diff --git a/TempleOSCD/0000Boot/0000Kernel.BIN.C b/TempleOSCD/0000Boot/0000Kernel.BIN.C
index 0964635..23921d9 100644
Binary files a/TempleOSCD/0000Boot/0000Kernel.BIN.C and b/TempleOSCD/0000Boot/0000Kernel.BIN.C differ
diff --git a/TempleOSCD/Adam/ADefine.HC b/TempleOSCD/Adam/ADefine.HC
index 1564d57..e9e5368 100644
--- a/TempleOSCD/Adam/ADefine.HC
+++ b/TempleOSCD/Adam/ADefine.HC
@@ -18,7 +18,7 @@ U0 LoadDocDefines()
   //$LK,"DD_BOOT_HIGH_LOC_DVD",A="FF:::/Adam/Opt/Boot/BootDVD.HC,DD_BOOT_HIGH_LOC_DVD"$
 
   $TR-C,"LineRep"$
-$ID,4$DefinePrint("DD_TEMPLEOS_LOC","120,042");
+$ID,4$DefinePrint("DD_TEMPLEOS_LOC","120,185");
 DefinePrint("DD_TEMPLEOS_LOC_OFFICIAL","82,012");
 $ID,-4$
   DefinePrint("DD_MP_VECT","%08X",MP_VECT_ADDR);
diff --git a/TempleOSCD/Apps/KeepAway/KeepAway.HC b/TempleOSCD/Apps/KeepAway/KeepAway.HC
index 9e53f45..4d344eb 100644
--- a/TempleOSCD/Apps/KeepAway/KeepAway.HC
+++ b/TempleOSCD/Apps/KeepAway/KeepAway.HC
@@ -715,9 +715,9 @@ ka_done: //Don't goto out of try
   } catch
     PutExcept;
   SettingsPop;
+  MenuPop;
   RegWrite("TempleOS/KeepAway","I64 best_score0=%d,best_score1=%d;\n",
 	best_score0,best_score1);
-  MenuPop;
 }
         К     p   Ё      ­яяяыяяяыяяя­яяяыяяя   ·яяяыяяяыяяя·яяяыяяя   ­яяя   ыяяя­яяя      ·яяя   ыяяя·яяя   
    ·яяяыяяяцяяя·яяяыяяя
diff --git a/TempleOSCD/Apps/ToTheFront/ToTheFront.HC b/TempleOSCD/Apps/ToTheFront/ToTheFront.HC
index 5df16c3..fae5ab4 100644
--- a/TempleOSCD/Apps/ToTheFront/ToTheFront.HC
+++ b/TempleOSCD/Apps/ToTheFront/ToTheFront.HC
@@ -207,8 +207,8 @@ U0 ToTheFront()
   ProgressBarsRst;
 
   SettingsPop;
-  MenuPop;
   DCDel(map_dc);
   CleanUp;
+  MenuPop;
   Seed;
 }
diff --git a/TempleOSCD/Compiler/Compiler.BIN b/TempleOSCD/Compiler/Compiler.BIN
index 6c03db2..4ec766b 100644
Binary files a/TempleOSCD/Compiler/Compiler.BIN and b/TempleOSCD/Compiler/Compiler.BIN differ
diff --git a/TempleOSCD/Demo/AcctExample/PersonalNotes.DD b/TempleOSCD/Demo/AcctExample/PersonalNotes.DD
index 6a3c13c..a9d6816 100644
--- a/TempleOSCD/Demo/AcctExample/PersonalNotes.DD
+++ b/TempleOSCD/Demo/AcctExample/PersonalNotes.DD
@@ -1,5 +1,7 @@
 $WW,1$$FG,5$$TX+CX,"TODO"$$FG$
 
+* TestSuite $LK,"DoLightTable",A="FF:::/Misc/OSTestSuite.HC,DoLightTable"$
+
 * $LK,"::/Apps/X-Caliber/X-Caliber.HC"$
 * Add asteroid harbor defense.
 * Afterburner thruster.
diff --git a/TempleOSCD/Demo/AcctExample/Registry.HC b/TempleOSCD/Demo/AcctExample/Registry.HC
index acdad0b..fdf313e 100644
--- a/TempleOSCD/Demo/AcctExample/Registry.HC
+++ b/TempleOSCD/Demo/AcctExample/Registry.HC
@@ -62,7 +62,7 @@ $ID,-2$$TR,"Titanium"$
 $ID,2$I64 best_score=16469;
 $ID,-2$$TR,"TOSRegen"$
 $ID,2$progress1_tf=0.000;progress2_tf=0.000;
-progress3_tf=0.000;progress4_tf=202.718;
+progress3_tf=0.000;progress4_tf=198.424;
 $ID,-2$$ID,-2$$TR,"Once"$
 $ID,2$$TR,"Adam"$
 $ID,2$$ID,-2$$TR,"User"$
diff --git a/TempleOSCD/Demo/Games/BomberGolf.HC b/TempleOSCD/Demo/Games/BomberGolf.HC
index 13de16d..f277ecb 100644
Binary files a/TempleOSCD/Demo/Games/BomberGolf.HC and b/TempleOSCD/Demo/Games/BomberGolf.HC differ
diff --git a/TempleOSCD/Demo/Games/DunGen.HC b/TempleOSCD/Demo/Games/DunGen.HC
index c6502de..17484f1 100644
--- a/TempleOSCD/Demo/Games/DunGen.HC
+++ b/TempleOSCD/Demo/Games/DunGen.HC
@@ -437,9 +437,9 @@ dg_done:
   } catch
     PutExcept;
   SettingsPop;
+  CleanUp;
   MenuPop;
   RegWrite("TempleOS/DunGen","F64 best_score=%5.4f;\n",best_score);
-  CleanUp;
 }
 
 DunGen;
diff --git a/TempleOSCD/Demo/Games/FlapBat.HC b/TempleOSCD/Demo/Games/FlapBat.HC
index 7af5684..1088bdf 100644
Binary files a/TempleOSCD/Demo/Games/FlapBat.HC and b/TempleOSCD/Demo/Games/FlapBat.HC differ
diff --git a/TempleOSCD/Demo/Games/FlatTops.HC b/TempleOSCD/Demo/Games/FlatTops.HC
index 45a695e..a2e973a 100644
--- a/TempleOSCD/Demo/Games/FlatTops.HC
+++ b/TempleOSCD/Demo/Games/FlatTops.HC
@@ -844,9 +844,9 @@ nv_done:
     GetMsg(,,1<<MSG_KEY_UP);
   } catch
     PutExcept;
-  MenuPop;
   SettingsPop;
   CleanUp;
+  MenuPop;
 }
 
 FlatTops;
diff --git a/TempleOSCD/Demo/Games/RawHide.HC b/TempleOSCD/Demo/Games/RawHide.HC
index 51fd5a2..5e829e1 100644
--- a/TempleOSCD/Demo/Games/RawHide.HC
+++ b/TempleOSCD/Demo/Games/RawHide.HC
@@ -582,9 +582,9 @@ rh_done:
     GetMsg(,,1<<MSG_KEY_UP);
   } catch
     PutExcept;
-  MenuPop;
   SettingsPop;
   CleanUp;
+  MenuPop;
   RegWrite("TempleOS/RawHide","F64 best_score=%5.4f;\n",best_score);
 }
 
diff --git a/TempleOSCD/Demo/Games/Talons.HC b/TempleOSCD/Demo/Games/Talons.HC
index fd6fef1..15c2248 100644
--- a/TempleOSCD/Demo/Games/Talons.HC
+++ b/TempleOSCD/Demo/Games/Talons.HC
@@ -1226,8 +1226,8 @@ U0 Talons()
   SettingsPop;
   CleanUp;
   PostCleanUp;
-  RegWrite("TempleOS/Talons","F64 best_score=%5.4f;\n",best_score);
   MenuPop;
+  RegWrite("TempleOS/Talons","F64 best_score=%5.4f;\n",best_score);
 }
 
 Talons;
diff --git a/TempleOSCD/Demo/Games/Varoom.HC b/TempleOSCD/Demo/Games/Varoom.HC
index ad283ff..c888c63 100644
--- a/TempleOSCD/Demo/Games/Varoom.HC
+++ b/TempleOSCD/Demo/Games/Varoom.HC
@@ -694,8 +694,8 @@ U0 Varoom()
 vr_done: //Don't goto out of try
   } catch
     PutExcept;
-  CleanUp;
   SettingsPop;
+  CleanUp;
   MenuPop;
   RegWrite("TempleOS/Varoom","F64 best_score=%5.4f;\n",best_score);
 }
diff --git a/TempleOSCD/Demo/Games/Wenceslas.HC b/TempleOSCD/Demo/Games/Wenceslas.HC
index f5d5399..400d73c 100644
--- a/TempleOSCD/Demo/Games/Wenceslas.HC
+++ b/TempleOSCD/Demo/Games/Wenceslas.HC
@@ -584,8 +584,8 @@ ws_done:
   } catch
     PutExcept;
   SettingsPop;
-  MenuPop;
   CleanUp;
+  MenuPop;
   RegWrite("TempleOS/Wenceslas","F64 best_score=%5.4f;\n",best_score);
 }
 
diff --git a/TempleOSCD/Demo/Graphics/Life.HC b/TempleOSCD/Demo/Graphics/Life.HC
index 7e2c499..7a06852 100644
--- a/TempleOSCD/Demo/Graphics/Life.HC
+++ b/TempleOSCD/Demo/Graphics/Life.HC
@@ -6,8 +6,8 @@ Bool restart;
 
 U0 DrawIt(CTask *,CDC *dc2)
 {
-dc[cur_dc]->flags|=DCF_NO_TRANSPARENTS;
-GrBlot(dc2,0,0,dc[cur_dc]);
+  dc[cur_dc]->flags|=DCF_NO_TRANSPARENTS;
+  GrBlot(dc2,0,0,dc[cur_dc]);
 }
 
 U0 AnimateTask(I64)
diff --git a/TempleOSCD/Demo/Graphics/LightTable.HC b/TempleOSCD/Demo/Graphics/LightTable.HC
new file mode 100644
index 0000000..088f2fc
--- /dev/null
+++ b/TempleOSCD/Demo/Graphics/LightTable.HC
@@ -0,0 +1,222 @@
+class Photon
+{
+  Photon *next,*last;
+  CD3 p,v;
+} p_root;
+
+CDC *map;
+
+#define TAIL 20
+U0 DrawIt(CTask *,CDC *dc)
+{
+  Photon *tmpp;
+  GrBlot(dc,0,0,map);
+  tmpp=p_root.next;
+  while (tmpp!=&p_root) {
+    dc->color=LTRED;
+    GrLine(dc,tmpp->p.x-TAIL*tmpp->v.x,tmpp->p.y-TAIL*tmpp->v.y,
+	  tmpp->p.x,tmpp->p.y);
+    tmpp=tmpp->next;
+  }
+}
+
+#define HEIGHT	10
+U0 FindNormal(CDC *dc,Photon *tmpp,I64 last,I64,CD3 *_normal)
+{
+  CD3 p1,p2,v,s;
+  F64 й=Arg(tmpp->v.x,tmpp->v.y),и;
+
+  for (и=0;и<г/2;и+=г/HEIGHT) {
+    D3Equ(&s,Cos(й+г-г/4-и),Sin(й+г-г/4-и));
+    D3Mul(&v,HEIGHT,&s);
+    D3Add(&p1,&tmpp->p,&v);
+    if (GrPeek(dc,p1.x,p1.y)!=last)
+      break;
+  }
+  if (GrPeek(dc,p1.x,p1.y)==last)
+    D3Copy(&p1,&tmpp->p);
+
+  for (и=0;и<г/2;и+=г/HEIGHT) {
+    D3Equ(&s,Cos(й+г+г/4+и),Sin(й+г+г/4+и));
+    D3Mul(&v,HEIGHT,&s);
+    D3Add(&p2,&tmpp->p,&v);
+    if (GrPeek(dc,p2.x,p2.y)!=last)
+      break;
+  }
+  if (GrPeek(dc,p2.x,p2.y)==last)
+    D3Copy(&p2,&tmpp->p);
+ 
+  D3Sub(&s,&p1,&p2);
+  D3Equ(_normal,s.y,-s.x);
+  if (D3Dot(_normal,&tmpp->v)<0)
+    D3Equ(_normal,-s.y,s.x);
+
+  D3Unit(_normal);
+}
+
+U0 SnellsLaw(CDC *dc,Photon *tmpp,I64 last,I64 next)
+{
+//n1 and n2 are refraction index.
+//n1 Sin(й1) == n2 Sin(й2)
+  F64 й=Arg(tmpp->v.x,tmpp->v.y),йn,n1,n2,й1,й2,йa,йb;
+  CD3 normal;
+  if (last==WHITE)
+    n1=1.5;
+  else
+    n1=1.0;
+  if (next==WHITE)
+    n2=1.5;
+  else
+    n2=1.0;
+  FindNormal(dc,tmpp,last,next,&normal);
+  йn=Arg(normal.x,normal.y);
+  //dot=m1m2Cos(й);
+  й1=ACos(D3Dot(&normal,&tmpp->v));
+  й2=ASin(n1*Sin(й1)/n2);
+  //й --> (йn+й1)
+  //й <-- (йn+й2)
+  йa=йn+й2;
+  йb=йn-й2;
+  if (Abs(Wrap(йa-й))<Abs(Wrap(йb-й)))
+    й=йa;
+  else
+    й=йb;
+  D3Equ(&tmpp->v,Cos(й),Sin(й));
+}
+
+U0 AnimateTask(I64)
+{
+  CD3 v;
+  Photon *tmpp;
+  I64 last,next;
+  while (TRUE) {
+    tmpp=p_root.next;
+    while (tmpp!=&p_root) {
+      last=GrPeek(map,tmpp->p.x,tmpp->p.y);
+      D3Mul(&v,1.5,&tmpp->v);
+      D3AddEqu(&tmpp->p,&v);
+      if (tmpp->p.x<=0)		tmpp->v.x=-tmpp->v.x;
+      if (tmpp->p.x>=map->width)	tmpp->v.x=-tmpp->v.x;
+      if (tmpp->p.y<=0)		tmpp->v.y=-tmpp->v.y;
+      if (tmpp->p.y>=map->height) tmpp->v.y=-tmpp->v.y;
+      next=GrPeek(map,tmpp->p.x,tmpp->p.y);
+      if (last!=next &&
+	    (last==BLACK && next==WHITE) ||
+	    (last==WHITE       && next==BLACK))
+	SnellsLaw(map,tmpp,last,next);
+      tmpp=tmpp->next;
+    }
+    Sleep(10);
+  }
+}
+
+U0 Init()
+{
+  map=DCNew(Fs->pix_width,Fs->pix_height);
+  QueInit(&p_root);
+}
+
+U0 CleanUp()
+{
+  QueDel(&p_root,TRUE);
+  DCDel(map);
+}
+
+#define PTS_NUM	1024
+U0 LightTable()
+{
+  I64 msg_code,i,arg1,arg2,ray_x1,ray_y1,ray_x2,ray_y2;
+  CD3I32 *c=MAlloc(PTS_NUM*sizeof(CD3I32));
+  Photon *tmpp;
+
+  MenuPush(
+	"File {"
+	"  Restart(,'\n');"
+	"  Abort(,CH_SHIFT_ESC);"
+	"  Exit(,CH_ESC);"
+	"}"
+	"Edit {"
+	"  Fill(,CH_SPACE);"
+	"}"
+	);
+  PopUpOk(
+	"Draw splines with $$GREEN$${Left-Click}$$FG$$.\n\n"
+	"Fill lens with $$GREEN$$<SPACE>$$FG$$.\n\n"
+	"$$GREEN$${Right-Drag}$$FG$$ to fire rays.\n"
+	);
+  SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
+  Fs->win_inhibit=WIG_TASK_DFT-WIF_SELF_FOCUS-
+	WIF_SELF_BORDER-WIF_FOCUS_TASK_MENU;
+  Fs->text_attr=BLACK<<4+WHITE;	//Current $LK,"CTask",A="MN:CTask"$ is Fs segment register.
+  AutoComplete;
+  WinBorder;
+  WinMax;
+  DocCursor;
+  DocClear;
+  Init;
+  Fs->draw_it=&DrawIt;
+  Fs->animate_task=Spawn(&AnimateTask,NULL,"Animate",,Fs);
+  try {
+    while (TRUE) {
+      msg_code=GetMsg(&arg1,&arg2,
+	    1<<MSG_KEY_DOWN+1<<MSG_MS_L_DOWN+1<<MSG_MS_R_DOWN+1<<MSG_MS_R_UP);
+lt_restart:
+      switch (msg_code) {
+	case MSG_MS_R_DOWN:
+	  ray_x1=arg1; ray_y1=arg2;
+	  break;
+	case MSG_MS_R_UP:
+	  ray_x2=arg1; ray_y2=arg2;
+	  tmpp=CAlloc(sizeof(Photon));
+	  tmpp->p.x=ray_x2; tmpp->p.y=ray_y2;
+	  tmpp->v.x=ray_x2-ray_x1; tmpp->v.y=ray_y2-ray_y1;
+	  D3Unit(&tmpp->v);
+	  QueIns(tmpp,p_root.last);
+	  break;
+	case MSG_MS_L_DOWN:
+	  i=0;
+	  map->color=ROP_XOR+WHITE;
+	  do {
+	    c[i].x=arg1; c[i].y=arg2; c[i].z=0;
+	    Gr2BSpline(map,c,i+1);
+	    msg_code=GetMsg(&arg1,&arg2,
+		  1<<MSG_KEY_DOWN+1<<MSG_MS_L_UP+1<<MSG_MS_MOVE+1<<MSG_MS_R_UP);
+	    Gr2BSpline(map,c,i+1);
+	    if (msg_code==MSG_KEY_DOWN)
+	      goto lt_restart;
+	    else if (msg_code==MSG_MS_L_UP) {
+	      Noise(100,30,50);
+	      i++;
+	    }
+	  } while (i<PTS_NUM-1 && msg_code!=MSG_MS_R_UP);
+	  Gr2BSpline(map,c,i);
+	  break;
+	case MSG_KEY_DOWN:
+	  switch (arg1) {
+	    case CH_SPACE:
+	      GrFloodFill(map,ms.pos.x-Fs->pix_left,ms.pos.y-Fs->pix_top);
+	      break;
+	    case '\n':
+	      DCFill;
+	      CleanUp;
+	      Init;
+	      break;
+	    case CH_ESC:
+	    case CH_SHIFT_ESC:
+	      goto lt_done;
+	  }
+	  break;
+      }
+    }
+lt_done:
+    GetMsg(,,1<<MSG_KEY_UP);
+  } catch
+    PutExcept;
+  DCFill;
+  Free(c);
+  SettingsPop;
+  CleanUp;
+  MenuPop;
+}
+
+LightTable;
diff --git a/TempleOSCD/Demo/Graphics/PoleZeros.HC b/TempleOSCD/Demo/Graphics/PoleZeros.HC
index 13aa1af..7082eff 100644
--- a/TempleOSCD/Demo/Graphics/PoleZeros.HC
+++ b/TempleOSCD/Demo/Graphics/PoleZeros.HC
@@ -101,7 +101,6 @@ U0 PoleZeros()
 	"Drag the poles and zeros with left mouse.\n"
 	"Hold right mouse for phase plot.\n"
 	);
-  Refresh;
 
   SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
   Fs->win_inhibit=WIG_TASK_DFT-WIF_SELF_FOCUS-WIF_SELF_BORDER;
diff --git a/TempleOSCD/Doc/ChgLog.DD b/TempleOSCD/Doc/ChgLog.DD
index 4cf1576..485bd28 100644
--- a/TempleOSCD/Doc/ChgLog.DD
+++ b/TempleOSCD/Doc/ChgLog.DD
@@ -2,7 +2,8 @@ $WW,1$$FG,5$$TX+CX,"Change Log"$$FG$
 
 Use $LK,"R",A="MN:R"$() to rename if I change a label.
 
-$IV,1$----01/30/17 06:25:57----$IV,0$
+$IV,1$----01/30/17 12:37:29----$IV,0$
+* Added $LK,"::/Demo/Graphics/LightTable.HC"$.
 
 $IV,1$----01/27/17 08:13:37----$IV,0$
 * Added $LK,"DocLineRead",A="MN:DocLineRead"$() and $LK,"DocLineWrite",A="MN:DocLineWrite"$().
diff --git a/TempleOSCD/Doc/DemoIndex.DD b/TempleOSCD/Doc/DemoIndex.DD
index daf1a1c..d13dd3f 100644
--- a/TempleOSCD/Doc/DemoIndex.DD
+++ b/TempleOSCD/Doc/DemoIndex.DD
@@ -67,6 +67,7 @@ $LK,"::/Demo/Snd/WaterFowl.HC"$
 $MA-X+PU,"::/Apps/Psalmody/Examples",LM="Cd(\"::/Apps/Psalmody/Examples\");Dir;View;\n"$
 $LK,"CPURep",A="MN:CPURep"$
 $LK,"::/Demo/MultiCore/MPPrint.HC"$
+$LK,"::/Demo/Graphics/LightTable.HC"$
 $LK,"::/Demo/Graphics/PredatorPrey.HC"$
 $LK,"::/Demo/Graphics/Cartesian.HC"$
 $LK,"::/Demo/Graphics/Hanoi.HC"$
diff --git a/TempleOSCD/Kernel/KernelB.HH b/TempleOSCD/Kernel/KernelB.HH
index 89ace33..dc7ad10 100644
--- a/TempleOSCD/Kernel/KernelB.HH
+++ b/TempleOSCD/Kernel/KernelB.HH
@@ -151,7 +151,7 @@ public _extern _D3_DIST_SQR F64 D3DistSqr(CD3 *d1,CD3 *d2); //Distance Squared
 public _extern _D3_DIV CD3 *D3Div(CD3 *quot,CD3 *d,F64 s); //quot=d/s
 public _extern _D3_DIV_EQU CD3 *D3DivEqu(CD3 *quot,F64 s); //quot/=s
 public _extern _D3_DOT F64 D3Dot(CD3 *d1,CD3 *d2); //d1 dot d2
-public _extern _D3_EQU CD3 *D3Equ(CD3 *dst,F64 x,F64 y,F64 z); //dst=(x,y,z)
+public _extern _D3_EQU CD3 *D3Equ(CD3 *dst,F64 x,F64 y,F64 z=0); //dst=(x,y,z)
 public _extern _D3_MUL CD3 *D3Mul(CD3 *prod,F64 s,CD3 *d); //prod=s*d
 public _extern _D3_MUL_EQU CD3 *D3MulEqu(CD3 *prod,F64 s); //prod*=s
 public _extern _D3_NORM F64 D3Norm(CD3 *d); //Norm
diff --git a/TempleOSCD/Misc/OSTestSuite.HC b/TempleOSCD/Misc/OSTestSuite.HC
index 85f95d5..4d446d9 100644
--- a/TempleOSCD/Misc/OSTestSuite.HC
+++ b/TempleOSCD/Misc/OSTestSuite.HC
@@ -12,7 +12,7 @@ U0 TS(U8 *desc)
     (PROGRESS_DESC_LEN-StrLen(st))>>1,CH_SPACE,st);
   Free(st);
   progress4=ts_i++;
-  progress4_max=170;
+  progress4_max=171;
   progress4_t0=ts_t0;
   *progress4_desc=0;
   RegExe("TempleOS/OSTestSuite");
@@ -655,6 +655,17 @@ U0 DoF2Macro()
   DeathWait(&task,TRUE);
 }
 
+U0 DoLightTable()
+{
+  CTask *task=User("#include \"::/Demo/Graphics/LightTable\";\n");
+  BirthWait(&task->popup_task);
+  TaskWait(task->popup_task);
+  PostMsgWait(task->popup_task,MSG_KEY_DOWN_UP,CH_SPACE,0);
+  Sleep(750);
+  PostMsgWait(task,MSG_KEY_DOWN_UP,CH_ESC,0);
+  DeathWait(&task,TRUE);
+}
+
 U0 DoPredatorPrey()
 {
   CTask *task=User("#include \"::/Demo/Graphics/PredatorPrey\";\n");
@@ -1572,6 +1583,7 @@ U0 OSTestSuite()
   TS("Symmetry");	DoSymmetry;
   TS("Shadow");		TSFileChar("::/Demo/Graphics/Shadow",1500);
   TS("Transform");	TSFileChar("::/Demo/Graphics/Transform",,CH_SHIFT_ESC);
+  TS("LightTable");	DoLightTable;
   TS("PredatorPrey");	DoPredatorPrey;
   TS("PoleZeros");	DoPoleZeros;
   TS("Digits");		DoDigits;