diff --git a/doc/fixes3-7-0.txt b/doc/fixes3-7-0.txt
index bc981a281..ade908194 100644
--- a/doc/fixes3-7-0.txt
+++ b/doc/fixes3-7-0.txt
@@ -1399,6 +1399,7 @@ gold thrown or kicked at a sleeping monster with the 'greedy' attribute gets
 	neglected to report that target monster was awakened in the process
 hero movement affects the water bubble movement direction
 pets and peacefuls avoid a location hero just kicked
+shopkeepers bill you for using their bear trap or land mine
 
 
 Fixes to 3.7.0-x General Problems Exposed Via git Repository
diff --git a/include/extern.h b/include/extern.h
index 85ec516c2..113984202 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -2847,6 +2847,7 @@ extern void globby_bill_fixup(struct obj *, struct obj *) NONNULLARG12;
 /*extern void globby_donation(struct obj *, struct obj *); */
 extern void credit_report(struct monst *shkp, int idx,
                           boolean silent) NONNULLARG1;
+extern void use_unpaid_trapobj(struct obj *, coordxy, coordxy) NONNULLARG1;
 
 /* ### shknam.c ### */
 
diff --git a/src/apply.c b/src/apply.c
index 709807ffc..6c18cb039 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -2880,6 +2880,7 @@ use_trap(struct obj *otmp)
         }
     }
     You("begin setting %s%s.", shk_your(buf, otmp), trapname(ttyp, FALSE));
+    use_unpaid_trapobj(otmp, u.ux, u.uy);
     set_occupation(set_trap, occutext, 0);
     return;
 }
diff --git a/src/coloratt.c b/src/coloratt.c
index 762a80bec..8e68a469d 100644
--- a/src/coloratt.c
+++ b/src/coloratt.c
@@ -219,6 +219,10 @@ static struct nethack_color colortable[] = {
   { rgb_color, 154, 138, "white",                   "#FFFFFF", 255, 255, 255 },
 };
 
+#ifdef CHANGE_COLOR
+staticfn int32 alt_color_spec(const char *cp);
+#endif
+
 int32
 colortable_to_int32(struct nethack_color *cte)
 {
@@ -1068,6 +1072,9 @@ alternative_palette(char *op)
 
     if (c_colorval && coloridx >= 0 && coloridx < CLR_MAX) {
         rgb = rgbstr_to_int32(c_colorval);
+        if (rgb == -1) {
+            rgb = alt_color_spec(c_colorval);
+        }
         if (rgb != -1) {
             ga.altpalette[coloridx] = (uint32) rgb | NH_ALTPALETTE;
             /* use COLORVAL(ga.altpalette[coloridx]) to get
@@ -1085,11 +1092,68 @@ change_palette(void)
 
     for (clridx = 0; clridx < CLR_MAX; ++clridx) {
         if (ga.altpalette[clridx] != 0) {
-            long rgb = (long) (ga.altpalette[clridx] & ~NH_ALTPALETTE);
+            long rgb = (long) COLORVAL(ga.altpalette[clridx]);
             (*windowprocs.win_change_color)(clridx, rgb, 0);
         }
     }
 }
+
+staticfn int32
+alt_color_spec(const char *str)
+{
+    static NEARDATA const char oct[] = "01234567", dec[] = "0123456789";
+    /* hexdd[] is defined in decl.c */
+
+    const char *dp, *cp = str;
+    int32 cval = -1;
+    int dcount, dlimit = 6;
+    boolean hexescape = FALSE, octescape = FALSE;
+
+    dcount = 0; /* for decimal, octal, hexadecimal cases */
+    hexescape =
+        (*cp == '\\' && cp[1] && (cp[1] == 'x' || cp[1] == 'X') && cp[2]);
+    if (!hexescape) {
+        octescape =
+            (*cp == '\\' && cp[1] && (cp[1] == 'o' || cp[1] == 'O') && cp[2]);
+    }
+
+    if (hexescape || octescape) {
+        cval = 0;
+        cp += 2;
+        if (octescape)
+            dlimit = 8;
+    } else if (*cp == '#' && cp[1]) {
+        hexescape = TRUE;
+        cval = 0;
+        cp += 1;
+    } else if (cp[1]) {
+        cval = 0;
+        dlimit = 8;
+    } else if (!cp[1]) {
+        if (strchr(dec, *cp) != 0) {
+            /* simple val, or nothing left for \ to escape */
+            cval = (*cp - '0');
+        }
+        dlimit = 1;
+        cp++;
+    }
+
+    while (*cp) {
+        if (!hexescape && !octescape && strchr(dec, *cp)) {
+            cval = (cval * 10) + (*cp - '0');
+        } else if (octescape && strchr(oct, *cp)) {
+            cval = (cval * 8) + (*cp - '0');
+        } else if (hexescape && (dp = strchr(hexdd, *cp)) != 0) {
+            cval = (cval * 16) + ((int) (dp - hexdd) / 2);
+        }
+        ++cp;
+        if (++dcount > dlimit) {
+            cval = -1;
+            break;
+        }
+    }
+    return cval;
+}
 #endif /* CHANGE_COLOR */
 
 /*coloratt.c*/
diff --git a/src/shk.c b/src/shk.c
index 25fd6ebf4..e0b638ce0 100644
--- a/src/shk.c
+++ b/src/shk.c
@@ -5523,4 +5523,21 @@ globby_bill_fixup(struct obj *obj_absorber, struct obj *obj_absorbed)
     return;
 }
 
+/* Shopkeeper bills for use of a land mine or bear trap they own */
+void
+use_unpaid_trapobj(struct obj *otmp, coordxy x, coordxy y)
+{
+    if (otmp->unpaid) {
+        if (!Deaf) {
+            struct monst *shkp = find_objowner(otmp, x, y);
+
+            if (shkp && !muteshk(shkp)) {
+                SetVoice(shkp, 0, 80, 0);
+                verbalize("You set it, you buy it!");
+            }
+        }
+        bill_dummy_object(otmp);
+    }
+}
+
 /*shk.c*/
diff --git a/sys/windows/consoletty.c b/sys/windows/consoletty.c
index 55f89dee6..0c40e18b3 100644
--- a/sys/windows/consoletty.c
+++ b/sys/windows/consoletty.c
@@ -2000,21 +2000,6 @@ tty_ibmgraphics_fixup(void)
 #endif /* VIRTUAL_TERMINAL_SEQUENCES */
 }
 
-#ifdef CHANGE_COLOR
-#ifdef NO_TERMS
-void
-tty_change_color(int color UNUSED, long rgb UNUSED, int reverse UNUSED)
-{
-}
-
-char *
-tty_get_color_string(void)
-{
-    return ("");
-}
-#endif
-#endif /* CHANGE_COLOR */
-
 #ifdef PORT_DEBUG
 void
 win32con_debug_keystrokes(void)