diff --git a/obt/link.h b/obt/link.h
index 9ad86cc9..29147d89 100644
--- a/obt/link.h
+++ b/obt/link.h
@@ -26,15 +26,15 @@ G_BEGIN_DECLS
 struct _ObtPaths;
 
 typedef enum {
-	OBT_LINK_TYPE_APPLICATION = 1,
-	OBT_LINK_TYPE_URL         = 2,
-	OBT_LINK_TYPE_DIRECTORY   = 3
+    OBT_LINK_TYPE_APPLICATION = 1,
+    OBT_LINK_TYPE_URL         = 2,
+    OBT_LINK_TYPE_DIRECTORY   = 3
 } ObtLinkType;
 
 typedef enum {
-	OBT_LINK_APP_STARTUP_NO_SUPPORT,
-	OBT_LINK_APP_STARTUP_PROTOCOL_SUPPORT,
-	OBT_LINK_APP_STARTUP_LEGACY_SUPPORT
+    OBT_LINK_APP_STARTUP_NO_SUPPORT,
+    OBT_LINK_APP_STARTUP_PROTOCOL_SUPPORT,
+    OBT_LINK_APP_STARTUP_LEGACY_SUPPORT
 } ObtLinkAppStartup;
 
 /*! These bit flags are environments for links.  Some links are used or not
@@ -50,14 +50,14 @@ typedef enum {
 } ObtLinkEnvFlags;
 
 typedef enum {
-	/*! The app can be launched with a single local file */
-	OBT_LINK_APP_SINGLE_LOCAL = 1 << 0,
-	/*! The app can be launched with multiple local files */
-	OBT_LINK_APP_MULTI_LOCAL  = 1 << 1,
-	/*! The app can be launched with a single URL */
-	OBT_LINK_APP_SINGLE_URL   = 1 << 2,
-	/*! The app can be launched with multiple URLs */
-	OBT_LINK_APP_MULTI_URL    = 1 << 3
+    /*! The app can be launched with a single local file */
+    OBT_LINK_APP_SINGLE_LOCAL = 1 << 0,
+    /*! The app can be launched with multiple local files */
+    OBT_LINK_APP_MULTI_LOCAL  = 1 << 1,
+    /*! The app can be launched with a single URL */
+    OBT_LINK_APP_SINGLE_URL   = 1 << 2,
+    /*! The app can be launched with multiple URLs */
+    OBT_LINK_APP_MULTI_URL    = 1 << 3
 } ObtLinkAppOpen;
 
 typedef struct _ObtLink     ObtLink;
@@ -77,8 +77,8 @@ gboolean obt_link_deleted (ObtLink *e);
 ObtLinkType obt_link_type (ObtLink *e);
 
 /*! Returns TRUE if the .desktop file should be displayed to users, given the
-    current	environment.  If FALSE,	the .desktop file should not be showed.
-	This also uses the TryExec option if it is present.
+    current environment.  If FALSE, the .desktop file should not be showed.
+    This also uses the TryExec option if it is present.
     @env A semicolon-deliminated list of environemnts.  Can be one or more of:
          GNOME, KDE, ROX, XFCE.  Other environments not listed here may also
          be supported.  This can be null also if not listing any environment. */
diff --git a/openbox/moveresize.c b/openbox/moveresize.c
index 1625ccf0..2d0dc3ac 100644
--- a/openbox/moveresize.c
+++ b/openbox/moveresize.c
@@ -582,19 +582,19 @@ static void edge_warp_move_ptr(void)
     a = screen_physical_area_all_monitors();
 
     switch (edge_warp_dir) {
-	case OB_DIRECTION_NORTH:
-	    y = a->height - 1;
-	    break;
-	case OB_DIRECTION_EAST:
-	    x = a->x;
-	    break;
-	case OB_DIRECTION_SOUTH:
-	    y = a->y;
-	    break;
-	case OB_DIRECTION_WEST:
-	    x = a->width - 1;
-	    break;
-	default:
+    case OB_DIRECTION_NORTH:
+        y = a->height - 1;
+        break;
+    case OB_DIRECTION_EAST:
+        x = a->x;
+        break;
+    case OB_DIRECTION_SOUTH:
+        y = a->y;
+        break;
+    case OB_DIRECTION_WEST:
+        x = a->width - 1;
+        break;
+    default:
         g_assert_not_reached();
     }
 
diff --git a/openbox/place_overlap.c b/openbox/place_overlap.c
index ef73bd8d..5cca1bc2 100644
--- a/openbox/place_overlap.c
+++ b/openbox/place_overlap.c
@@ -43,33 +43,33 @@ void place_overlap_find_least_placement(const Rect* client_rects,
     int overlap = G_MAXINT;
     int max_edges = 2 * (n_client_rects + 1);
 
-	int x_edges[max_edges];
-	int y_edges[max_edges];
-	make_grid(client_rects, n_client_rects, bound,
-			  x_edges, y_edges, max_edges);
-	int i;
-	for (i = 0; i < max_edges; ++i) {
-		if (x_edges[i] == G_MAXINT)
-			break;
-		int j;
-		for (j = 0; j < max_edges; ++j) {
-			if (y_edges[j] == G_MAXINT)
-				break;
-			Point grid_point = {.x = x_edges[i], .y = y_edges[j]};
-			Point best_top_left;
-			int this_overlap =
-				best_direction(&grid_point, client_rects, n_client_rects,
-							   bound, req_size, &best_top_left);
-			if (this_overlap < overlap) {
-				overlap = this_overlap;
-				*result = best_top_left;
-			}
-			if (overlap == 0)
-				break;
-		}
-		if (overlap == 0)
-			break;
-	}
+    int x_edges[max_edges];
+    int y_edges[max_edges];
+    make_grid(client_rects, n_client_rects, bound,
+            x_edges, y_edges, max_edges);
+    int i;
+    for (i = 0; i < max_edges; ++i) {
+        if (x_edges[i] == G_MAXINT)
+            break;
+        int j;
+        for (j = 0; j < max_edges; ++j) {
+            if (y_edges[j] == G_MAXINT)
+                break;
+            Point grid_point = {.x = x_edges[i], .y = y_edges[j]};
+            Point best_top_left;
+            int this_overlap =
+                best_direction(&grid_point, client_rects, n_client_rects,
+                        bound, req_size, &best_top_left);
+            if (this_overlap < overlap) {
+                overlap = this_overlap;
+                *result = best_top_left;
+            }
+            if (overlap == 0)
+                break;
+        }
+        if (overlap == 0)
+            break;
+    }
 }
 
 static int compare_ints(const void* a, const void* b)