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

include/align.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	align.h	$NHDT-Date: 1604269810 2020/11/01 22:30:10 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.15 $ */
-/* Copyright (c) Mike Stephenson, Izchak Miller  1991.		  */
+/* Copyright (c) Mike Stephenson, Izchak Miller  1991.            */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef ALIGN_H

include/attrib.h

@@ -1,8 +1,8 @@
 /* NetHack 3.7	attrib.h	$NHDT-Date: 1596498527 2020/08/03 23:48:47 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.12 $ */
-/* Copyright 1988, Mike Stephenson				  */
+/* Copyright 1988, Mike Stephenson                                */
 /* NetHack may be freely redistributed.  See license for details. */
 
-/*	attrib.h - Header file for character class processing. */
+/*      attrib.h - Header file for character class processing. */
 
 #ifndef ATTRIB_H
 #define ATTRIB_H

include/config.h

@@ -287,7 +287,7 @@
  *      commenting it out.
  */
 
-#define ENHANCED_SYMBOLS
+/* #define ENHANCED_SYMBOLS */
 
 /*
  *      If COMPRESS is defined, it should contain the full path name of your

include/decl.h

@@ -361,17 +361,17 @@ E struct tc_gbl_data {   /* also declared in tcap.h */
  * provides all the subclasses that seem reasonable, and sets up for all
  * prefixes being null.  Port code can set those that it wants.
  */
-#define HACKPREFIX	0	/* shared, RO */
-#define LEVELPREFIX	1	/* per-user, RW */
-#define SAVEPREFIX	2	/* per-user, RW */
-#define BONESPREFIX	3	/* shared, RW */
-#define DATAPREFIX	4	/* dungeon/dlb; must match value in dlb.c */
-#define SCOREPREFIX	5	/* shared, RW */
-#define LOCKPREFIX	6	/* shared, RW */
-#define SYSCONFPREFIX	7	/* shared, RO */
-#define CONFIGPREFIX	8
-#define TROUBLEPREFIX	9	/* shared or per-user, RW (append-only) */
-#define PREFIX_COUNT	10
+#define HACKPREFIX      0  /* shared, RO */
+#define LEVELPREFIX     1  /* per-user, RW */
+#define SAVEPREFIX      2  /* per-user, RW */
+#define BONESPREFIX     3  /* shared, RW */
+#define DATAPREFIX      4  /* dungeon/dlb; must match value in dlb.c */
+#define SCOREPREFIX     5  /* shared, RW */
+#define LOCKPREFIX      6  /* shared, RW */
+#define SYSCONFPREFIX   7  /* shared, RO */
+#define CONFIGPREFIX    8
+#define TROUBLEPREFIX   9  /* shared or per-user, RW (append-only) */
+#define PREFIX_COUNT   10
 /* used in files.c; xxconf.h can override if needed */
 #ifndef FQN_MAX_FILENAME
 #define FQN_MAX_FILENAME 512
@@ -698,7 +698,7 @@ struct enum_dump {
     const char *nm;
 };
 
-typedef long cmdcount_nht;	/* Command counts */
+typedef long cmdcount_nht;    /* Command counts */
 
 enum {
     CQ_CANNED = 0, /* internal canned sequence */
@@ -1260,9 +1260,9 @@ struct instance_globals {
     short corpsenm_digested; /* monster type being digested, set by gulpum */
 
     /* vision.c */
-    seenV **viz_array; /* used in cansee() and couldsee() macros */
-    coordxy *viz_rmin;			/* min could see indices */
-    coordxy *viz_rmax;			/* max could see indices */
+    seenV **viz_array;   /* used in cansee() and couldsee() macros */
+    coordxy *viz_rmin;   /* min could see indices */
+    coordxy *viz_rmax;   /* max could see indices */
     boolean vision_full_recalc;
     int seethru; /* 'bubble' debugging: clouds and water don't block light */
 

include/dgn_file.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	dgn_file.h	$NHDT-Date: 1596498533 2020/08/03 23:48:53 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.10 $ */
-/* Copyright (c) 1989 by M. Stephenson				  */
+/* Copyright (c) 1989 by M. Stephenson                            */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef DGN_FILE_H
@@ -43,15 +43,15 @@ struct tmpbranch {
 };
 
 /*
- *	Values for type for tmpbranch structure.
+ *    Values for type for tmpbranch structure.
  */
 #define TBR_STAIR 0   /* connection with both ends having a staircase */
 #define TBR_NO_UP 1   /* connection with no up staircase */
 #define TBR_NO_DOWN 2 /* connection with no down staircase */
 #define TBR_PORTAL 3  /* portal connection */
 
 /*
- *	Flags that map into the dungeon flags bitfields.
+ *    Flags that map into the dungeon flags bitfields.
  */
 #define TOWN 1 /* levels only */
 #define HELLISH 2
@@ -66,7 +66,7 @@ struct tmpbranch {
 #define D_ALIGN_MASK 0x70
 
 /*
- *	Max number of prototype levels and branches.
+ *    Max number of prototype levels and branches.
  */
 #define LEV_LIMIT 50
 #define BRANCH_LIMIT 32

include/extern.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	extern.h	$NHDT-Date: 1657918089 2022/07/15 20:48:09 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.1132 $ */
-/* Copyright (c) Steve Creps, 1988.				  */
+/* Copyright (c) Steve Creps, 1988.                               */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef EXTERN_H

include/flag.h

@@ -378,10 +378,10 @@ struct instance_flags {
     boolean wc2_hitpointbar;  /* show graphical bar representing hit points */
     boolean wc2_guicolor;       /* allow colours in gui (outside map) */
     int wc_mouse_support;       /* allow mouse support */
-    int wc2_term_cols;		/* terminal width, in characters */
-    int wc2_term_rows;		/* terminal height, in characters */
+    int wc2_term_cols;          /* terminal width, in characters */
+    int wc2_term_rows;          /* terminal height, in characters */
     int wc2_statuslines;        /* default = 2, curses can handle 3 */
-    int wc2_windowborders;	/* display borders on NetHack windows */
+    int wc2_windowborders;      /* display borders on NetHack windows */
     int wc2_petattr;            /* text attributes for pet */
 #ifdef WIN32
 #define MAX_ALTKEYHANDLING 25

include/monattk.h

@@ -5,8 +5,8 @@
 #ifndef MONATTK_H
 #define MONATTK_H
 
-/*	Add new attack types below - ordering affects experience (exper.c).
- *	Attacks > AT_BUTT are worth extra experience.
+/*      Add new attack types below - ordering affects experience (exper.c).
+ *      Attacks > AT_BUTT are worth extra experience.
  */
 #define AT_ANY (-1) /* fake attack; dmgtype_fromattack wildcard */
 #define AT_NONE 0   /* passive monster (ex. acid blob) */
@@ -33,10 +33,10 @@
                                   || (atyp) == AT_MAGC \
                                   || (atyp) == AT_GAZE)
 
-/*	Add new damage types below.
+/*      Add new damage types below.
  *
- *	Note that 1-10 correspond to the types of attack used in buzz().
- *	Please don't disturb the order unless you rewrite the buzz() code.
+ *      Note that 1-10 correspond to the types of attack used in buzz().
+ *      Please don't disturb the order unless you rewrite the buzz() code.
  */
 #define AD_ANY (-1) /* fake damage; attacktype_fordmg wildcard */
 #define AD_PHYS 0   /* ordinary physical */

include/mondata.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	mondata.h	$NHDT-Date: 1606473485 2020/11/27 10:38:05 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.45 $ */
-/* Copyright (c) 1989 Mike Threepoint				  */
+/* Copyright (c) 1989 Mike Threepoint                             */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef MONDATA_H

include/monflag.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	monflag.h	$NHDT-Date: 1596498549 2020/08/03 23:49:09 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.21 $ */
-/* Copyright (c) 1989 Mike Threepoint				  */
+/* Copyright (c) 1989 Mike Threepoint                             */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef MONFLAG_H

include/monst.h

@@ -41,7 +41,7 @@ enum wpn_chk_flags {
  * PICK_NONE, PICK_ONE, PICK_ANY (wintype.h)  0, 1, 2
  * MINV_NOLET  If set, don't display inventory letters on monster's inventory.
  * MINV_ALL    If set, display all items in monster's inventory, otherwise
- *	       just display wielded weapons and worn items.
+ *             just display wielded weapons and worn items.
  */
 #define MINV_PICKMASK 0x03 /* 1|2 */
 #define MINV_NOLET    0x04

include/pcconf.h

@@ -18,7 +18,7 @@
  *     _MSC_VER is defined automatically by Microsoft C.
  *     __BORLANDC__ is defined automatically by Borland C.
  *     __SC__ is defined automatically by Symantec C.
- *	Note: 3.6.x was not verified with Symantec C.
+ *     Note: 3.6.x was not verified with Symantec C.
  */
 
 #define CONFIG_FILE "defaults.nh"
@@ -43,10 +43,10 @@
  * Screen control options
  *
  * You may uncomment:
- *		       ANSI_DEFAULT
- *		  or   TERMLIB
- *		  or   ANSI_DEFAULT and TERMLIB
- *		  or   NO_TERMS
+ *    ANSI_DEFAULT
+ *    or   TERMLIB
+ *    or   ANSI_DEFAULT and TERMLIB
+ *    or   NO_TERMS
  */
 
 /* # define TERMLIB */ /* enable use of termcap file /etc/termcap */
@@ -61,7 +61,7 @@
 
 #ifdef NO_TERMS     /* if NO_TERMS select one screen package below */
 #define SCREEN_BIOS /* Use bios calls for all screen control */
-/* #define SCREEN_DJGPPFAST */ /* Use djgpp fast screen routines	*/
+/* #define SCREEN_DJGPPFAST */ /* Use djgpp fast screen routines */
 #endif
 
 /* # define PC9800 */ /* Allows NetHack to run on NEC PC-9800 machines */
@@ -76,7 +76,7 @@
 #ifndef SUPPRESS_GRAPHICS
 #if (defined(SCREEN_BIOS) || defined(SCREEN_DJGPPFAST)) && !defined(PC9800)
 #ifdef USE_TILES
-#define SCREEN_VGA /* Include VGA	  graphics routines in the build */
+#define SCREEN_VGA /* Include VGA graphics routines in the build */
 #define SCREEN_VESA
 #endif
 #endif
@@ -96,7 +96,7 @@
 
 #define MAIL /* Allows for fake mail daemon to deliver mail */
              /* in the MSDOS version.  (For AMIGA MAIL see  */
-             /* amiconf.h).	In the future this will be the */
+             /* amiconf.h).  In the future this will be the */
              /* hook for mail reader implementation.        */
 
 /* The following is needed for prototypes of certain functions */
@@ -215,9 +215,9 @@
 #define VROOMM /* Borland's VROOMM overlay system */
 #endif
 #if !defined(STKSIZ)
-#define STKSIZ 5 * 1024 /* Use a default of 5K stack for Borland C	*/
+#define STKSIZ 5 * 1024 /* Use a default of 5K stack for Borland C      */
                         /* This macro is used in any file that contains */
-                        /* a main() function.				*/
+                        /* a main() function.                           */
 #endif
 #define PC_LOCKING
 #endif
@@ -288,7 +288,7 @@
                            */
 #endif
 #else
-/* djgpp C compiler	*/
+/* djgpp C compiler */
 #if defined(SCREEN_BIOS)
 #undef SCREEN_BIOS
 #endif

include/permonst.h

@@ -6,29 +6,29 @@
 #ifndef PERMONST_H
 #define PERMONST_H
 
-/*	This structure covers all attack forms.
- *	aatyp is the gross attack type (eg. claw, bite, breath, ...)
- *	adtyp is the damage type (eg. physical, fire, cold, spell, ...)
- *	damn is the number of hit dice of damage from the attack.
- *	damd is the number of sides on each die.
+/*     This structure covers all attack forms.
+ *     aatyp is the gross attack type (eg. claw, bite, breath, ...)
+ *     adtyp is the damage type (eg. physical, fire, cold, spell, ...)
+ *     damn is the number of hit dice of damage from the attack.
+ *     damd is the number of sides on each die.
  *
- *	Some attacks can do no points of damage.  Additionally, some can
- *	have special effects *and* do damage as well.  If damn and damd
- *	are set, they may have a special meaning.  For example, if set
- *	for a blinding attack, they determine the amount of time blinded.
+ *     Some attacks can do no points of damage.  Additionally, some can
+ *     have special effects *and* do damage as well.  If damn and damd
+ *     are set, they may have a special meaning.  For example, if set
+ *     for a blinding attack, they determine the amount of time blinded.
  */
 
 struct attack {
     uchar aatyp;
     uchar adtyp, damn, damd;
 };
 
-/*	Max # of attacks for any given monster.
+/*     Max # of attacks for any given monster.
  */
 
 #define NATTK 6
 
-/*	Weight of a human body
+/*     Weight of a human body
  */
 
 #define WT_HUMAN 1450
@@ -58,7 +58,7 @@ struct permonst {
     unsigned long mflags1,      /* boolean bitflags */
         mflags2;                /* more boolean bitflags */
     unsigned short mflags3;     /* yet more boolean bitflags */
-    uchar difficulty;		/* toughness (formerly from  makedefs -m) */
+    uchar difficulty;           /* toughness (formerly from  makedefs -m) */
 #ifdef TEXTCOLOR
     uchar mcolor; /* color to use */
 #endif

include/prop.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	prop.h	$NHDT-Date: 1596498555 2020/08/03 23:49:15 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.22 $ */
-/* Copyright (c) 1989 Mike Threepoint				  */
+/* Copyright (c) 1989 Mike Threepoint                             */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef PROP_H

include/quest.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	quest.h	$NHDT-Date: 1596498556 2020/08/03 23:49:16 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.11 $ */
-/* Copyright (c) Mike Stephenson 1991.				  */
+/* Copyright (c) Mike Stephenson 1991.                            */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef QUEST_H

include/rect.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	rect.h	$NHDT-Date: 1596498557 2020/08/03 23:49:17 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.9 $ */
-/* Copyright (c) 1990 by Jean-Christophe Collet			  */
+/* Copyright (c) 1990 by Jean-Christophe Collet                   */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef RECT_H

include/region.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	region.h	$NHDT-Date: 1596498557 2020/08/03 23:49:17 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.15 $ */
-/* Copyright (c) 1996 by Jean-Christophe Collet			  */
+/* Copyright (c) 1996 by Jean-Christophe Collet                   */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef REGION_H

include/rm.h

@@ -9,7 +9,7 @@
 /*
  * The dungeon presentation graphics code and data structures were rewritten
  * and generalized for NetHack's release 2 by Eric S. Raymond (eric@snark)
- * building on Don G Kneller's MS-DOS implementation.	See drawing.c for
+ * building on Don G Kneller's MS-DOS implementation. See drawing.c for
  * the code that permits the user to set the contents of the symbol structure.
  *
  * The door representation was changed by Ari

include/sp_lev.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	sp_lev.h	$NHDT-Date: 1622361649 2021/05/30 08:00:49 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.47 $ */
-/* Copyright (c) 1989 by Jean-Christophe Collet			  */
+/* Copyright (c) 1989 by Jean-Christophe Collet                   */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef SP_LEV_H

include/spell.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	spell.h	$NHDT-Date: 1646838388 2022/03/09 15:06:28 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.14 $ */
-/* Copyright 1986, M. Stephenson				  */
+/* Copyright 1986, M. Stephenson                                  */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef SPELL_H

include/timeout.h

@@ -1,5 +1,5 @@
 /* NetHack 3.7	timeout.h	$NHDT-Date: 1596498564 2020/08/03 23:49:24 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.13 $ */
-/* Copyright 1994, Dean Luick					  */
+/* Copyright 1994, Dean Luick                                     */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #ifndef TIMEOUT_H

include/vision.h

@@ -1,6 +1,6 @@
 /* NetHack 3.7	vision.h	$NHDT-Date: 1666478832 2022/10/22 22:47:12 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.15 $ */
 /* Copyright (c) Dean Luick, with acknowledgements to Dave Cohrs, 1990. */
-/* NetHack may be freely redistributed.  See license for details.	*/
+/* NetHack may be freely redistributed.  See license for details.       */
 
 #ifndef VISION_H
 #define VISION_H
@@ -16,10 +16,10 @@
 #define LS_MONSTER 1
 
 /*
- *  cansee()	- Returns true if the hero can see the location.
+ *  cansee()    - Returns true if the hero can see the location.
  *
- *  couldsee()	- Returns true if the hero has a clear line of sight to
- *		  the location.
+ *  couldsee()  - Returns true if the hero has a clear line of sight to
+ *                the location.
  */
 #define cansee(x, y) ((g.viz_array[y][x] & IN_SIGHT) != 0)
 #define couldsee(x, y) ((g.viz_array[y][x] & COULD_SEE) != 0)
@@ -28,12 +28,12 @@
 /*
  *  The following assume the monster is not blind.
  *
- *  m_cansee()	- Returns true if the monster can see the given location.
+ *  m_cansee()  - Returns true if the monster can see the given location.
  *
  *  m_canseeu() - Returns true if the monster could see the hero.  Assumes
- *		  that if the hero has a clear line of sight to the monster's
- *		  location and the hero is visible, then monster can see the
- *		  hero.
+ *                that if the hero has a clear line of sight to the monster's
+ *                location and the hero is visible, then monster can see the
+ *                hero.
  */
 #define m_cansee(mtmp, x2, y2) clear_path((mtmp)->mx, (mtmp)->my, (x2), (y2))