diff --git a/airport_gui.c b/airport_gui.c
index 107b493d9d..9c8fcb2f6c 100644
--- a/airport_gui.c
+++ b/airport_gui.c
@@ -203,7 +203,7 @@ static void BuildAirportPickerWndProc(Window *w, WindowEvent *e)
 
 		CheckRedrawStationCoverage(w);
 	} break;
-	
+
 	case WE_DESTROY:
 		ResetObjectToPlace();
 		break;
diff --git a/console.c b/console.c
index b1c2b4eebb..84bb97bcdb 100644
--- a/console.c
+++ b/console.c
@@ -1089,7 +1089,7 @@ void IConsoleCmdExec(const char* cmdstr)
 	uint c;
 	uint i;
 	uint l;
-	
+
 	if (strlen(cmdstr) == 0) // only execute if there is something typed obviously
 		return;
 
diff --git a/dedicated.c b/dedicated.c
index 414f2c394c..b05c3b5422 100644
--- a/dedicated.c
+++ b/dedicated.c
@@ -105,7 +105,7 @@ void WINAPI CheckForConsoleInput(void)
 void CreateWindowsConsoleThread(void)
 {
 	/* Create event to signal when console input is ready */
-	hEvent = CreateEvent(NULL, false, false, "keyboard input");    
+	hEvent = CreateEvent(NULL, false, false, "keyboard input");
 
 	hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CheckForConsoleInput, 0, 0, NULL);
 	if (hThread == NULL)
@@ -151,7 +151,7 @@ static void DedicatedVideoStop(void)
 #ifdef WIN32
 	CloseWindowsConsoleThread();
 #endif
-	free(_dedicated_video_mem); 
+	free(_dedicated_video_mem);
 }
 
 static void DedicatedVideoMakeDirty(int left, int top, int width, int height) {}
@@ -183,7 +183,7 @@ static bool InputWaiting(void)
 {
 	if (WaitForSingleObject(hEvent, 1) == WAIT_OBJECT_0)
 		return true;
-  
+
 	return false;
 }
 #endif
diff --git a/fileio.c b/fileio.c
index 9808f00617..c9fee6ba48 100644
--- a/fileio.c
+++ b/fileio.c
@@ -87,7 +87,7 @@ void FioReadBlock(void *ptr, uint size)
 static inline void FioCloseFile(int slot)
 {
 	if (_fio.handles[slot] != NULL) {
-		fclose(_fio.handles[slot]); 
+		fclose(_fio.handles[slot]);
 		_fio.handles[slot] = NULL;
 	}
 }
diff --git a/main_gui.c b/main_gui.c
index 299ffbb48a..e4baf33a1d 100644
--- a/main_gui.c
+++ b/main_gui.c
@@ -121,7 +121,7 @@ void HandleOnEditText(WindowEvent *e) {
  * @param cursor How should the cursor image change? E.g. cursor with depot image in it
  * @param mode Tile highlighting mode, e.g. drawing a rectangle or a dot on the ground
  * @param placeproc Procedure which will be called when someone clicks on the map
- 
+
  * @return true if the button is clicked, false if it's unclicked
  */
 
diff --git a/namegen.c b/namegen.c
index bac368e63a..17f6369537 100644
--- a/namegen.c
+++ b/namegen.c
@@ -13,7 +13,7 @@ static inline int32 SeedChanceBias(int shift_by, int max, uint32 seed, int bias)
 	return SeedChance(shift_by, max + bias, seed) - bias;
 }
 
-static void ReplaceWords(const char *org, const char *rep, char *buf) 
+static void ReplaceWords(const char *org, const char *rep, char *buf)
 {
 	if (strncmp(buf, org, 4) == 0) strncpy(buf, rep, 4);
 }
diff --git a/player_gui.c b/player_gui.c
index 69948269fc..4e2b854665 100644
--- a/player_gui.c
+++ b/player_gui.c
@@ -927,5 +927,5 @@ void ShowEndGameChart(void)
 			w->window_number = _opt.diff_level;
 			WP(w, highscore_d).rank = SaveHighScoreValue(p);
 		}
-	}		
+	}
 }
diff --git a/rail_cmd.c b/rail_cmd.c
index d39d5185b0..2356de2180 100644
--- a/rail_cmd.c
+++ b/rail_cmd.c
@@ -1140,7 +1140,7 @@ int32 CmdRemoveSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 
 	/* Do it? */
 	if (flags & DC_EXEC) {
-		
+
 		_map3_lo[tile] &= ~c;
 
 		/* removed last signal from tile? */
@@ -1149,7 +1149,7 @@ int32 CmdRemoveSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 			_map2[tile] &= ~0xF0;
 			CLRBIT(_map3_hi[tile], 2); // remove any possible semaphores
 		}
-		
+
 		SetSignalsOnBothDir(tile, track);
 
 		MarkTileDirtyByTile(tile);
@@ -1289,7 +1289,7 @@ regular_track:;
 				return CMD_ERROR;
 			cost += ret;
 		};
-		
+
 		m5 &= RAIL_BIT_MASK;
 		if (flags & DC_EXEC)
 			goto regular_track;
diff --git a/road_gui.c b/road_gui.c
index 046eb34f9f..ba17873f94 100644
--- a/road_gui.c
+++ b/road_gui.c
@@ -465,7 +465,7 @@ static void RoadStationPickerWndProc(Window *w, WindowEvent *e)
 
 		CheckRedrawStationCoverage(w);
 	} break;
-	
+
 	case WE_DESTROY:
 		ResetObjectToPlace();
 		break;
diff --git a/train_cmd.c b/train_cmd.c
index d862e21da1..debea41c8d 100644
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -367,7 +367,7 @@ int32 EstimateTrainCost(const RailVehicleInfo *rvi)
 	return (rvi->base_cost * (_price.build_railvehicle >> 3)) >> 5;
 }
 
-void AddRearEngineToMultiheadedTrain(Vehicle *v, Vehicle *u, bool building) 
+void AddRearEngineToMultiheadedTrain(Vehicle *v, Vehicle *u, bool building)
 {
 	u->direction = v->direction;
 	u->owner = v->owner;
@@ -387,7 +387,7 @@ void AddRearEngineToMultiheadedTrain(Vehicle *v, Vehicle *u, bool building)
 	if (building) v->next = u;
 	u->engine_type = v->engine_type;
 	u->build_year = v->build_year;
-	if (building) 
+	if (building)
 		v->value = u->value = v->value >> 1;
 	else
 		u->value = v->value;
@@ -2399,7 +2399,7 @@ static void HandleCrashedTrain(Vehicle *v)
 		ChangeTrainDirRandomly(v);
 	}
 
-	if (state >= 4440 && !(v->tick_counter&0x1F))		
+	if (state >= 4440 && !(v->tick_counter&0x1F))
 		DeleteLastWagon(v);
 }
 
diff --git a/ttd.c b/ttd.c
index 3ab4676a05..68b423d1d0 100644
--- a/ttd.c
+++ b/ttd.c
@@ -729,7 +729,7 @@ int ttd_main(int argc, char* argv[])
 			LoadIntroGame();
 			_switch_mode = SM_NONE;
 			NetworkClientConnectGame(network_conn, rport);
-		} 
+		}
 	}
 #endif /* ENABLE_NETWORK */
 
diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index 0c7aba7580..156ea8a23c 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -817,8 +817,8 @@ static int32 ClearTile_TunnelBridge(uint tile, byte flags) {
 			return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
 
 		return DoClearBridge(tile, flags);
-	} 
-	
+	}
+
 	return CMD_ERROR;
 }
 
diff --git a/vehicle.c b/vehicle.c
index 2677b28172..bc230838c6 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -1361,20 +1361,20 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	    settings, a vehicle can be replaced twice.. check if this is the situation here */
 	if (old_engine_type == new_engine_type && v->age == 0)
 		return CMD_ERROR;
-		
+
 	if ( v->type == VEH_Train ) {
 		u = GetLastVehicleInChain(v);
 		if ( RailVehInfo(new_engine_type)->flags & RVI_MULTIHEAD )
 			build_cost = build_cost >> 1;   //multiheaded engines have EstimateTrainCost() for both engines
-		
+
 		if ( old_engine_type != new_engine_type ) {
-		
+
 			// prevent that the rear engine can get replaced to something else than the front engine
 			if ( v->u.rail.first_engine != 0xffff && RailVehInfo(old_engine_type)->flags & RVI_MULTIHEAD && RailVehInfo(old_engine_type)->flags ) {
 				Vehicle *first = GetFirstVehicleInChain(v);
 				if ( first->engine_type != new_engine_type ) return CMD_ERROR;
 			}
-			
+
 			// checks if the engine is the first one
 			if ( v->u.rail.first_engine == 0xffff ) {
 				if ( RailVehInfo(new_engine_type)->flags & RVI_MULTIHEAD ) {
@@ -1431,7 +1431,7 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 
-	
+
 		if (v->engine_type != new_engine_type) {
 			byte sprite = v->spritenum;
 			byte cargo_type = v->cargo_type;
@@ -1471,7 +1471,7 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 				} else {
 					v->cargo_type = rvi->cargo_type;
 				}
-				
+
 				if ( rvi2->flags & RVI_MULTIHEAD && !(rvi->flags & RVI_MULTIHEAD) &&  v->index == first->index) {
 					if (old_engine_type == u->engine_type ) {
 						Vehicle *w;
@@ -1482,11 +1482,11 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 						DeleteVehicle(u);
 					}
 				}
-				
+
 				if ( rvi->flags & RVI_MULTIHEAD && rvi2->flags & RVI_MULTIHEAD &&  v->index == first->index ) {
 					CmdReplaceVehicle(x, y, flags, u->index, p2);
 				}
-				
+
 				if ( rvi->flags & RVI_MULTIHEAD && !(rvi2->flags & RVI_MULTIHEAD) &&  v->index == first->index ) {
 					if ( old_engine_type != u->engine_type ) {
 						Vehicle *w;
@@ -1496,7 +1496,7 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 						}
 					}
 				}
-				
+
 				// updates the id of the front engine in the other units, since the front engine just got a new engine_id
 				// this is needed for wagon override
 				if ( v->u.rail.first_engine == 0xffff && v->next != NULL ) {
@@ -1505,7 +1505,7 @@ int32 CmdReplaceVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 						veh->u.rail.first_engine = new_engine_type;
 					} while ( (veh=veh->next) != NULL );
 				}
-				
+
 				break;
 				}
 			case VEH_Road:
diff --git a/viewport.c b/viewport.c
index a612b9b422..78ac0fda35 100644
--- a/viewport.c
+++ b/viewport.c
@@ -689,7 +689,7 @@ static void DrawTileSelection(const TileInfo *ti)
 
 				diffx = myabs(TileX(start)-TileX(ti->tile));
 				diffy = myabs(TileY(start)-TileY(ti->tile));
-				
+
 				side = myabs( diffx-diffy );
 				if(dir<2) side = 0;
 
@@ -697,7 +697,7 @@ static void DrawTileSelection(const TileInfo *ti)
 
 				if (thd->make_square_red) image |= 0x3048000;
 				DrawSelectionSprite(image, ti);
-			} 
+			}
 		return;
 	}
 
@@ -1963,7 +1963,7 @@ void VpStartPreSizing(void)
 	_special_mouse_mode = WSM_PRESIZE;
 }
 
-/* returns information about the 2x1 piece to be build. 
+/* returns information about the 2x1 piece to be build.
  * The lower bits (0-3) are the track type. */
 static byte Check2x1AutoRail(int mode)
 {
@@ -2025,7 +2025,7 @@ static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int meth
 			b = (Check2x1AutoRail(3)) | HT_LINE;
 		else if (dx==-16)
 			b = (Check2x1AutoRail(2)) | HT_LINE;
-		else 
+		else
 			b = HT_LINE | HT_DIR_X;
 		y = thd->selstart.y;
 	} else if (w == 16) { // Or Y direction?
@@ -2033,7 +2033,7 @@ static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int meth
 			b = (Check2x1AutoRail(1)) | HT_LINE;
 		else if (dy==-16) // 2x1 other direction
 			b = (Check2x1AutoRail(0)) | HT_LINE;
-		else 
+		else
 			b = HT_LINE | HT_DIR_Y;
 		x = thd->selstart.x;
 	} else if (w > h * 2) { // still count as x dir?
@@ -2131,7 +2131,7 @@ void VpSelectTilesWithMethod(int x, int y, int method)
 	thd->selend.y = y;
 }
 
-// while dragging 
+// while dragging
 bool VpHandlePlaceSizingDrag(void)
 {
 	Window *w;
@@ -2160,7 +2160,7 @@ bool VpHandlePlaceSizingDrag(void)
 	// mouse button released..
 	// keep the selected tool, but reset it to the original mode.
 	_special_mouse_mode = WSM_NONE;
-	if (_thd.next_drawstyle == HT_RECT) 
+	if (_thd.next_drawstyle == HT_RECT)
 		_thd.place_mode = VHM_RECT;
 	else if ((e.place.userdata & 0xF) == VPM_SIGNALDIRS) // some might call this a hack... -- Dominik
 		_thd.place_mode = VHM_RECT;
diff --git a/viewport.h b/viewport.h
index 9065527e87..5681c82ad0 100644
--- a/viewport.h
+++ b/viewport.h
@@ -79,7 +79,7 @@ enum {
 	HT_RAIL = 0x10, /* autorail (one piece)
 									 * (uses lower bits to indicate direction) */
 
-	/* lower bits (used with HT_LINE and HT_RAIL): 
+	/* lower bits (used with HT_LINE and HT_RAIL):
 	 * (see ASCII art in autorail.h for a visual interpretation) */
 	HT_DIR_X = 0,  // X direction
 	HT_DIR_Y = 1,  // Y direction
diff --git a/window.c b/window.c
index 61353b9ab8..737f93ced1 100644
--- a/window.c
+++ b/window.c
@@ -52,8 +52,8 @@ void DispatchLeftClickEvent(Window *w, int x, int y) {
 			if (e.click.widget == 0) { /* 'X' */
 				DeleteWindow(w);
 				return;
-			} 
-			
+			}
+
 			if (e.click.widget == 1) /* 'Title bar' */
 				StartWindowDrag(w);
 		}