some tabs to spaces

cd src
    grep -P -n '\t' *.c | grep -v "1:"
    cd ../include
    grep -P -n '\t' *.h | grep -v "1:"
    cd ..

side note: win/Qt/*.cpp are full of tabs

src/allmain.c

@@ -687,7 +687,7 @@ newgame(void)
                        * any artifacts */
     u_init();
 
-    l_nhcore_init();	/* create a Lua state that lasts until the end of the game */
+    l_nhcore_init();  /* create a Lua state that lasts until the end of the game */
     reset_glyphmap(gm_newgame);
 #ifndef NO_SIGNAL
     (void) signal(SIGINT, (SIG_RET_TYPE) done1);

src/artifact.c

@@ -117,7 +117,7 @@ restore_artifacts(NHFILE *nhfp)
         mread(nhfp->fd, (genericptr_t) artiexist, sizeof artiexist);
         mread(nhfp->fd, (genericptr_t) artidisco, sizeof artidisco);
     }
-    hack_artifacts();	/* redo non-saved special cases */
+    hack_artifacts();   /* redo non-saved special cases */
 }
 
 const char *

src/cmd.c

@@ -4143,7 +4143,7 @@ wiz_mon_diff(void)
                      ptr->pmnames[NEUTRAL], cnt, mlev,
                      mcalculated, mhardcoded, mdiff);
             putstr(win, 0, buf);
-	}
+        }
     }
     if (!trouble)
         putstr(win, 0, "No monster difficulty discrepencies were detected.");

src/date.c

@@ -26,8 +26,8 @@ struct nomakedefs_s nomakedefs = {
        comp.sources.games/91SfKYg_xzI/dGnR3JnspFkJ */
     "Tue, 28-Jul-87 13:18:57 EDT",
     "Version 1.0, built Jul 28 13:18:57 1987.",
-    (const char *) 0,	/* git_sha */
-    (const char *) 0,	/* git_branch */
+    (const char *) 0,   /* git_sha */
+    (const char *) 0,   /* git_branch */
     "1.0.0-0",
     "NetHack Version 1.0.0-0 - last build Tue Jul 28 13:18:57 1987.",
     0x01010000UL,

src/decl.c

@@ -204,9 +204,9 @@ const struct instance_globals g_init = {
     0,  /* mrank_sz */
     { { { NULL, NULL, 0L, FALSE, FALSE, 0, 0U, { 0 }, NULL, 0, 0, 0
 #ifdef STATUS_HILITES
-	  , UNDEFINED_PTR, UNDEFINED_PTR
+            , UNDEFINED_PTR, UNDEFINED_PTR
 #endif
-	} }
+    } }
     }, /* blstats */
     FALSE, /* blinit */
     FALSE, /* update_all */
@@ -474,7 +474,7 @@ const struct instance_globals g_init = {
 
     /* mkmaze.c */
     { {COLNO, ROWNO, 0, 0}, {COLNO, ROWNO, 0, 0},
-	    FALSE, FALSE, 0, 0, { 0 } }, /* bughack */
+            FALSE, FALSE, 0, 0, { 0 } }, /* bughack */
     UNDEFINED_PTR, /* bbubbles */
     UNDEFINED_PTR, /* ebubbles */
     UNDEFINED_PTR, /* wportal */

src/display.c

@@ -1483,7 +1483,7 @@ extern glyph_map glyphmap[MAX_GLYPH]; /* from tile.c */
 glyph_map glyphmap[MAX_GLYPH] = {
     { 0U, { 0, 0}, 0
 #ifdef ENHANCED_SYMBOLS
-	    , 0
+            , 0
 #endif
     }
 };

src/dlb.c

@@ -9,7 +9,7 @@
 #include <string.h>
 #endif
 
-#define DATAPREFIX 4		/* see decl.h */
+#define DATAPREFIX 4        /* see decl.h */
 
 #ifdef DLB
 /*

src/dungeon.c

@@ -753,7 +753,7 @@ init_dungeons(void)
     (void) memset(&pd, 0, sizeof (struct proto_dungeon));
     pd.n_levs = pd.n_brs = 0;
 
-    L = nhl_init(&sbi);	/* private Lua state for this function */
+    L = nhl_init(&sbi); /* private Lua state for this function */
     if (!L) {
         panic1("'nhl_init' failed; can't continue.");
         /*NOTREACHED*/

src/engrave.c

@@ -1385,7 +1385,7 @@ rest_engravings(NHFILE *nhfp)
         }
         ep->nxt_engr = head_engr;
         head_engr = ep;
-        ep->engr_txt = (char *) (ep + 1);	/* Andreas Bormann */
+        ep->engr_txt = (char *) (ep + 1);    /* Andreas Bormann */
         /* mark as finished for bones levels -- no problem for
          * normal levels as the player must have finished engraving
          * to be able to move again */

src/invent.c

@@ -3245,7 +3245,7 @@ display_pickinv(
         sparse = ((wri_info.fromcore.invmode & InvSparse) != 0);
         inuse_only = ((wri_info.fromcore.invmode & InvInUse) != 0);
         doing_perm_invent = TRUE;
-	nhUse(sparse);
+        nhUse(sparse);
     }
     /*
      * Exit early if no inventory -- but keep going if we are doing

src/restore.c

@@ -1484,7 +1484,7 @@ validate(NHFILE* nhfp, const char *name)
     } else {
         if (nhfp->structlevel)
             rlen = (readLenType) read(nhfp->fd, (genericptr_t) &sfi, sizeof sfi);
-        minit();		/* ZEROCOMP */
+        minit();        /* ZEROCOMP */
         if (rlen == 0) {
             if (verbose) {
                 pline("File \"%s\" is empty during save file feature check?", name);

src/sp_lev.c

@@ -3443,18 +3443,18 @@ int
 lspo_object(lua_State *L)
 {
     static object zeroobject = {
-	    { 0 },   /* Str_or_len name */
-	    0,       /* corpsenm */
-	    0, 0,    /* id, spe */
-	    0,       /* coord */
-	    0, 0,    /* coordxy x,y */
-	    0, 0,    /* class, containment */
-	    0,       /* curse_state */
-	    0,       /* quan */
-	    0,       /* buried */
-	    0,       /* lit */
-	    0, 0, 0, 0, 0, 0, 0, 0, /* eroded, locked, trapped, recharged,
-				       invis, greased, broken, achievment */
+            { 0 },   /* Str_or_len name */
+            0,       /* corpsenm */
+            0, 0,    /* id, spe */
+            0,       /* coord */
+            0, 0,    /* coordxy x,y */
+            0, 0,    /* class, containment */
+            0,       /* curse_state */
+            0,       /* quan */
+            0,       /* buried */
+            0,       /* lit */
+            0, 0, 0, 0, 0, 0, 0, 0, /* eroded, locked, trapped, recharged,
+                                       invis, greased, broken, achievment */
     };
 #if 0
     int nparams = 0;