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/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

sys/msdos/tile2bin.c

@@ -5,10 +5,10 @@
 /*
  * Edit History:
  *
- *	Initial Creation			M.Allison	93/10/21
- *	ifndef MONITOR_HEAP for heaputil.c	P.Winner	94/03/12
- *      added Borland C _stklen variable	Y.Sapir		94/05/01
- *	fixed to use text tiles from win/share	M.Allison	95/01/31
+ *    Initial Creation                          M.Allison    1993/10/21
+ *    ifndef MONITOR_HEAP for heaputil.c        P.Winner     1994/03/12
+ *    added Borland C _stklen variable          Y.Sapir      1994/05/01
+ *    fixed to use text tiles from win/share    M.Allison    1995/01/31
  *
  */
 

sys/msdos/video.c

@@ -1,7 +1,7 @@
 /* NetHack 3.7	video.c	$NHDT-Date: 1596498277 2020/08/03 23:44:37 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.16 $ */
 /*   Copyright (c) NetHack PC Development Team 1993, 1994, 2001     */
 /*   NetHack may be freely redistributed.  See license for details. */
-/*								    */
+
 /*
  * video.c - Hardware video support front-ends
  *