diff --git a/actions.c b/actions.c
index fbd97f6..6cd73b5 100644
--- a/actions.c
+++ b/actions.c
@@ -65,7 +65,7 @@ static int attack(FILE *input, long verb, token_t obj)
     if (obj == DWARF && game.closed) return GO_DWARFWAKE;
     if (obj == DRAGON)spk=ALREADY_DEAD;
     if (obj == TROLL)spk=ROCKY_TROLL;
-    if (obj == OGRE)spk=OGRE_DOFGE;
+    if (obj == OGRE)spk=OGRE_DODGE;
     if (obj == OGRE && d > 0) {
 	RSPEAK(spk);
 	RSPEAK(KNIFE_THROWN);
@@ -78,12 +78,18 @@ static int attack(FILE *input, long verb, token_t obj)
 		game.dseen[i]=false;
 	    }
 	}
-	spk=spk+1+1/k;
+	spk=spk+1+1/k;	/* FIXME: Arithmetic on message numbers */
+	RSPEAK(spk);
+	return GO_CLEAROBJ;
+    }
+
+    if (obj == BEAR)
+	/* FIXME: Arithmetic on message numbers */
+	spk = BEAR_HANDS+(game.prop[BEAR]+1)/2;
+    if (obj != DRAGON || game.prop[DRAGON] != 0) {
 	RSPEAK(spk);
 	return GO_CLEAROBJ;
     }
-    if (obj == BEAR)spk=BEAR_HANDS+(game.prop[BEAR]+1)/2;
-    if (obj != DRAGON || game.prop[DRAGON] != 0) {RSPEAK(spk); return GO_CLEAROBJ;}
     /*  Fun stuff for dragon.  If he insists on attacking it, win!
      *  Set game.prop to dead, move dragon to central loc (still
      *  fixed), move rug there (not fixed), and move him there,
@@ -305,7 +311,10 @@ static int chain(token_t verb)
 	spk=CHAIN_LOCKED;
 	if (game.prop[CHAIN] != 0)spk=ALREADY_LOCKED;
 	if (game.loc != PLAC[CHAIN])spk=NO_LOCKSITE;
-	if (spk != CHAIN_LOCKED) {RSPEAK(spk); return GO_CLEAROBJ;}
+	if (spk != CHAIN_LOCKED) {
+	    RSPEAK(spk);
+	    return GO_CLEAROBJ;
+	}
 	game.prop[CHAIN]=2;
 	if (TOTING(CHAIN))DROP(CHAIN,game.loc);
 	game.fixed[CHAIN]= -1;
@@ -395,7 +404,7 @@ static int drink(token_t verb, token_t obj)
 	return GO_UNKNOWN;
     if (obj != BLOOD) {
 	if (obj != 0 && obj != WATER)spk=RIDICULOUS_ATTEMPT;
-	if (spk != 110 && LIQUID() == WATER && HERE(BOTTLE)) {
+	if (spk != RIDICULOUS_ATTEMPT && LIQUID() == WATER && HERE(BOTTLE)) {
 	    game.prop[BOTTLE]=1;
 	    game.place[WATER]=0;
 	    spk=BOTTLE_EMPTY;
@@ -518,7 +527,7 @@ int fill(token_t verb, token_t obj)
 	    return GO_CLEAROBJ;
 	}
 	RSPEAK(SHATTER_VASE);
-	game.prop[VASE]=2;
+	game.prop[VASE] = 2;
 	game.fixed[VASE]= -1;
 	return(discard(verb, obj, true));
     }
@@ -552,7 +561,7 @@ int fill(token_t verb, token_t obj)
 	game.prop[BOTTLE]=MOD(COND[game.loc],4)/2*2;
 	k=LIQUID();
 	if (TOTING(BOTTLE))
-	    game.place[k]= -1;
+	    game.place[k] = -1;
 	if (k == OIL)
 	    spk=BOTTLED_OIL;
     }
@@ -599,7 +608,8 @@ static int fly(token_t verb, token_t obj)
     game.oldloc=game.loc;
     game.newloc=game.place[RUG]+game.fixed[RUG]-game.loc;
     spk=RUG_GOES;
-    if (game.prop[SAPPH] >= 0)spk=RUG_RETURNS;
+    if (game.prop[SAPPH] >= 0)
+	spk=RUG_RETURNS;
     RSPEAK(spk);
     return GO_TERMINATE;
 }
@@ -810,11 +820,14 @@ static int reservoir(void)
     } else {
 	PSPEAK(RESER,game.prop[RESER]+1);
 	game.prop[RESER]=1-game.prop[RESER];
-	if (AT(RESER)) return GO_CLEAROBJ;
-	game.oldlc2=game.loc;
-	game.newloc=0;
-	RSPEAK(NOT_BRIGHT);
-	return GO_TERMINATE;
+	if (AT(RESER))
+	    return GO_CLEAROBJ;
+	else {
+	    game.oldlc2=game.loc;
+	    game.newloc=0;
+	    RSPEAK(NOT_BRIGHT);
+	    return GO_TERMINATE;
+	}
     }
 }
 
@@ -846,6 +859,7 @@ static int say(void)
     if (WD2 > 0)
 	WD1=WD2;
     int wd=VOCAB(WD1,-1);
+    /* FIXME: Magic numbers */
     if (wd == 62 || wd == 65 || wd == 71 || wd == 2025 || wd == 2034) {
 	WD2=0;
 	return GO_LOOKUP;
@@ -874,7 +888,7 @@ static int throw(FILE *cmdin, long verb, token_t obj)
 	RSPEAK(spk);
 	return GO_CLEAROBJ;
     }
-    if (obj >= 50 && obj <= MAXTRS && AT(TROLL)) {
+    if (obj >= MINTRS && obj <= MAXTRS && AT(TROLL)) {
         spk=TROLL_SATISFIED;
         /*  Snarf a treasure for the troll. */
         DROP(obj,0);
@@ -904,7 +918,7 @@ static int throw(FILE *cmdin, long verb, token_t obj)
             return throw_support(spk);
         }
         if (AT(OGRE)) {
-            spk=OGRE_DOFGE;
+            spk=OGRE_DODGE;
             return throw_support(spk);
         }
         if (HERE(BEAR) && game.prop[BEAR] == 0) {
diff --git a/advent.h b/advent.h
index 93681a6..327c717 100644
--- a/advent.h
+++ b/advent.h
@@ -6,7 +6,7 @@
 #define LINESIZE	100
 #define NDWARVES	6
 #define PIRATE		NDWARVES	/* must be NDWARVES-1 when zero-origin */
-#define DALTLC		18		/* alternate dwarf location; low room */
+#define DALTLC		LOC_NUGGET	/* alternate dwarf location */
 #define MINTRS		50
 #define MAXTRS		79
 #define MAXPARMS	25
@@ -140,7 +140,7 @@ extern int saveresume(FILE *, bool);
 #define DARK(DUMMY)	((!CNDBIT(game.loc,LIGHT)) && (game.prop[LAMP] == 0 || !HERE(LAMP)))
 #define PCT(N)	(randrange(100) < (N))
 #define GSTONE(OBJ)	((OBJ) == EMRALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
-#define FOREST(LOC)	((LOC) >= 145 && (LOC) <= 166)
+#define FOREST(LOC)	((LOC) >= LOC_FOREST1 && (LOC) <= LOC_FOREST22)
 #define VOCWRD(LETTRS,SECT)	(VOCAB(MAKEWD(LETTRS),SECT))
 #define SPECIAL(LOC)	((LOC) > SPECIALBASE)
 
@@ -150,8 +150,8 @@ extern int saveresume(FILE *, bool);
  *  LOC is outside, INDEEP(LOC) is true if LOC is "deep" in the cave (hall
  *  of mists or deeper).  Note special kludges for "Foof!" locs. */
 
-#define OUTSID(LOC)	((LOC) <= 8 || FOREST(LOC) || (LOC) == PLAC[SAPPH] || (LOC) == 180 || (LOC) == 182)
-#define INDEEP(LOC)	((LOC) >= 15 && !OUTSID(LOC) && (LOC) != 179)
+#define OUTSID(LOC)	((LOC) <= LOC_GRATE || FOREST(LOC) || (LOC) == PLAC[SAPPH] || (LOC) == LOC_FOOF2 || (LOC) == LOC_FOOF4)
+#define INDEEP(LOC)	((LOC) >= LOC_MISTHALL && !OUTSID(LOC) && (LOC) != LOC_FOOF1)
 
 /* vocabulary items */ 
 extern long AMBER, ATTACK, AXE, BACK, BATTER, BEAR,
diff --git a/adventure.yaml b/adventure.yaml
index e1aeb5c..badc7f1 100644
--- a/adventure.yaml
+++ b/adventure.yaml
@@ -948,7 +948,7 @@ arbitrary_messages:  !!omap
 - THIS_ACCEPTABLE: 'Is this acceptable?'
 - ALREADY_OVER: 'This adventure is already over.  To start a new adventure, or to\nresume an earlier adventure, please run a fresh copy of the program.'
 - OGRE_FULL: 'The ogre doesn''t appear to be hungry.'
-- OGRE_DOFGE: 'The ogre, who despite his bulk is quite agile, easily dodges your\nattack.  He seems almost amused by your puny effort.'
+- OGRE_DODGE: 'The ogre, who despite his bulk is quite agile, easily dodges your\nattack.  He seems almost amused by your puny effort.'
 - OGRE_PANIC1: 'The ogre, distracted by your rush, is struck by the knife.  With a\nblood-curdling yell he turns and bounds after the dwarves, who flee\nin panic.  You are left alone in the room.'
 - OGRE_PANIC2: 'The ogre, distracted by your rush, is struck by the knife.  With a\nblood-curdling yell he turns and bounds after the dwarf, who flees\nin panic.  You are left alone in the room.'
 - FREE_FLY: 'The bird flies about agitatedly for a moment.'
diff --git a/main.c b/main.c
index 1dc395e..1c1b299 100644
--- a/main.c
+++ b/main.c
@@ -324,7 +324,7 @@ static bool dwarfmove(void)
     int kk, stick, attack;
     long tk[21];
 
-	/*  Dwarf stuff.  See earlier comments for description of
+    /*  Dwarf stuff.  See earlier comments for description of
      *  variables.  Remember sixth dwarf is pirate and is thus
      *  very different except for motion rules. */
 
@@ -490,7 +490,7 @@ static void croak(FILE *cmdin)
 	    int i=NOBJECTS + 1 - j;
 	    if (TOTING(i)) {
 		/* Always leave lamp where it's accessible aboveground */
-		DROP(i, (i == LAMP) ? 1 : game.oldlc2);
+		DROP(i, (i == LAMP) ? LOC_START : game.oldlc2);
 	    }
 	}
 	game.loc = LOC_BUILDING;
@@ -499,7 +499,7 @@ static void croak(FILE *cmdin)
 }
 
 /*  Given the current location in "game.loc", and a motion verb number in
- *  "K", put the new location in "game.newloc".  The current loc is saved
+ *  "motion", put the new location in "game.newloc".  The current loc is saved
  *  in "game.oldloc" in case he wants to retreat.  The current
  *  game.oldloc is saved in game.oldlc2, in case he dies.  (if he
  *  does, game.newloc will be limbo, and game.oldloc will be what killed
@@ -556,9 +556,10 @@ static bool playermove(FILE *cmdin, token_t verb, int motion)
     }
     else if (motion == LOOK) {
 	/*  Look.  Can't give more detail.  Pretend it wasn't dark
-	 *  (though it may "now" be dark) so he won't fall into a
+	 *  (though it may now be dark) so he won't fall into a
 	 *  pit while staring into the gloom. */
-	if (game.detail < 3)RSPEAK(NO_MORE_DETAIL);
+	if (game.detail < 3)
+	    RSPEAK(NO_MORE_DETAIL);
 	++game.detail;
 	game.wzdark=false;
 	game.abbrev[game.loc]=0;
@@ -566,7 +567,7 @@ static bool playermove(FILE *cmdin, token_t verb, int motion)
     }
     else if (motion == CAVE) {
 	/*  Cave.  Different messages depending on whether above ground. */
-	RSPEAK((OUTSID(game.loc) && game.loc != 8) ? FOLLOW_STREAM : NEED_DETAIL);
+	RSPEAK((OUTSID(game.loc) && game.loc != LOC_GRATE) ? FOLLOW_STREAM : NEED_DETAIL);
 	return true;
     }
     else {
@@ -581,6 +582,7 @@ static bool playermove(FILE *cmdin, token_t verb, int motion)
 	if (MOD(scratchloc,1000) == 1 || MOD(scratchloc,1000) == motion)
 	    break;
 	if (TRAVEL[kk] < 0) {
+	    /* FIXME: Magic numbers! */
 	    /*  Non-applicable motion.  Various messages depending on
 	     *  word given. */
 	    int spk=CANT_APPLY;
@@ -640,6 +642,7 @@ static bool playermove(FILE *cmdin, token_t verb, int motion)
 		 *  emerald.  Note: travel table must include "useless"
 		 *  entries going through passage, which can never be used for
 		 *  actual motion, but can be spotted by "go back". */
+		/* FIXME: Arithmetic on location numbers */
 		game.newloc=99+100-game.loc;
 		if (game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD)))
 		    return true;
@@ -695,7 +698,8 @@ static bool playermove(FILE *cmdin, token_t verb, int motion)
 	    BUG(20);
 	}
     } while
-	    (false);
+	(false);
+    /* FIXME: Arithmetic on location number, becoming a message number */
     RSPEAK(game.newloc-500);
     game.newloc=game.loc;
     return true;
@@ -901,8 +905,8 @@ static void listobjects(void)
 static bool do_command(FILE *cmdin)
 /* Get and execute a command */ 
 {
-    long KQ, verb, V1, V2;
-    long i, k, KMOD;
+    long kq, verb, V1, V2;
+    long i, k, kmod;
     static long igo = 0;
     static long obj = 0;
     enum speechpart part;
@@ -950,7 +954,7 @@ static bool do_command(FILE *cmdin)
 		croak(cmdin);
 		continue;	/* back to top of main interpreter loop */
 	    }
-	    msg=arbitrary_messages[16];
+	    msg=arbitrary_messages[PITCH_DARK];
 	}
 	if (TOTING(BEAR))RSPEAK(TAME_BEAR);
 	newspeak(msg);
@@ -1060,18 +1064,18 @@ static bool do_command(FILE *cmdin)
 	    RSPEAK(DONT_KNOW);
 	    goto L2600;
 	}
-	KMOD=MOD(i,1000);
-	KQ=i/1000+1;
-	switch (KQ-1)
+	kmod=MOD(i,1000);
+	kq=i/1000+1;
+	switch (kq-1)
 	{
 	case 0:
-	    if (playermove(cmdin, verb, KMOD))
+	    if (playermove(cmdin, verb, kmod))
 		return true;
 	    else
 		continue;	/* back to top of main interpreter loop */
-	case 1: part=unknown; obj = KMOD; break;
-	case 2: part=intransitive; verb = KMOD; break;
-	case 3: RSPEAK(KMOD); goto L2012;
+	case 1: part=unknown; obj = kmod; break;
+	case 2: part=intransitive; verb = kmod; break;
+	case 3: RSPEAK(kmod); goto L2012;
 	default: BUG(22);
 	}