cleanup: expand tab to 4 spaces

frontend/ui/reader/readerhinting.lua

@@ -1,37 +1,37 @@
 local EventListener = require("ui/widget/eventlistener")
 
 local ReaderHinting = EventListener:new{
-	hinting_states = {}
+    hinting_states = {}
 }
 
 function ReaderHinting:onHintPage()
-	if not self.view.hinting then return true end
-	for i=1, DHINTCOUNT do
-		if self.view.state.page + i <= self.ui.document.info.number_of_pages then
-			self.ui.document:hintPage(
-				self.view.state.page + i,
-				self.zoom:getZoom(self.view.state.page + i),
-				self.view.state.rotation,
-				self.view.state.gamma,
-				self.view.render_mode)
-		end
-	end
-	return true
+    if not self.view.hinting then return true end
+    for i=1, DHINTCOUNT do
+        if self.view.state.page + i <= self.ui.document.info.number_of_pages then
+            self.ui.document:hintPage(
+                self.view.state.page + i,
+                self.zoom:getZoom(self.view.state.page + i),
+                self.view.state.rotation,
+                self.view.state.gamma,
+                self.view.render_mode)
+        end
+    end
+    return true
 end
 
 function ReaderHinting:onSetHinting(hinting)
-	self.view.hinting = hinting
+    self.view.hinting = hinting
 end
 
 function ReaderHinting:onDisableHinting()
-	table.insert(self.hinting_states, self.view.hinting)
-	self.view.hinting = false
-	return true
+    table.insert(self.hinting_states, self.view.hinting)
+    self.view.hinting = false
+    return true
 end
 
 function ReaderHinting:onRestoreHinting()
-	self.view.hinting = table.remove(self.hinting_states)
-	return true
+    self.view.hinting = table.remove(self.hinting_states)
+    return true
 end
 
 return ReaderHinting