, -0.3125, 0.4375, -0.4375, 0.3125}
+        },
 
-		-- Wall
-		wall_side   = {
-			{-0.5, -0.3125, -0.4375, -0.4375, 0.3125, 0.4375}
-		}
-	},
+        -- Wall
+        wall_side   = {
+            {-0.5, -0.3125, -0.4375, -0.4375, 0.3125, 0.4375}
+        }
+    },
 })
 {% endhighlight %}
diff --git a/en/chapters/node_metadata.md b/en/chapters/node_metadata.md
index 43a6646..fed0e2b 100644
--- a/en/chapters/node_metadata.md
+++ b/en/chapters/node_metadata.md
@@ -53,11 +53,11 @@ local meta = minetest.get_meta(pos)
 local value = meta:get_string("key")
 
 if value then
-	print(value)
+    print(value)
 else
-	-- value == nil
-	-- metadata of key "key" does not exist
-	print(value)
+    -- value == nil
+    -- metadata of key "key" does not exist
+    print(value)
 end
 {% endhighlight %}
 
@@ -75,9 +75,9 @@ In order to do booleans, you should use `get_string` and `minetest.is_yes`:
 local value = minetest.is_yes(meta:get_string("key"))
 
 if value then
-	print("is yes")
+    print("is yes")
 else
-	print("is no")
+    print("is no")
 end
 {% endhighlight %}
 
diff --git a/en/chapters/nodes_items_crafting.md b/en/chapters/nodes_items_crafting.md
index de52bfe..e3ea725 100644
--- a/en/chapters/nodes_items_crafting.md
+++ b/en/chapters/nodes_items_crafting.md
@@ -23,7 +23,7 @@ Each item, whether that be a node, craftitem, tool, or entity, has an item strin
 This is sometimes referred to as registered name or just name.
 A string in programming terms is a piece of text.
 
-	modname:itemname
+    modname:itemname
 
 The modname is the name of the folder your mod is in.
 You may call the itemname anything you like; however, it should be relevant to
@@ -55,8 +55,8 @@ They are used in recipes to create other items, or they can be used by the playe
 
 {% highlight lua %}
 minetest.register_craftitem("mymod:diamond_fragments", {
-	description = "Alien Diamond Fragments",
-	inventory_image = "mymod_diamond_fragments.png"
+    description = "Alien Diamond Fragments",
+    inventory_image = "mymod_diamond_fragments.png"
 })
 {% endhighlight %}
 
@@ -70,9 +70,9 @@ Foods are items that cure health. To create a food item you need to define the o
 
 {% highlight lua %}
 minetest.register_craftitem("mymod:mudpie", {
-	description = "Alien Mud Pie",
-	inventory_image = "myfood_mudpie.png",
-	on_use = minetest.item_eat(20)
+    description = "Alien Mud Pie",
+    inventory_image = "myfood_mudpie.png",
+    on_use = minetest.item_eat(20)
 })
 {% endhighlight %}
 
@@ -83,7 +83,7 @@ Hitpoints don't have to be integers (whole numbers), they can be decimals.
 Sometimes you may want a food to be replaced with another item when being eaten,
 for example smaller pieces of cake or bones after eating meat. To do this, use:
 
-	minetest.item_eat(hp, replace_with_item)
+    minetest.item_eat(hp, replace_with_item)
 
 Where replace_with_item is an item string.
 
@@ -94,28 +94,28 @@ such as send a message to the player?
 
 {% highlight lua %}
 minetest.register_craftitem("mymod:mudpie", {
-	description = "Alien Mud Pie",
-	inventory_image = "myfood_mudpie.png",
-	on_use = function(itemstack, user, pointed_thing)
-		hp_change = 20
-		replace_with_item = nil
+    description = "Alien Mud Pie",
+    inventory_image = "myfood_mudpie.png",
+    on_use = function(itemstack, user, pointed_thing)
+        hp_change = 20
+        replace_with_item = nil
 
-		minetest.chat_send_player(user:get_player_name(), "You ate an alien mud pie!")
+        minetest.chat_send_player(user:get_player_name(), "You ate an alien mud pie!")
 
-		-- Support for hunger mods using minetest.register_on_item_eat
-		for _ , callback in pairs(minetest.registered_on_item_eats) do
-			local result = callback(hp_change, replace_with_item, itemstack, user, pointed_thing)
-			if result then
-				return result
-			end
-		end
+        -- Support for hunger mods using minetest.register_on_item_eat
+        for _ , callback in pairs(minetest.registered_on_item_eats) do
+            local result = callback(hp_change, replace_with_item, itemstack, user, pointed_thing)
+            if result then
+                return result
+            end
+        end
 
-		if itemstack:take_item() ~= nil then
-			user:set_hp(user:get_hp() + hp_change)
-		end
+        if itemstack:take_item() ~= nil then
+            user:set_hp(user:get_hp() + hp_change)
+        end
 
-		return itemstack
-	end
+        return itemstack
+    end
 })
 {% endhighlight %}
 
@@ -133,10 +133,10 @@ definition table; however, you need to set the textures for the faces of the cub
 
 {% highlight lua %}
 minetest.register_node("mymod:diamond", {
-	description = "Alien Diamond",
-	tiles = {"mymod_diamond.png"},
-	is_ground_content = true,
-	groups = {cracky=3, stone=1}
+    description = "Alien Diamond",
+    tiles = {"mymod_diamond.png"},
+    is_ground_content = true,
+    groups = {cracky=3, stone=1}
 })
 {% endhighlight %}
 
@@ -155,19 +155,19 @@ a negative direction means that it is facing negative co-ordinates.
 
 {% highlight lua %}
 minetest.register_node("mymod:diamond", {
-	description = "Alien Diamond",
-	tiles = {
-		"mymod_diamond_up.png",
-		"mymod_diamond_down.png",
-		"mymod_diamond_right.png",
-		"mymod_diamond_left.png",
-		"mymod_diamond_back.png",
-		"mymod_diamond_front.png"
-	},
-	is_ground_content = true,
-	groups = {cracky = 3},
-	drop = "mymod:diamond_fragments"
-	-- ^  Rather than dropping diamond, drop mymod:diamond_fragments
+    description = "Alien Diamond",
+    tiles = {
+        "mymod_diamond_up.png",
+        "mymod_diamond_down.png",
+        "mymod_diamond_right.png",
+        "mymod_diamond_left.png",
+        "mymod_diamond_back.png",
+        "mymod_diamond_front.png"
+    },
+    is_ground_content = true,
+    groups = {cracky = 3},
+    drop = "mymod:diamond_fragments"
+    -- ^  Rather than dropping diamond, drop mymod:diamond_fragments
 })
 {% endhighlight %}
 
@@ -182,7 +182,7 @@ identified by the ``type`` property.
 * shapeless - It doesn't matter where the ingredients are,
   just that there is the right amount.
 * cooking - Recipes for the furnace to use.
-	* fuel - Defines items which can be burned in furnaces.
+    * fuel - Defines items which can be burned in furnaces.
 * tool_repair - Used to allow the repairing of tools.
 
 Craft recipes do not use Item Strings to uniquely identify themselves.
@@ -196,12 +196,12 @@ right place for it to work.
 
 {% highlight lua %}
 minetest.register_craft({
-	output = "mymod:diamond_chair 99",
-	recipe = {
-		{"mymod:diamond_fragments", "", ""},
-		{"mymod:diamond_fragments", "mymod:diamond_fragments", ""},
-		{"mymod:diamond_fragments", "mymod:diamond_fragments",  ""}
-	}
+    output = "mymod:diamond_chair 99",
+    recipe = {
+        {"mymod:diamond_fragments", "", ""},
+        {"mymod:diamond_fragments", "mymod:diamond_fragments", ""},
+        {"mymod:diamond_fragments", "mymod:diamond_fragments",  ""}
+    }
 })
 {% endhighlight %}
 
@@ -219,12 +219,12 @@ allows the recipe to be crafted if it was all moved one place to the right.
 
 {% highlight lua %}
 minetest.register_craft({
-	output = "mymod:diamond_chair",
-	recipe = {
-		{"mymod:diamond_fragments", ""},
-		{"mymod:diamond_fragments", "mymod:diamond_fragments"},
-		{"mymod:diamond_fragments", "mymod:diamond_fragments"}
-	}
+    output = "mymod:diamond_chair",
+    recipe = {
+        {"mymod:diamond_fragments", ""},
+        {"mymod:diamond_fragments", "mymod:diamond_fragments"},
+        {"mymod:diamond_fragments", "mymod:diamond_fragments"}
+    }
 })
 {% endhighlight %}
 
@@ -237,9 +237,9 @@ need to be in any specific place for it to work.
 
 {% highlight lua %}
 minetest.register_craft({
-	type = "shapeless",
-	output = "mymod:diamond",
-	recipe = {"mymod:diamond_fragments", "mymod:diamond_fragments", "mymod:diamond_fragments"}
+    type = "shapeless",
+    output = "mymod:diamond",
+    recipe = {"mymod:diamond_fragments", "mymod:diamond_fragments", "mymod:diamond_fragments"}
 })
 {% endhighlight %}
 
@@ -256,10 +256,10 @@ For example, you use a cooking recipe to turn ores into bars.
 
 {% highlight lua %}
 minetest.register_craft({
-	type = "cooking",
-	output = "mymod:diamond_fragments",
-	recipe = "default:coalblock",
-	cooktime = 10,
+    type = "cooking",
+    output = "mymod:diamond_fragments",
+    recipe = "default:coalblock",
+    cooktime = 10,
 })
 {% endhighlight %}
 
@@ -279,9 +279,9 @@ what can be burned in furnaces and other cooking tools from mods.
 
 {% highlight lua %}
 minetest.register_craft({
-	type = "fuel",
-	recipe = "mymod:diamond",
-	burntime = 300,
+    type = "fuel",
+    recipe = "mymod:diamond",
+    burntime = 300,
 })
 {% endhighlight %}
 
diff --git a/en/chapters/player_physics.md b/en/chapters/player_physics.md
index 70100ca..8f4d87c 100644
--- a/en/chapters/player_physics.md
+++ b/en/chapters/player_physics.md
@@ -21,13 +21,13 @@ puts the caller in low G:
 
 {% highlight lua %}
 minetest.register_chatcommand("antigravity", {
-	func = function(name, param)
-		local player = minetest.get_player_by_name(name)
-		player:set_physics_override({
-			gravity = 0.1 -- set gravity to 10% of its original value
-			              -- (0.1 * 9.81)
-		})
-	end
+    func = function(name, param)
+        local player = minetest.get_player_by_name(name)
+        player:set_physics_override({
+            gravity = 0.1 -- set gravity to 10% of its original value
+                          -- (0.1 * 9.81)
+        })
+    end
 })
 {% endhighlight %}
 
diff --git a/en/chapters/privileges.md b/en/chapters/privileges.md
index 700081a..d3d772b 100644
--- a/en/chapters/privileges.md
+++ b/en/chapters/privileges.md
@@ -44,8 +44,8 @@ given to them.
 
 {% highlight lua %}
 minetest.register_privilege("vote", {
-	description = "Can vote on issues",
-	give_to_singleplayer = true
+    description = "Can vote on issues",
+    give_to_singleplayer = true
 })
 {% endhighlight %}
 
@@ -54,7 +54,7 @@ value when not specified:
 
 {% highlight lua %}
 minetest.register_privilege("vote", {
-	description = "Can vote on issues"
+    description = "Can vote on issues"
 })
 {% endhighlight %}
 
@@ -64,8 +64,8 @@ There is a quicker way of checking that a player has all the required privileges
 
 {% highlight lua %}
 local has, missing = minetest.check_player_privs(player_or_name,  {
-	interact = true,
-	vote = true })
+    interact = true,
+    vote = true })
 {% endhighlight %}
 
 `has` is true if the player has all the privileges needed.\\
@@ -74,18 +74,18 @@ of missing privileges<sup>[checking needed]</sup>.
 
 {% highlight lua %}
 if minetest.check_player_privs(name, {interact=true, vote=true}) then
-	print("Player has all privs!")
+    print("Player has all privs!")
 else
-	print("Player is missing some privs!")
+    print("Player is missing some privs!")
 end
 
 local has, missing = minetest.check_player_privs(name, {
-	interact = true,
-	vote = true })
+    interact = true,
+    vote = true })
 if has then
-	print("Player has all privs!")
+    print("Player has all privs!")
 else
-	print("Player is missing privs: " .. dump(missing))
+    print("Player is missing privs: " .. dump(missing))
 end
 {% endhighlight %}
 
@@ -103,9 +103,9 @@ Running that example may give the following:
 
 {% highlight lua %}
 {
-	fly = true,
-	interact = true,
-	shout = true
+    fly = true,
+    interact = true,
+    shout = true
 }
 {% endhighlight %}
 
@@ -113,8 +113,8 @@ To set a player's privs, you use `minetest.set_player_privs`:
 
 {% highlight lua %}
 minetest.set_player_privs(name, {
-	interact = true,
-	shout = true })
+    interact = true,
+    shout = true })
 {% endhighlight %}
 
 To grant a player some privs, you would use a mixture of those two:
@@ -128,12 +128,12 @@ minetest.set_player_privs(name, privs)
 ## Adding privileges to basic_privs
 
 <div class="notice">
-	<h2>Workaround / PR pending</h2>
+    <h2>Workaround / PR pending</h2>
 
-	This is a workaround for a missing feature.
-	I have submitted a
-	<a href="https://github.com/minetest/minetest/pull/3976">pull request / patch</a>
-	to make it so you don't need to edit builtin to add a priv to basic_privs.
+    This is a workaround for a missing feature.
+    I have submitted a
+    <a href="https://github.com/minetest/minetest/pull/3976">pull request / patch</a>
+    to make it so you don't need to edit builtin to add a priv to basic_privs.
 </div>
 
 To allow people with basic_privs to grant and revoke your priv, you'll
@@ -143,8 +143,8 @@ In both grant and revoke, change the following if statement:
 
 {% highlight lua %}
 if priv ~= "interact" and priv ~= "shout" and
-		not core.check_player_privs(name, {privs=true}) then
-	return false, "Your privileges are insufficient."
+        not core.check_player_privs(name, {privs=true}) then
+    return false, "Your privileges are insufficient."
 end
 {% endhighlight %}
 
@@ -152,7 +152,7 @@ For example, to add vote:
 
 {% highlight lua %}
 if priv ~= "interact" and priv ~= "shout" and priv ~= "vote" and
-		not core.check_player_privs(name, {privs=true}) then
-	return false, "Your privileges are insufficient."
+        not core.check_player_privs(name, {privs=true}) then
+    return false, "Your privileges are insufficient."
 end
 {% endhighlight %}
diff --git a/en/chapters/releasing.md b/en/chapters/releasing.md
index 95c603a..8b5ebd1 100644
--- a/en/chapters/releasing.md
+++ b/en/chapters/releasing.md
@@ -42,29 +42,29 @@ You license your code under LGPL 2.1 and your art under CC-BY-SA.
 
 Add this copyright notice to your README.txt, or as a new file called LICENSE.txt
 
-	License for Code
-	----------------
+    License for Code
+    ----------------
 
-	Copyright (C) 2010-2013 Your Name <emailaddress>
+    Copyright (C) 2010-2013 Your Name <emailaddress>
 
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU Lesser General Public License as published by
-	the Free Software Foundation; either version 2.1 of the License, or
-	(at your option) any later version.
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 2.1 of the License, or
+    (at your option) any later version.
 
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU Lesser General Public License for more details.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
 
-	You should have received a copy of the GNU Lesser General Public License along
-	with this program; if not, write to the Free Software Foundation, Inc.,
-	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+    You should have received a copy of the GNU Lesser General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-	License for Textures, Models and Sounds
-	---------------------------------------
+    License for Textures, Models and Sounds
+    ---------------------------------------
 
-	CC-BY-SA 3.0 UNPORTED. Created by Your Name
+    CC-BY-SA 3.0 UNPORTED. Created by Your Name
 
 ### WTFPL or CC0
 
@@ -97,8 +97,8 @@ Be concise without being too vague. This is displayed in the mod store.
 
 For example:
 
-	GOOD: Adds soups, cakes, bakes and juices. The food mod which supports the most ingredients.
-	BAD:  The food mod for Minetest.
+    GOOD: Adds soups, cakes, bakes and juices. The food mod which supports the most ingredients.
+    BAD:  The food mod for Minetest.
 
 ### screenshot.png
 
@@ -152,10 +152,10 @@ On the create a topic page, see below, go to the "Upload Attachment" tab at the
 Click browse and select the zipped file. I suggest that you enter the version of your mod in the comment field.
 
 <figure>
-	<img src="{{ page.root }}/static/releasing_attachments.png" alt="Upload Attachment">
-	<figcaption>
-		Upload Attachment tab.
-	</figcaption>
+    <img src="{{ page.root }}/static/releasing_attachments.png" alt="Upload Attachment">
+    <figcaption>
+        Upload Attachment tab.
+    </figcaption>
 </figure>
 
 ## Forum Topic
@@ -184,30 +184,30 @@ You should also include screenshots of your mod in action, if relevant.
 Here is an example. The Minetest forum uses bbcode for formating.
 
 
-	Adds magic, rainbows and other special things.
+    Adds magic, rainbows and other special things.
 
-	See download attached.
+    See download attached.
 
-	[b]Version:[/b] 1.1
-	[b]License:[/b] LGPL 2.1 or later
+    [b]Version:[/b] 1.1
+    [b]License:[/b] LGPL 2.1 or later
 
-	Dependencies: default mod (found in minetest_game)
+    Dependencies: default mod (found in minetest_game)
 
-	Report bugs or request help on the forum topic.
+    Report bugs or request help on the forum topic.
 
-	[h]Installation[/h]
+    [h]Installation[/h]
 
-	Unzip the archive, rename the folder to to modfoldername and
-	place it in minetest/mods/minetest/
+    Unzip the archive, rename the folder to to modfoldername and
+    place it in minetest/mods/minetest/
 
-	(  GNU/Linux: If you use a system-wide installation place
-		it in ~/.minetest/mods/minetest/.  )
+    (  GNU/Linux: If you use a system-wide installation place
+        it in ~/.minetest/mods/minetest/.  )
 
-	(  If you only want this to be used in a single world, place
-		the folder in worldmods/ in your worlddirectory.  )
+    (  If you only want this to be used in a single world, place
+        the folder in worldmods/ in your worlddirectory.  )
 
-	For further information or help see:
-	[url]http://wiki.minetest.com/wiki/Installing_Mods[/url]
+    For further information or help see:
+    [url]http://wiki.minetest.com/wiki/Installing_Mods[/url]
 
 If you modify the above example for your mod topic, remember to
 change "modfldername" to the name of the folder your mod should be
@@ -224,16 +224,16 @@ Subject of topic must be in one of these formats:
 ### Profit
 
 <figure>
-	<img src="{{ page.root }}/static/releasing_profit.png" alt="Profit">
-	<figcaption style="display:none;">
-		Profit
-	</figcaption>
+    <img src="{{ page.root }}/static/releasing_profit.png" alt="Profit">
+    <figcaption style="display:none;">
+        Profit
+    </figcaption>
 </figure>
 
 ## Appendix: Readme and Forum Generator
 
 <noscript>
-	<p>Javascript is required for this section!</p>
+    <p>Javascript is required for this section!</p>
 </noscript>
 
 Title: <input id="t_title" value="My Super Special Mod"><br />
@@ -264,10 +264,10 @@ Unzip the archive, rename the folder to mysuperspecial and
 place it in minetest/mods/
 
 (  GNU/Linux: If you use a system-wide installation place
-	it in ~/.minetest/mods/.  )
+    it in ~/.minetest/mods/.  )
 
 (  If you only want this to be used in a single world, place
-	the folder in worldmods/ in your worlddirectory.  )
+    the folder in worldmods/ in your worlddirectory.  )
 
 For further information or help see:
 http://wiki.minetest.com/wiki/Installing_Mods</code></pre>
@@ -287,92 +287,92 @@ Unzip the archive, rename the folder to mysuperspecial and
 place it in minetest/mods/
 
 (  GNU/Linux: If you use a system-wide installation place
-	it in ~/.minetest/mods/.  )
+    it in ~/.minetest/mods/.  )
 
 (  If you only want this to be used in a single world, place
-	the folder in worldmods/ in your worlddirectory.  )
+    the folder in worldmods/ in your worlddirectory.  )
 
 For further information or help see:
 http://wiki.minetest.com/wiki/Installing_Mods</code></pre>
 
 <script src="http://blog.rubenwardy.com/static/jquery.min.js"></script>
 <script>function regen() {
-	var title = $("#t_title").val();
-	var name = $("#t_name").val();
-	var desc = $("#t_desc").val();
-	var version = $("#t_version").val();
-	var license = $("#t_license").val();
-	var dep = $("#t_dep").val();
-	var add = $("#t_add").val();
+    var title = $("#t_title").val();
+    var name = $("#t_name").val();
+    var desc = $("#t_desc").val();
+    var version = $("#t_version").val();
+    var license = $("#t_license").val();
+    var dep = $("#t_dep").val();
+    var add = $("#t_add").val();
 
-	var download = $("#t_download").val();
+    var download = $("#t_download").val();
 
-	{
-		var res = ((title.length > 0) ? title : name) + "\n";
-		var header_count = res.length - 1;
-		for (var i = 0; i < header_count; i++) {
-			res += "=";
-		}
-		res += "\n\n";
+    {
+        var res = ((title.length > 0) ? title : name) + "\n";
+        var header_count = res.length - 1;
+        for (var i = 0; i < header_count; i++) {
+            res += "=";
+        }
+        res += "\n\n";
 
-		res += desc + "\n\n";
+        res += desc + "\n\n";
 
-		if (version != "") {
-			res += "Version: " + version + "\n";
-		}
+        if (version != "") {
+            res += "Version: " + version + "\n";
+        }
 
-		res += "License: " + license + "\n";
-		res += "Dependencies: " + dep + "\n\n";
+        res += "License: " + license + "\n";
+        res += "Dependencies: " + dep + "\n\n";
 
-		if (add != "") {
-			res += add + "\n\n";
-		}
+        if (add != "") {
+            res += add + "\n\n";
+        }
 
-		res += "Installation\n------------\n\nUnzip the archive, rename the folder to ";
-		res += name + " and\nplace it in minetest/mods/\n\n";
+        res += "Installation\n------------\n\nUnzip the archive, rename the folder to ";
+        res += name + " and\nplace it in minetest/mods/\n\n";
 
-		res += "(  GNU/Linux: If you use a system-wide installation place\n" +
-			"\tit in ~/.minetest/mods/.  )\n\n" +
-			"(  If you only want this to be used in a single world, place\n" +
-			"\tthe folder in worldmods/ in your worlddirectory.  )\n\n" +
-			"For further information or help see:\n" +
-			"http://wiki.minetest.com/wiki/Installing_Mods\n";
+        res += "(  GNU/Linux: If you use a system-wide installation place\n" +
+            "\tit in ~/.minetest/mods/.  )\n\n" +
+            "(  If you only want this to be used in a single world, place\n" +
+            "\tthe folder in worldmods/ in your worlddirectory.  )\n\n" +
+            "For further information or help see:\n" +
+            "http://wiki.minetest.com/wiki/Installing_Mods\n";
 
-		$("#readme").text(res);
-	}
+        $("#readme").text(res);
+    }
 
-	{
-		var res = desc + "\n\n";
+    {
+        var res = desc + "\n\n";
 
-		if (version != "") {
-			res += "[b]Version:[/b] " + version + "\n";
-		}
+        if (version != "") {
+            res += "[b]Version:[/b] " + version + "\n";
+        }
 
-		res += "[b]License:[/b] " + license + "\n";
-		res += "[b]Dependencies:[/b] " + dep + "\n";
+        res += "[b]License:[/b] " + license + "\n";
+        res += "[b]Dependencies:[/b] " + dep + "\n";
 
-		res += "[b]Download:[/b] " + download + "\n\n";
+        res += "[b]Download:[/b] " + download + "\n\n";
 
-		if (add != "") {
-			res += add + "\n\n";
-		}
+        if (add != "") {
+            res += add + "\n\n";
+        }
 
-		res += "[h]Installation[/h]\n\nUnzip the archive, rename the folder to ";
-		res += name + " and\nplace it in minetest/mods/\n\n";
+        res += "[h]Installation[/h]\n\nUnzip the archive, rename the folder to ";
+        res += name + " and\nplace it in minetest/mods/\n\n";
 
-		res += "(  GNU/Linux: If you use a system-wide installation place\n" +
-			"\tit in ~/.minetest/mods/.  )\n\n" +
-			"(  If you only want this to be used in a single world, place\n" +
-			"\tthe folder in worldmods/ in your worlddirectory.  )\n\n" +
-			"For further information or help see:\n" +
-			"http://wiki.minetest.com/wiki/Installing_Mods\n";
+        res += "(  GNU/Linux: If you use a system-wide installation place\n" +
+            "\tit in ~/.minetest/mods/.  )\n\n" +
+            "(  If you only want this to be used in a single world, place\n" +
+            "\tthe folder in worldmods/ in your worlddirectory.  )\n\n" +
+            "For further information or help see:\n" +
+            "http://wiki.minetest.com/wiki/Installing_Mods\n";
 
-		$("#forum").text(res);
-	}
+        $("#forum").text(res);
+    }
 }
 
 $(function() {
-	jQuery('input').on('input propertychange paste', regen);
-	jQuery('textarea').on('input propertychange paste', regen);
+    jQuery('input').on('input propertychange paste', regen);
+    jQuery('textarea').on('input propertychange paste', regen);
 });
 </script>
diff --git a/en/index.md b/en/index.md
index 49c4944..658a979 100644
--- a/en/index.md
+++ b/en/index.md
@@ -45,12 +45,12 @@ Written by rubenwardy.\\
 License: [CC-BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/)
 
 <!--<form class="leave_comment" action="http://pooleapp.com/stash/74bf2dfb-4c01-423c-b48a-e002ed70bbc1/" method="post">
-	<input type="hidden" name="redirect_to"
-			value="http://rubenwardy.com/minetest_modding_book/thank_you.html" />
-	Nickname (optional): <input class="name" name="name" placeholder="Your Name" type="text"><br />
-	Contact method (email or forum name, optional): <input name="contact" type="text"><br />
-	Feedback:
-	<textarea name="comment" required="" style="display:block;min-width: 90%;min-height:100px;"></textarea>
+    <input type="hidden" name="redirect_to"
+            value="http://rubenwardy.com/minetest_modding_book/thank_you.html" />
+    Nickname (optional): <input class="name" name="name" placeholder="Your Name" type="text"><br />
+    Contact method (email or forum name, optional): <input name="contact" type="text"><br />
+    Feedback:
+    <textarea name="comment" required="" style="display:block;min-width: 90%;min-height:100px;"></textarea>
 
-	<input value="Leave Feedback" type="submit">
+    <input value="Leave Feedback" type="submit">
 </form>-->