Replaced spaces with tabs.

Check CONTRIBUTING.md, guys!

tetris/rulesets/standard_exp.lua

@@ -7,13 +7,13 @@ SRS.name = "Guideline SRS"
 SRS.hash = "Standard"
 SRS.world = true
 SRS.colourscheme = {
-    I = "C",
-    L = "O",
-    J = "B",
-    S = "G",
-    Z = "R",
-    O = "Y",
-    T = "M",
+	I = "C",
+	L = "O",
+	J = "B",
+	S = "G",
+	Z = "R",
+	O = "Y",
+	T = "M",
 }
 SRS.softdrop_lock = false
 SRS.harddrop_lock = true
@@ -132,13 +132,13 @@ SRS.wallkicks_line = {
 };
 
 function SRS:check_new_low(piece)
-    for _, block in pairs(piece:getBlockOffsets()) do
-        local y = piece.position.y + block.y
-        if y > piece.lowest_y then
-            piece.manipulations = 0
-            piece.lowest_y = y
-        end
-    end
+	for _, block in pairs(piece:getBlockOffsets()) do
+		local y = piece.position.y + block.y
+		if y > piece.lowest_y then
+			piece.manipulations = 0
+			piece.lowest_y = y
+		end
+	end
 end
 
 -- Component functions.
@@ -170,16 +170,16 @@ end
 
 function SRS:onPieceCreate(piece, grid)
 	piece.manipulations = 0
-    piece.lowest_y = -math.huge
+	piece.lowest_y = -math.huge
 end
 
 function SRS:onPieceDrop(piece, grid)
-    self:check_new_low(piece)
-    if piece.manipulations >= 15 and piece:isDropBlocked(grid) then
-        piece.locked = true
-    else
-        piece.lock_delay = 0 -- step reset
-    end
+	self:check_new_low(piece)
+	if piece.manipulations >= 15 and piece:isDropBlocked(grid) then
+		piece.locked = true
+	else
+		piece.lock_delay = 0 -- step reset
+	end
 end
 
 function SRS:onPieceMove(piece, grid)
@@ -194,8 +194,8 @@ end
 
 function SRS:onPieceRotate(piece, grid)
 	piece.lock_delay = 0 -- rotate reset
-    self:check_new_low(piece)
-    piece.manipulations = piece.manipulations + 1
+	self:check_new_low(piece)
+	piece.manipulations = piece.manipulations + 1
 	if piece:isDropBlocked(grid) then
 		if piece.manipulations >= 15 then
 			piece.locked = true