diff --git a/client/shaders/fxaa/opengl_fragment.glsl b/client/shaders/fxaa/opengl_fragment.glsl
index 130e689ea..f70064b6d 100644
--- a/client/shaders/fxaa/opengl_fragment.glsl
+++ b/client/shaders/fxaa/opengl_fragment.glsl
@@ -58,11 +58,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     #define FXAA_SPAN_MAX     8.0
 #endif
 
-//optimized version for mobile, where dependent 
+//optimized version for mobile, where dependent
 //texture reads can be a bottleneck
 vec4 fxaa(sampler2D tex, vec2 fragCoord, vec2 inverseVP,
-            vec2 v_rgbNW, vec2 v_rgbNE, 
-            vec2 v_rgbSW, vec2 v_rgbSE, 
+            vec2 v_rgbNW, vec2 v_rgbNE,
+            vec2 v_rgbSW, vec2 v_rgbSE,
             vec2 v_rgbM) {
     vec4 color;
     vec3 rgbNW = texture2D(tex, v_rgbNW).xyz;
@@ -111,6 +111,6 @@ void main(void)
 {
 	vec2 uv = varTexCoord.st;
 
-	gl_FragColor = fxaa(rendered, uv, texelSize0, 
+	gl_FragColor = fxaa(rendered, uv, texelSize0,
 		sampleNW, sampleNE, sampleSW, sampleSE, uv);
 }
diff --git a/client/shaders/fxaa/opengl_vertex.glsl b/client/shaders/fxaa/opengl_vertex.glsl
index 26913c28e..68bb36d1c 100644
--- a/client/shaders/fxaa/opengl_vertex.glsl
+++ b/client/shaders/fxaa/opengl_vertex.glsl
@@ -12,7 +12,7 @@ varying vec2 sampleSW;
 varying vec2 sampleSE;
 
 /*
-Based on 
+Based on
 https://github.com/mattdesl/glsl-fxaa/
 Portions Copyright (c) 2011 by Armin Ronacher.
 */
diff --git a/doc/client_lua_api.md b/doc/client_lua_api.md
index fac3f7b93..08d0317ab 100644
--- a/doc/client_lua_api.md
+++ b/doc/client_lua_api.md
@@ -315,7 +315,7 @@ Call these functions only at load time!
 
 * `minetest.register_globalstep(function(dtime))`
     * Called every client environment step
-	* `dtime` is the time since last execution in seconds.
+    * `dtime` is the time since last execution in seconds.
 * `minetest.register_on_mods_loaded(function())`
     * Called just after mods have finished loading.
 * `minetest.register_on_shutdown(function())`
@@ -586,9 +586,9 @@ Call these functions only at load time!
 * `minetest.camera`
     * Reference to the camera object. See [`Camera`](#camera) class reference for methods.
 * `minetest.show_formspec(formname, formspec)` : returns true on success
-	* Shows a formspec to the player
+    * Shows a formspec to the player
 * `minetest.display_chat_message(message)` returns true on success
-	* Shows a chat message to the current player.
+    * Shows a chat message to the current player.
 
 Setting-related
 ---------------
@@ -866,9 +866,9 @@ It can be created via `Raycast(pos1, pos2, objects, liquids)` or
 -----------------
 ### Definitions
 * `minetest.get_node_def(nodename)`
-	* Returns [node definition](#node-definition) table of `nodename`
+    * Returns [node definition](#node-definition) table of `nodename`
 * `minetest.get_item_def(itemstring)`
-	* Returns item definition table of `itemstring`
+    * Returns item definition table of `itemstring`
 
 #### Node Definition
 
@@ -971,10 +971,10 @@ It can be created via `Raycast(pos1, pos2, objects, liquids)` or
 
 ```lua
 {
-	address = "minetest.example.org", -- The domain name/IP address of a remote server or "" for a local server.
-	ip = "203.0.113.156",             -- The IP address of the server.
-	port = 30000,                     -- The port the client is connected to.
-	protocol_version = 30             -- Will not be accurate at start up as the client might not be connected to the server yet, in that case it will be 0.
+    address = "minetest.example.org", -- The domain name/IP address of a remote server or "" for a local server.
+    ip = "203.0.113.156",             -- The IP address of the server.
+    port = 30000,                     -- The port the client is connected to.
+    protocol_version = 30             -- Will not be accurate at start up as the client might not be connected to the server yet, in that case it will be 0.
 }
 ```
 
diff --git a/doc/lua_api.md b/doc/lua_api.md
index 6d486b56b..b37959eed 100644
--- a/doc/lua_api.md
+++ b/doc/lua_api.md
@@ -3658,7 +3658,7 @@ Player Inventory lists
 * `hand`: list containing an override for the empty hand
     * Is not created automatically, use `InvRef:set_size`
     * Is only used to enhance the empty hand's tool capabilities
- 
+
 Custom lists can be added and deleted with `InvRef:set_size(name, size)` like
 any other inventory.
 
@@ -3854,8 +3854,8 @@ vectors are written like this: `(x, y, z)`:
     * Returns a vector where the function `func` has been applied to each
       component.
 * `vector.combine(v, w, func)`:
-	* Returns a vector where the function `func` has combined both components of `v` and `w`
-	  for each component
+    * Returns a vector where the function `func` has combined both components of `v` and `w`
+      for each component
 * `vector.equals(v1, v2)`:
     * Returns a boolean, `true` if the vectors are identical.
 * `vector.sort(v1, v2)`:
@@ -3873,10 +3873,10 @@ vectors are written like this: `(x, y, z)`:
       by a `vector.*` function.
     * Returns `false` for anything else, including tables like `{x=3,y=1,z=4}`.
 * `vector.in_area(pos, min, max)`:
-	* Returns a boolean value indicating if `pos` is inside area formed by `min` and `max`.
-	* `min` and `max` are inclusive.
-	* If `min` is bigger than `max` on some axis, function always returns false.
-	* You can use `vector.sort` if you have two vectors and don't know which are the minimum and the maximum.
+    * Returns a boolean value indicating if `pos` is inside area formed by `min` and `max`.
+    * `min` and `max` are inclusive.
+    * If `min` is bigger than `max` on some axis, function always returns false.
+    * You can use `vector.sort` if you have two vectors and don't know which are the minimum and the maximum.
 
 For the following functions `x` can be either a vector or a number:
 
@@ -5076,12 +5076,12 @@ Callbacks:
       used for updating the entity state.
 * `on_deactivate(self, removal)`
     * Called when the object is about to get removed or unloaded.
-	* `removal`: boolean indicating whether the object is about to get removed.
-	  Calling `object:remove()` on an active object will call this with `removal=true`.
-	  The mapblock the entity resides in being unloaded will call this with `removal=false`.
-	* Note that this won't be called if the object hasn't been activated in the first place.
-	  In particular, `minetest.clear_objects({mode = "full"})` won't call this,
-	  whereas `minetest.clear_objects({mode = "quick"})` might call this.
+    * `removal`: boolean indicating whether the object is about to get removed.
+      Calling `object:remove()` on an active object will call this with `removal=true`.
+      The mapblock the entity resides in being unloaded will call this with `removal=false`.
+    * Note that this won't be called if the object hasn't been activated in the first place.
+      In particular, `minetest.clear_objects({mode = "full"})` won't call this,
+      whereas `minetest.clear_objects({mode = "quick"})` might call this.
 * `on_step(self, dtime, moveresult)`
     * Called on every server tick, after movement and collision processing.
     * `dtime`: elapsed time since last call
@@ -5723,7 +5723,7 @@ Call these functions only at load time!
 
 * `minetest.register_globalstep(function(dtime))`
     * Called every server step, usually interval of 0.1s.
-	* `dtime` is the time since last execution in seconds.
+    * `dtime` is the time since last execution in seconds.
 * `minetest.register_on_mods_loaded(function())`
     * Called after mods have finished loading and before the media is cached or the
       aliases handled.
@@ -6151,7 +6151,7 @@ Environment access
     * **Warning**: The same warning as for `minetest.get_objects_inside_radius` applies.
       Use `minetest.objects_in_area` instead to iterate only valid objects.
 * `minetest.objects_in_area(min_pos, max_pos)`
-	* returns an iterator of valid objects
+    * returns an iterator of valid objects
 * `minetest.set_timeofday(val)`: set time of day
     * `val` is between `0` and `1`; `0` for midnight, `0.5` for midday
 * `minetest.get_timeofday()`: get time of day
@@ -7961,13 +7961,13 @@ child will follow movement and rotation of that bone.
     object.
 * `set_detach()`: Detaches object. No-op if object was not attached.
 * `set_bone_position([bone, position, rotation])`
-	* Shorthand for `set_bone_override(bone, {position = position, rotation = rotation:apply(math.rad)})` using absolute values.
-	* **Note:** Rotation is in degrees, not radians.
-	* **Deprecated:** Use `set_bone_override` instead.
+    * Shorthand for `set_bone_override(bone, {position = position, rotation = rotation:apply(math.rad)})` using absolute values.
+    * **Note:** Rotation is in degrees, not radians.
+    * **Deprecated:** Use `set_bone_override` instead.
 * `get_bone_position(bone)`: returns the previously set position and rotation of the bone
-	* Shorthand for `get_bone_override(bone).position.vec, get_bone_override(bone).rotation.vec:apply(math.deg)`.
-	* **Note:** Returned rotation is in degrees, not radians.
-	* **Deprecated:** Use `get_bone_override` instead.
+    * Shorthand for `get_bone_override(bone).position.vec, get_bone_override(bone).rotation.vec:apply(math.deg)`.
+    * **Note:** Returned rotation is in degrees, not radians.
+    * **Deprecated:** Use `get_bone_override` instead.
 * `set_bone_override(bone, override)`
     * `bone`: string
     * `override`: `{ position = property, rotation = property, scale = property }` or `nil`
@@ -7984,7 +7984,7 @@ child will follow movement and rotation of that bone.
     * Compatibility note: Clients prior to 5.9.0 only support absolute position and rotation.
       All values are treated as absolute and are set immediately (no interpolation).
 * `get_bone_override(bone)`: returns `override` in the above format
-	* **Note:** Unlike `get_bone_position`, the returned rotation is in radians, not degrees.
+    * **Note:** Unlike `get_bone_position`, the returned rotation is in radians, not degrees.
 * `get_bone_overrides()`: returns all bone overrides as table `{[bonename] = override, ...}`
 * `set_properties(object property table)`
 * `get_properties()`: returns a table of all object properties
@@ -8081,8 +8081,8 @@ child will follow movement and rotation of that bone.
         * Fifth column:  subject viewed from above
         * Sixth column:  subject viewed from below
 * `get_luaentity()`:
-	* Returns the object's associated luaentity table, if there is one
-	* Otherwise returns `nil` (e.g. for players)
+    * Returns the object's associated luaentity table, if there is one
+    * Otherwise returns `nil` (e.g. for players)
 * `get_entity_name()`:
     * **Deprecated**: Will be removed in a future version,
       use `:get_luaentity().name` instead.
diff --git a/doc/world_format.md b/doc/world_format.md
index b5a2a3cfa..93920f391 100644
--- a/doc/world_format.md
+++ b/doc/world_format.md
@@ -394,7 +394,7 @@ Timestamp and node ID mappings were introduced in map format version 29.
 
 * `u8` `name_id_mapping_version`
     * Should be zero for map format version 29.
-  
+
 * `u16` `num_name_id_mappings`
     * foreach `num_name_id_mappings`:
         * `u16` `id`
diff --git a/irr/README.md b/irr/README.md
index 96d3b0d97..640b82c6f 100644
--- a/irr/README.md
+++ b/irr/README.md
@@ -25,7 +25,7 @@ Aside from standard search options (`ZLIB_INCLUDE_DIR`, `ZLIB_LIBRARY`, ...) the
 * `USE_SDL2` (default: platform-dependent, usually `ON`) - Use SDL2 instead of older native device code
 
 However, IrrlichtMt cannot be built or installed separately.
-	
+
 Platforms
 ---------
 
diff --git a/lib/gmp/mini-gmp.c b/lib/gmp/mini-gmp.c
index 69a72bfd4..ef9010be2 100644
--- a/lib/gmp/mini-gmp.c
+++ b/lib/gmp/mini-gmp.c
@@ -55,7 +55,7 @@ see https://www.gnu.org/licenses/.  */
 #include <float.h>
 #endif
 
-
+
 /* Macros */
 #define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT)
 
@@ -283,7 +283,7 @@ see https://www.gnu.org/licenses/.  */
 
 const int mp_bits_per_limb = GMP_LIMB_BITS;
 
-
+
 /* Memory allocation and other helper functions. */
 static void
 gmp_die (const char *msg)
@@ -384,7 +384,7 @@ gmp_free_limbs (mp_ptr old, mp_size_t size)
   gmp_free (old, size * sizeof (mp_limb_t));
 }
 
-
+
 /* MPN interface */
 
 void
@@ -777,7 +777,7 @@ mpn_neg (mp_ptr rp, mp_srcptr up, mp_size_t n)
   return 1;
 }
 
-
+
 /* MPN division interface. */
 
 /* The 3/2 inverse is defined as
@@ -1169,7 +1169,7 @@ mpn_div_qr (mp_ptr qp, mp_ptr np, mp_size_t nn, mp_srcptr dp, mp_size_t dn)
     gmp_free_limbs (tp, dn);
 }
 
-
+
 /* MPN base conversion. */
 static unsigned
 mpn_base_power_of_two_p (unsigned b)
@@ -1425,7 +1425,7 @@ mpn_set_str (mp_ptr rp, const unsigned char *sp, size_t sn, int base)
     }
 }
 
-
+
 /* MPZ interface */
 void
 mpz_init (mpz_t r)
@@ -1480,7 +1480,7 @@ mpz_realloc (mpz_t r, mp_size_t size)
 #define MPZ_REALLOC(z,n) ((n) > (z)->_mp_alloc			\
 			  ? mpz_realloc(z,n)			\
 			  : (z)->_mp_d)
-
+
 /* MPZ assignment and basic conversions. */
 void
 mpz_set_si (mpz_t r, signed long int x)
@@ -1704,7 +1704,7 @@ mpz_roinit_n (mpz_t x, mp_srcptr xp, mp_size_t xs)
   return x;
 }
 
-
+
 /* Conversions and comparison to double. */
 void
 mpz_set_d (mpz_t r, double x)
@@ -1862,7 +1862,7 @@ mpz_cmp_d (const mpz_t x, double d)
     }
 }
 
-
+
 /* MPZ comparisons and the like. */
 int
 mpz_sgn (const mpz_t u)
@@ -1950,7 +1950,7 @@ mpz_swap (mpz_t u, mpz_t v)
   MPN_PTR_SWAP (u->_mp_d, u->_mp_size, v->_mp_d, v->_mp_size);
 }
 
-
+
 /* MPZ addition and subtraction */
 
 
@@ -2050,7 +2050,7 @@ mpz_sub (mpz_t r, const mpz_t a, const mpz_t b)
   r->_mp_size = a->_mp_size >= 0 ? rn : - rn;
 }
 
-
+
 /* MPZ multiplication */
 void
 mpz_mul_si (mpz_t r, const mpz_t u, long int v)
@@ -2186,7 +2186,7 @@ mpz_submul (mpz_t r, const mpz_t u, const mpz_t v)
   mpz_clear (t);
 }
 
-
+
 /* MPZ division */
 enum mpz_div_round_mode { GMP_DIV_FLOOR, GMP_DIV_CEIL, GMP_DIV_TRUNC };
 
@@ -2661,7 +2661,7 @@ mpz_divisible_ui_p (const mpz_t n, unsigned long d)
   return mpz_div_qr_ui (NULL, NULL, n, d, GMP_DIV_TRUNC) == 0;
 }
 
-
+
 /* GCD */
 static mp_limb_t
 mpn_gcd_11 (mp_limb_t u, mp_limb_t v)
@@ -3054,7 +3054,7 @@ mpz_invert (mpz_t r, const mpz_t u, const mpz_t m)
   return invertible;
 }
 
-
+
 /* Higher level operations (sqrt, pow and root) */
 
 void
@@ -3334,7 +3334,7 @@ mpn_sqrtrem (mp_ptr sp, mp_ptr rp, mp_srcptr p, mp_size_t n)
   mpz_clear (r);
   return res;
 }
-
+
 /* Combinatorics */
 
 void
@@ -3378,7 +3378,7 @@ mpz_bin_uiui (mpz_t r, unsigned long n, unsigned long k)
   mpz_clear (t);
 }
 
-
+
 /* Primality testing */
 
 /* Computes Kronecker (a/b) with odd b, a!=0 and GCD(a,b) = 1 */
@@ -3646,7 +3646,7 @@ mpz_probab_prime_p (const mpz_t n, int reps)
   return is_prime;
 }
 
-
+
 /* Logical operations and bit manipulation. */
 
 /* Numbers are treated as if represented in two's complement (and
@@ -4183,7 +4183,7 @@ mpz_scan0 (const mpz_t u, mp_bitcnt_t starting_bit)
   return mpn_common_scan (limb, i, up, un, ux);
 }
 
-
+
 /* MPZ base conversion. */
 
 size_t
@@ -4443,7 +4443,7 @@ mpz_out_str (FILE *stream, int base, const mpz_t x)
   return n;
 }
 
-
+
 static int
 gmp_detect_endian (void)
 {
diff --git a/src/client/game.cpp b/src/client/game.cpp
index 0906e9ca9..41c7972cb 100644
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -1446,7 +1446,7 @@ void Game::copyServerClientCache()
 {
 	// It would be possible to let the client directly read the media files
 	// from where the server knows they are. But aside from being more complicated
-	// it would also *not* fill the media cache and cause slower joining of 
+	// it would also *not* fill the media cache and cause slower joining of
 	// remote servers.
 	// (Imagine that you launch a game once locally and then connect to a server.)
 
diff --git a/src/client/mesh.h b/src/client/mesh.h
index 0c3e8942e..106787af3 100644
--- a/src/client/mesh.h
+++ b/src/client/mesh.h
@@ -139,5 +139,5 @@ bool checkMeshNormals(scene::IMesh *mesh);
 	Set the MinFilter, MagFilter and AnisotropicFilter properties of a texture
 	layer according to the three relevant boolean values found in the Minetest
 	settings.
-*/ 
+*/
 void setMaterialFilters(video::SMaterialLayer &tex, bool bilinear, bool trilinear, bool anisotropic);
diff --git a/src/client/shadows/dynamicshadowsrender.cpp b/src/client/shadows/dynamicshadowsrender.cpp
index 1f49eed09..91992bc08 100644
--- a/src/client/shadows/dynamicshadowsrender.cpp
+++ b/src/client/shadows/dynamicshadowsrender.cpp
@@ -140,7 +140,7 @@ void ShadowRenderer::initialize()
 	}
 
 	createShaders();
-	
+
 
 	m_texture_format = m_shadow_map_texture_32bit
 					   ? video::ECOLOR_FORMAT::ECF_R32F
diff --git a/src/script/lua_api/l_noise.cpp b/src/script/lua_api/l_noise.cpp
index 84da720db..9836f4b09 100644
--- a/src/script/lua_api/l_noise.cpp
+++ b/src/script/lua_api/l_noise.cpp
@@ -542,9 +542,9 @@ int LuaPcgRandom::l_set_state(lua_State *L)
 	u64 state[2];
 	s_state_0 >> std::hex >> state[0];
 	s_state_1 >> std::hex >> state[1];
-	
+
 	o->m_rnd.setState(state);
-	
+
 	return 0;
 }
 
diff --git a/src/server/activeobjectmgr.cpp b/src/server/activeobjectmgr.cpp
index c6f1010ea..f0216d9e3 100644
--- a/src/server/activeobjectmgr.cpp
+++ b/src/server/activeobjectmgr.cpp
@@ -91,7 +91,7 @@ bool ActiveObjectMgr::registerObject(std::unique_ptr<ServerActiveObject> obj)
 		return false;
 	}
 
-	auto obj_id = obj->getId(); 
+	auto obj_id = obj->getId();
 	m_active_objects.put(obj_id, std::move(obj));
 
 	auto new_size = m_active_objects.size();
diff --git a/src/servermap.cpp b/src/servermap.cpp
index eeabd74f9..0248497c1 100644
--- a/src/servermap.cpp
+++ b/src/servermap.cpp
@@ -52,7 +52,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #endif
 
 /*
-	ServerMap	
+	ServerMap
 */
 
 ServerMap::ServerMap(const std::string &savedir, IGameDef *gamedef,