diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
index deeacf5b58..ea68581f33 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
@@ -505,7 +505,7 @@ namespace OpenSim.Region.ClientStack.Linden
                     case FileAgentInventoryState.processRequest:
                     case FileAgentInventoryState.processUpload:
                         LLSDAssetUploadError resperror = new LLSDAssetUploadError();
-                        resperror.message = "Uploader busy processing previus request";
+                        resperror.message = "Uploader busy processing previous request";
                         resperror.identifier = UUID.Zero;
 
                         LLSDAssetUploadResponse errorResponse = new LLSDAssetUploadResponse();
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/MeshCost.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/MeshCost.cs
index cf5f0ef15b..9b8f11a52b 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/MeshCost.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/MeshCost.cs
@@ -724,7 +724,7 @@ namespace OpenSim.Region.ClientStack.Linden
             int m = curCost.medLODSize - 384;
             int h = curCost.highLODSize - 384;
 
-            // use previus higher LOD size on missing ones
+            // use previous higher LOD size on missing ones
             if (m <= 0)
                 m = h;
             if (l <= 0)
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 8d5980a22e..a1d2e11551 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -929,7 +929,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             //BillableFactor
             zc.AddFloat(es.BillableFactor);
             //CacheID
-            zc.AddUUID(regionInfo.CacheID); // needs review when we actuall support cache
+            zc.AddUUID(regionInfo.CacheID);
             //TerrainBase0
             //TerrainBase1
             //TerrainBase2
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 438ae4cb5f..f9d1f54b46 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -3072,10 +3072,14 @@ namespace OpenSim.Region.Framework.Scenes
             Vector2 regionSize;
             regionSize = new Vector2(m_scene.RegionInfo.RegionSizeX, m_scene.RegionInfo.RegionSizeY);
 
-            if (pos.X < 0 || pos.X >= regionSize.X
-                || pos.Y < 0 || pos.Y >= regionSize.Y
-                || pos.Z < 0)
-                return;
+            if (pos.X < 0.5f)
+                pos.X = 0.5f;
+            else if (pos.X > regionSize.X - 0.5f)
+                pos.X = regionSize.X - 0.5f;
+            if (pos.Y < 0.5f)
+                pos.Y = 0.5f;
+            else if (pos.Y > regionSize.Y - 0.5f)
+                pos.Y = regionSize.Y - 0.5f;
 
             float terrainHeight;
             Scene targetScene = m_scene;
@@ -4405,6 +4409,9 @@ namespace OpenSim.Region.Framework.Scenes
                 m_scene.EventManager.TriggerSignificantClientMovement(this);
             }
 
+            if(IsNPC)
+                return;
+
             // updates priority recalc
             checkRePrioritization();
 
@@ -6720,7 +6727,7 @@ namespace OpenSim.Region.Framework.Scenes
                             if (p.IsDeleted || p == this || p.ControllingClient == null || !p.ControllingClient.IsActive)
                                 continue;
 
-                            // only those on previus parcel need receive kills
+                            // only those on previous parcel need receive kills
                             if (previusParcelID == p.currentParcelUUID)
                             {
                                 if(!p.IsViewerUIGod)
diff --git a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
index bc440fc144..50b0cb5571 100755
--- a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
+++ b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
@@ -556,7 +556,7 @@ namespace OpenSim.Region.Framework.Scenes
                 sb[27].StatID = (uint)Stats.PhysicsLodTasks;
                 sb[27].StatValue = 0;
 
-                sb[28].StatID = (uint)Stats.ScriptEps; // we actuall have this, but not messing array order AGAIN
+                sb[28].StatID = (uint)Stats.ScriptEps; // we actually have this, but not messing array order AGAIN
                 sb[28].StatValue = (float)Math.Round(m_scriptEventsPerSecond * updateTimeFactor);
 
                 sb[29].StatID = (uint)Stats.SimAIStepTimeMS;
diff --git a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
index 7ad5e3ddb1..267fc5b458 100644
--- a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
+++ b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
@@ -1603,7 +1603,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
             }
             else
             {
-                Vector3 a = _velocity; // previus velocity
+                Vector3 a = _velocity; // previous velocity
                 SetSmooth(ref _velocity,ref vel,2);
                 a = (_velocity - a) * invtimeStep;
                 SetSmooth(ref _acceleration,ref a,2);
diff --git a/runprebuild.bat b/runprebuild.bat
index e5d7cb882c..0bee6f5781 100755
--- a/runprebuild.bat
+++ b/runprebuild.bat
@@ -54,6 +54,8 @@ goto :done
 :found
     @echo Found msbuild at %ValueValue%
     @echo Creating compile.bat
+rem To compile in debug mode
     @echo %ValueValue% opensim.sln > compile.bat
-
+rem To compile in release mode comment line (add rem to start) above and uncomment next (remove rem)
+rem @echo %ValueValue% /P:Config=Release opensim.sln > compile.bat
 :done
\ No newline at end of file