diff --git a/doc/.gitattributes b/doc/.gitattributes
index 19574823a..aa49837d0 100644
--- a/doc/.gitattributes
+++ b/doc/.gitattributes
@@ -1,4 +1,5 @@
 *.mn	NHSUBST
+*.tex	NHSUBST
 *.6	NHSUBST
 *.7	NHSUBST
 fixes*	NHSUBST
diff --git a/doc/Guidebook.mn b/doc/Guidebook.mn
index ab187f4d9..0bc716354 100644
--- a/doc/Guidebook.mn
+++ b/doc/Guidebook.mn
@@ -1,4 +1,4 @@
-.\" $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.527 $ $NHDT-Date: 1690870385 2023/08/01 06:13:05 $
+.\" $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.530 $ $NHDT-Date: 1693082582 2023/08/26 20:43:02 $
 .\"
 .\" This is an excerpt from the 'roff' man page from the 'groff' package.
 .\"+--
@@ -6001,6 +6001,12 @@ When available, it should be left commented out on single player
 installations because over time the file could grow to be extremely
 large unless it is actively maintained.
 .
+.lp
+CRASHREPORTURL\ =\ If set to
+\f(CRhttps://www.nethack.org/common/contact.html\fp
+and support is compiled in, brings up a browser window populated with
+the information needed to report a problem if the game panics or ends
+up in an internally inconsistent state.
 .hn 1
 Scoring
 .pg
diff --git a/doc/Guidebook.tex b/doc/Guidebook.tex
index cfd2620bf..1b7de3ccd 100644
--- a/doc/Guidebook.tex
+++ b/doc/Guidebook.tex
@@ -1,5 +1,5 @@
 \documentstyle[titlepage,longtable]{article}
-% NetHack 3.7  Guidebook.tex $NHDT-Date: 1431192762 2015/12/16 17:32:42 $  $NHDT-Branch: master $:$NHDT-Revision: 1.60 $ */
+% NetHack 3.7  Guidebook.tex $NHDT-Date: 1693084080 2023/08/26 21:08:00 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.530 $ */
 %+% we're still limping along in LaTeX 2.09 compatibility mode
 %-%\documentclass{article}
 %-%\usepackage{hyperref} % before longtable
@@ -6608,6 +6608,13 @@ Only relevant if the program was built with LIVELOG enabled.
 When available, it should be left commented out on single player
 installations because over time the file could grow to be extremely
 large unless it is actively maintained.
+%.lp
+\item[\ib{CRASHREPORTURL}]
+If set to
+{\tt https://www.nethack.org/common/contact.html}
+and support is compiled in, brings up a browser window populated with
+the information needed to report a problem if the game panics or ends
+up in an internally inconsistent state.
 \elist
 
 %.hn 1
diff --git a/doc/makedefs.6 b/doc/makedefs.6
index 50a8a1638..66638e807 100644
--- a/doc/makedefs.6
+++ b/doc/makedefs.6
@@ -8,8 +8,8 @@
 .de NR
 .ds Nr \\$2
 ..
-.NB $NHDT-Branch: NetHack-3.7 $
-.NR $NHDT-Revision: 1.18 $
+.NB $NHDT-Branch: keni-crashweb2 $
+.NR $NHDT-Revision: 1.21 $
 .ds Na Kenneth Lorber
 .SH NAME
 makedefs \- NetHack miscellaneous build-time functions
@@ -172,6 +172,11 @@ Turn on debug tracing for the grep function (
 must be specified as well).
 .br
 .TP
+.BI --grep-defined " symbol"
+Exit shell true (0) if
+.I symbol
+is known and defined, otherwise exit shell false (1).
+.TP
 .BI --grep-define " symbol"
 Force the value of
 .I symbol
diff --git a/include/config.h b/include/config.h
index 8012cb15c..aea61820a 100644
--- a/include/config.h
+++ b/include/config.h
@@ -1,4 +1,4 @@
-/* NetHack 3.7	config.h	$NHDT-Date: 1610141601 2021/01/08 21:33:21 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.148 $ */
+/* NetHack 3.7	config.h	$NHDT-Date: 1693359531 2023/08/30 01:38:51 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.175 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2016. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -205,6 +205,10 @@
  *            The following options pertain to crash reporting:
  *              GREPPATH     (the path to the system grep(1) utility)
  *              GDBPATH      (the path to the system gdb(1) program)
+ *              CRASHREPORT  (use CRASHREPORTURL if defined in syscf; this
+ *                           define specifies the name of the helper program
+ *                           used to launch the browser and enables the
+ *                           feature))
  *            Regular nethack options can also be specified in order to
  *            provide system-wide default values local to your system:
  *              OPTIONS      (same as in users' .nethackrc or defaults.nh)
@@ -235,6 +239,17 @@
 #define GREPPATH "/bin/grep"
 #endif
 
+#ifndef CRASHREPORT
+# ifdef MACOS
+    /* NB: This needs to be a full path unless it's in the playground. */
+//#define CRASHREPORT "NetHackCrashReport.JavaScript"
+# endif
+# ifdef __linux__
+    /* NB: This expects to find the nhlua binary as "./nhlua" */
+//#define CRASHREPORT "nhcrashreport.lua"
+# endif
+#endif
+
 /* note: "larger" is in comparison with 'record', the high-scores file
    (whose name can be overridden via #define in global.h if desired) */
 #define LOGFILE  "logfile"  /* larger file for debugging purposes */
diff --git a/include/extern.h b/include/extern.h
index 102e41e7c..7459e9b0d 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -1,4 +1,4 @@
-/* NetHack 3.7	extern.h	$NHDT-Date: 1689629242 2023/07/17 21:27:22 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.1279 $ */
+/* NetHack 3.7	extern.h	$NHDT-Date: 1693359531 2023/08/30 01:38:51 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.1281 $ */
 /* Copyright (c) Steve Creps, 1988.                               */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -24,7 +24,7 @@ extern unsigned FITSuint_(unsigned long long, const char *, int);
 
 /* ### allmain.c ### */
 
-extern void early_init(void);
+extern void early_init(int, char *[]);
 extern void moveloop_core(void);
 extern void moveloop(boolean);
 extern void stop_occupation(void);
@@ -814,6 +814,11 @@ extern struct kinfo *find_delayed_killer(int);
 extern void dealloc_killer(struct kinfo *);
 extern void save_killers(NHFILE *);
 extern void restore_killers(NHFILE *);
+#ifdef CRASHREPORT
+extern boolean submit_web_report(const char *, char *);
+extern void crashreport_init(int, char *[]);
+extern void crashreport_bidshow(void);
+#endif
 extern char *build_english_list(char *);
 #if defined(PANICTRACE) && !defined(NO_SIGNAL)
 extern void panictrace_setsignals(boolean);
diff --git a/include/hack.h b/include/hack.h
index 75dd2ba7e..e2e5f4e18 100644
--- a/include/hack.h
+++ b/include/hack.h
@@ -1,4 +1,4 @@
-/* NetHack 3.7	hack.h	$NHDT-Date: 1689629241 2023/07/17 21:27:21 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.222 $ */
+/* NetHack 3.7	hack.h	$NHDT-Date: 1693359531 2023/08/30 01:38:51 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.223 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Pasi Kallinen, 2017. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -417,6 +417,9 @@ enum earlyarg {
 #ifdef WIN32
     , ARG_WINDOWS
 #endif
+#ifdef CRASHREPORT
+    , ARG_BIDSHOW
+#endif
 };
 
 struct early_opt {
diff --git a/include/sys.h b/include/sys.h
index 38d4eba5a..32d9221cc 100644
--- a/include/sys.h
+++ b/include/sys.h
@@ -1,4 +1,4 @@
-/* NetHack 3.7	sys.h	$NHDT-Date: 1646255373 2022/03/02 21:09:33 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.38 $ */
+/* NetHack 3.7	sys.h	$NHDT-Date: 1693083207 2023/08/26 20:53:27 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.41 $ */
 /* Copyright (c) Kenneth Lorber, Kensington, Maryland, 2008. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -40,6 +40,7 @@ struct sysopt {
     /* panic options */
     char *gdbpath;
     char *greppath;
+    char *crashreporturl;
     int panictrace_gdb;
     int panictrace_libc;
 
diff --git a/src/allmain.c b/src/allmain.c
index ad2896654..a2c31d56c 100644
--- a/src/allmain.c
+++ b/src/allmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	allmain.c	$NHDT-Date: 1688415115 2023/07/03 20:11:55 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.219 $ */
+/* NetHack 3.7	allmain.c	$NHDT-Date: 1693359544 2023/08/30 01:39:04 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.220 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2012. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -26,9 +26,14 @@ static void debug_fields(const char *);
 static void dump_enums(void);
 #endif
 
+/*ARGSUSED*/
 void
-early_init(void)
+early_init(int argc UNUSED, char *argv[] UNUSED)
 {
+#ifdef CRASHREPORT
+	// Do this as early as possible, but let ports do other things first.
+    crashreport_init(argc, argv);
+#endif
     decl_globals_init();
     objects_globals_init();
     monst_globals_init();
@@ -906,6 +911,9 @@ static const struct early_opt earlyopts[] = {
 #ifdef WIN32
     { ARG_WINDOWS, "windows", 4, TRUE },
 #endif
+#ifdef CRASHREPORT
+    { ARG_BIDSHOW, "bidshow", 7, FALSE },
+#endif
 };
 
 #ifdef WIN32
@@ -990,6 +998,11 @@ argcheck(int argc, char *argv[], enum earlyarg e_arg)
             dump_glyphids();
             return 2;
 #endif
+#ifdef CRASHREPORT
+	case ARG_BIDSHOW:
+	    crashreport_bidshow();
+	    return 2;
+#endif
 #ifdef WIN32
         case ARG_WINDOWS:
             if (extended_opt) {
diff --git a/src/end.c b/src/end.c
index d3caf0607..cc92563d5 100644
--- a/src/end.c
+++ b/src/end.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	end.c	$NHDT-Date: 1685863329 2023/06/04 07:22:09 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.274 $ */
+/* NetHack 3.7	end.c	$NHDT-Date: 1693519356 2023/08/31 22:02:36 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.277 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2012. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -47,7 +47,7 @@ ATTRNORETURN extern void nethack_exit(int) NORETURN;
 #define done_stopprint gp.program_state.stopprint
 
 #ifndef PANICTRACE
-#define NH_abort NH_abort_
+#define NH_abort(x) NH_abort_
 #endif
 
 #ifdef AMIGA
@@ -77,6 +77,10 @@ ATTRNORETURN extern void nethack_exit(int) NORETURN;
  * gdb:   +gives more detailed information
  *        +works on more OS versions
  *        -requires -g, which may preclude -O on some compilers
+ *
+ * And the UI: if sysopt.crashreporturl, and defined(CRASHREPORT)
+ * we gather the stacktrace (etc) and launch a helper to submit a bug report
+ * otherwise we just use stdout.  Requires libc for now.
  */
 #ifdef SYSCF
 #define SYSOPT_PANICTRACE_GDB sysopt.panictrace_gdb
@@ -94,11 +98,11 @@ ATTRNORETURN extern void nethack_exit(int) NORETURN;
 #endif
 #endif
 
-static void NH_abort(void);
+static void NH_abort(char *);
 #ifndef NO_SIGNAL
 static void panictrace_handler(int);
 #endif
-static boolean NH_panictrace_libc(void);
+static boolean NH_panictrace_libc(char *);
 static boolean NH_panictrace_gdb(void);
 
 #ifndef NO_SIGNAL
@@ -126,7 +130,7 @@ panictrace_handler(int sig_unused UNUSED)
 
     f2 = (int) write(2, SIG_MSG, sizeof SIG_MSG - 1);
     nhUse(f2);  /* what could we do if write to fd#2 (stderr) fails  */
-    NH_abort(); /* ... and we're already in the process of quitting? */
+    NH_abort(NULL); /* ... and we're already in the process of quitting? */
 }
 
 void
@@ -166,7 +170,7 @@ panictrace_setsignals(boolean set)
 #endif /* NO_SIGNAL */
 
 static void
-NH_abort(void)
+NH_abort(char *why)
 {
     int gdb_prio = SYSOPT_PANICTRACE_GDB;
     int libc_prio = SYSOPT_PANICTRACE_LIBC;
@@ -183,9 +187,9 @@ NH_abort(void)
         gdb_prio++;
 
     if (gdb_prio > libc_prio) {
-        (void) (NH_panictrace_gdb() || (libc_prio && NH_panictrace_libc()));
+        (void) (NH_panictrace_gdb() || (libc_prio && NH_panictrace_libc(why)));
     } else {
-        (void) (NH_panictrace_libc() || (gdb_prio && NH_panictrace_gdb()));
+        (void) (NH_panictrace_libc(why) || (gdb_prio && NH_panictrace_gdb()));
     }
 
 #else /* VMS */
@@ -203,9 +207,230 @@ NH_abort(void)
     NH_abort_();
 }
 
+/* Build a URL with a query string and try to launch a new browser window
+ * to report from panic() or impossible().  Requires libc support for
+ * the stacktrace.  Uses memory on the stack to avoid memory allocation
+ * (but libc can still do anything it wants). */
+
+/* size of argument list for execve(2) */
+#define SWR_LINES 20
+/* max stack frames and header lines (details field) */
+#define SWR_FRAMES 20
+#define SWR_ADD(line) {if(xargc<(SWR_LINES-1)) xargv[xargc++] = line;}
+
+#ifdef CRASHREPORT
+# include <fcntl.h>
+# ifdef MACOS
+#  include <CommonCrypto/CommonDigest.h>
+#  define HASH_PRAGMA_START
+#  define HASH_PRAGMA_END
+#  define HASH_CONTEXT CC_MD4_CTX
+#  define HASH_INIT(ctx) CC_MD4_Init(ctx)
+#  define HASH_UPDATE(ctx, ptr, len) CC_MD4_Update(ctx, ptr, len)
+#  define HASH_FINISH(ctx, out) CC_MD4_Final(out, ctx)
+#  define HASH_RESULT_SIZE CC_MD4_DIGEST_LENGTH
+# endif
+# ifdef __linux__
+#  include <openssl/md4.h>
+#  define HASH_PRAGMA_START \
+	_Pragma("GCC diagnostic push"); \
+	_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+#  define HASH_PRAGMA_END   _Pragma("GCC diagnostic pop");
+#  define HASH_CONTEXT MD4_CTX
+#  define HASH_INIT(ctx) MD4_Init(ctx)
+#  define HASH_UPDATE(ctx, ptr, len) MD4_Update(ctx, ptr, len)
+#  define HASH_FINISH(ctx, out) MD4_Final(out, ctx)
+#  define HASH_RESULT_SIZE MD4_DIGEST_LENGTH
+
+# endif
+// Binary ID - Use only as a hint to contact.html for recognizing our own
+// binaries.  This is easily spoofed!
+static char bid[(2*HASH_RESULT_SIZE)+1];
+
+/* ARGSUSED */
+void
+crashreport_init(int argc UNUSED, char *argv[] UNUSED){
+    unsigned char tmp[HASH_RESULT_SIZE];
+    HASH_PRAGMA_START
+    HASH_CONTEXT ctx;
+    HASH_INIT(&ctx);
+#ifdef MACOS
+    char *binfile = argv[0];
+    if(!binfile || !*binfile){
+# ifdef BETA
+	    // If this triggers, investigate CFBundleGetMainBundle
+	    // or CFBundleCopyExecutableURL.
+	raw_print("BETA warning: crashreport_init called without useful info");
+# endif
+	goto skip;
+    }
+#endif
+#ifdef __linux__
+    char binfile[PATH_MAX+1];
+    int len = readlink("/proc/self/exe", binfile, sizeof(binfile)-1);
+    if(len>0) {
+	binfile[len] = '\0';
+    } else {
+	goto skip;
+    }
+#endif
+    int fd = open(binfile, O_RDONLY, 0);
+    if(fd == -1) {
+# ifdef BETA
+	raw_printf("open e=%s",strerror(errno));
+# endif
+	goto skip;
+    }
+    int segsize;
+    char segment[4096];
+    while(0 < (segsize = read(fd, segment,sizeof(segment)))){
+	HASH_UPDATE(&ctx, segment, segsize);
+    }
+    HASH_FINISH(&ctx, tmp);
+    close(fd);
+
+    char *p = bid;
+    unsigned char *in = &tmp[0];
+    char cnt=HASH_RESULT_SIZE;
+    while(cnt--){
+	p += snprintf(p, HASH_RESULT_SIZE-(p-bid), "%02x",*(in++));
+    }
+    *p = '\0';
+    return;
+skip:
+    strncpy((char *)bid,"unknown",sizeof(bid)-1);
+    HASH_PRAGMA_END
+}
+#undef HASH_CONTEXT
+#undef HASH_INIT
+#undef HASH_UPDATE
+#undef HASH_FINISH
+#undef HASH_RESULT_SIZE
+#undef HASH_PRAGMA_START
+#undef HASH_PRAGMA_END
+
+void
+crashreport_bidshow(void){
+    raw_print(bid);
+}
+
+boolean
+submit_web_report(const char *msg, char *why){
+    if(sysopt.crashreporturl){
+	const char *xargv[SWR_LINES];
+	char version[100];
+	char versionstring[200];	// used twice as a temp
+	int  xargc = 0;
+	char wholetrace[SWR_LINES*80];  // XXX roughly 71 on MacOS, plus buffer
+	int  prelines = 0;		// count of lines in trace header
+	char nbuf[6];			// number buffer
+	extern char **environ;
+	pid_t pid;
+
+	SWR_ADD(CRASHREPORT);
+	SWR_ADD(sysopt.crashreporturl);
+	    // then pairs of key value
+	    // subject, generate something useful
+	SWR_ADD("subject");
+	snprintf(version, sizeof(version), "%s report for NetHack %s",
+		msg, version_string(versionstring, sizeof(versionstring)));
+	SWR_ADD(version);
+	    // name:  someday, this might be stored in nethackcnf
+	    // email: someday, this might be stored in nethackcnf
+	    // gitver, pull from version.c
+	SWR_ADD("gitver");
+	SWR_ADD(getversionstring(versionstring, sizeof(versionstring)));
+	    // hardware: leave for user
+	    // software: leave for user
+	    // comments: leave for user
+	    // details: stack trace
+	SWR_ADD("details");
+
+// XXX header for wholetrace - what other info do we want?
+// NB: prelines not tested against size of SWR_FRAMES.
+#define SWR_HDR(line) \
+  if(endp<&wholetrace[sizeof(wholetrace)]){ \
+    endp+=snprintf(endp, sizeof(wholetrace)-(endp-wholetrace), "%s\n",line); \
+    prelines++; \
+  }
+#define SWR_HDRnonl(line) \
+  if(endp<&wholetrace[sizeof(wholetrace)]){ \
+    endp+=snprintf(endp, sizeof(wholetrace)-(endp-wholetrace), "%s",line); \
+  }
+	char *endp = wholetrace;
+	wholetrace[0] = 0;
+	if(why){
+	    SWR_HDR(why);
+	}
+
+	SWR_HDRnonl("bid: ");
+	SWR_HDR(bid);
+
+	void *bt[SWR_FRAMES];
+	int count, x;
+	char **info, buf[BUFSZ];
+
+	count = backtrace(bt, SIZE(bt));
+	info = backtrace_symbols(bt, count);
+	for (x = 0; x < count; x++) {
+	    copynchars(buf, info[x], (int) sizeof buf - 1);
+	    /* try to remove up to 16 blank spaces by removing 8 twice */
+	    (void) strsubst(buf, "        ", "");
+	    (void) strsubst(buf, "        ", "");
+	    snprintf(endp, SWR_FRAMES*80-(endp-wholetrace), "[%02lu] %s\n",
+	      (unsigned long) x, buf);
+	    endp = eos(endp);
+	}
+	*(endp-1) = '\0';   // remove last newline
+	SWR_ADD(wholetrace);
+
+	    // detailrows min(actual,50)  Guess since we can't know the
+	    //     width of the window.
+	SWR_ADD("detailrows");
+	(void)snprintf(nbuf,sizeof(nbuf),"%d",count+prelines);
+	SWR_ADD(nbuf);
+	xargv[xargc++] = 0; // terminate array
+
+	pid = fork();
+	if( pid == 0 ){
+	    execve(CRASHREPORT, (char * const *)xargv, environ);
+	    char err[100];
+	    sprintf(err, "Can't start " CRASHREPORT ": %s", strerror(errno));
+	    raw_print(err);
+	} else {
+	    int status;
+	    errno=0;
+		// XXX do we _really_ know this is the right pid?
+	    (void)waitpid(pid, &status, 0);
+	    if(status){	// XXX check could be more precise
+#if 0
+// Not useful at the moment. XXX
+		char err[100];
+		sprintf(err, "pid=%d e=%d status=%0x",wpid,errno,status);
+		raw_print(err);
+#endif
+		return FALSE;
+	    }
+	}
+	/* free(info);   -- Don't risk it. */
+	return TRUE;
+    }
+    return FALSE;
+}
+#endif	// CRASHREPORT
+#undef SWR_ADD
+#undef SWR_FRAMES
+#undef SWR_HDR
+#undef SWR_LINES
+
+/*ARGSUSED*/
 static boolean
-NH_panictrace_libc(void)
+NH_panictrace_libc(char *why UNUSED)
 {
+#ifdef CRASHREPORT
+    if(submit_web_report("Panic",why)) return TRUE;
+#endif
+
 #ifdef PANICTRACE_LIBC
     void *bt[20];
     int count, x;
@@ -375,7 +600,7 @@ done2(void)
                 (*soundprocs.sound_exit_nhsound)("done2");
 
             exit_nhwindows((char *) 0);
-            NH_abort();
+            NH_abort(NULL);
         } else if (c == 'q')
             done_stopprint++;
     }
@@ -618,11 +843,12 @@ DISABLE_WARNING_FORMAT_NONLITERAL
 ATTRNORETURN void
 panic VA_DECL(const char *, str)
 {
+    char buf[BUFSZ];
     VA_START(str);
     VA_INIT(str, char *);
 
     if (gp.program_state.panicking++)
-        NH_abort(); /* avoid loops - this should never happen*/
+        NH_abort(NULL); /* avoid loops - this should never happen*/
 
     if (iflags.window_inited) {
         raw_print("\r\nOops...");
@@ -651,6 +877,7 @@ panic VA_DECL(const char *, str)
                                      ? "."
                                      : "\nand it may be possible to rebuild.";
 
+// XXX this is probably wrong if defined(CRASHREPORT)
         if (sysopt.support)
             raw_printf("To report this error, %s%s", sysopt.support,
                        maybe_rebuild);
@@ -674,19 +901,19 @@ panic VA_DECL(const char *, str)
         }
     }
 #endif /* !MICRO */
-    {
-        char buf[BUFSZ];
 
-        (void) vsnprintf(buf, sizeof buf, str, VA_ARGS);
-        raw_print(buf);
-        paniclog("panic", buf);
-    }
+    (void) vsnprintf(buf, sizeof buf, str, VA_ARGS);
+    raw_print(buf);
+    paniclog("panic", buf);
+
 #ifdef WIN32
     interject(INTERJECT_PANIC);
 #endif
 #if defined(UNIX) || defined(VMS) || defined(LATTICE) || defined(WIN32)
+# ifndef CRASHREPORT
     if (wizard)
-        NH_abort(); /* generate core dump */
+# endif
+        NH_abort(buf); /* generate core dump */
 #endif
     VA_END();
     really_done(PANICKED);
diff --git a/src/files.c b/src/files.c
index 764c0fd87..06fd7888b 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	files.c	$NHDT-Date: 1680625799 2023/04/04 16:29:59 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.373 $ */
+/* NetHack 3.7	files.c	$NHDT-Date: 1693083234 2023/08/26 20:53:54 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.378 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Derek S. Ray, 2015. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -194,6 +194,7 @@ static boolean cnf_line_PANICTRACE_LIBC(char *);
 static boolean cnf_line_PANICTRACE_GDB(char *);
 static boolean cnf_line_GDBPATH(char *);
 static boolean cnf_line_GREPPATH(char *);
+static boolean cnf_line_CRASHREPORTURL(char *);
 static boolean cnf_line_SAVEFORMAT(char *);
 static boolean cnf_line_BONESFORMAT(char *);
 static boolean cnf_line_ACCESSIBILITY(char *);
@@ -3011,6 +3012,15 @@ cnf_line_GREPPATH(char *bufp)
     return TRUE;
 }
 
+static boolean
+cnf_line_CRASHREPORTURL(char *bufp)
+{
+    if (sysopt.crashreporturl)
+        free((genericptr_t) sysopt.crashreporturl);
+    sysopt.crashreporturl = dupstr(bufp);
+    return TRUE;
+}
+
 static boolean
 cnf_line_SAVEFORMAT(char *bufp)
 {
@@ -3253,6 +3263,7 @@ static const struct match_config_line_stmt {
     CNFL_S(LIVELOG, 7),
     CNFL_S(PANICTRACE_LIBC, 15),
     CNFL_S(PANICTRACE_GDB, 14),
+    CNFL_S(CRASHREPORTURL, 13),
     CNFL_S(GDBPATH, 7),
     CNFL_S(GREPPATH, 7),
     CNFL_S(SAVEFORMAT, 10),
diff --git a/src/pline.c b/src/pline.c
index f5927df39..d961c1bd3 100644
--- a/src/pline.c
+++ b/src/pline.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	pline.c	$NHDT-Date: 1646255375 2022/03/02 21:09:35 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.109 $ */
+/* NetHack 3.7	pline.c	$NHDT-Date: 1693083243 2023/08/26 20:54:03 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.124 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2018. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -505,6 +505,7 @@ impossible(const char *s, ...)
 {
     va_list the_args;
     char pbuf[BIGBUFSZ]; /* will be chopped down to BUFSZ-1 if longer */
+    char pbuf2[BUFSZ];
 
     va_start(the_args, s);
     if (gp.program_state.in_impossible)
@@ -521,16 +522,26 @@ impossible(const char *s, ...)
     gp.pline_flags = URGENT_MESSAGE;
     pline("%s", pbuf);
     gp.pline_flags = 0;
-    /* reuse pbuf[] */
-    Strcpy(pbuf, "Program in disorder!");
+
+    Strcpy(pbuf2, "Program in disorder!");
     if (gp.program_state.something_worth_saving)
-        Strcat(pbuf, "  (Saving and reloading may fix this problem.)");
-    pline("%s", pbuf);
+        Strcat(pbuf2, "  (Saving and reloading may fix this problem.)");
+    pline("%s", pbuf2);
     pline("Please report these messages to %s.", DEVTEAM_EMAIL);
     if (sysopt.support) {
         pline("Alternatively, contact local support: %s", sysopt.support);
     }
 
+#ifdef CRASHREPORT
+    if(sysopt.crashreporturl){
+	boolean report = ('y' == yn_function("Report now?","yn",'n',FALSE));
+	raw_print("");  // prove to the user the character was accepted
+	if(report){
+	    submit_web_report("Impossible", pbuf);
+	}
+    }
+#endif
+
     gp.program_state.in_impossible = 0;
 }
 
diff --git a/src/sys.c b/src/sys.c
index 74538a63e..d1f9e0b51 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	sys.c	$NHDT-Date: 1596498215 2020/08/03 23:43:35 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.57 $ */
+/* NetHack 3.7	sys.c	$NHDT-Date: 1693083254 2023/08/26 20:54:14 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.63 $ */
 /* Copyright (c) Kenneth Lorber, Kensington, Maryland, 2008. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -70,6 +70,7 @@ sys_early_init(void)
 #endif
 #endif
 #endif
+    sysopt.crashreporturl = NULL;
 
     sysopt.check_save_uid = 1;
     sysopt.check_plname = 0;
diff --git a/sys/libnh/libnhmain.c b/sys/libnh/libnhmain.c
index 6743b6a33..40be3b467 100644
--- a/sys/libnh/libnhmain.c
+++ b/sys/libnh/libnhmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	libnhmain.c	$NHDT-Date: 1596498297 2020/08/03 23:44:57 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.87 $ */
+/* NetHack 3.7	libnhmain.c	$NHDT-Date: 1693359589 2023/08/30 01:39:49 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.106 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2011. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -79,7 +79,7 @@ nhmain(int argc, char *argv[])
     //     printf ("argv[%d]: %s\n", i, argv[i]);
     // }
 
-    early_init();
+    early_init(argc, argv);
 
     gh.hname = argv[0];
     gh.hackpid = getpid();
@@ -103,6 +103,11 @@ nhmain(int argc, char *argv[])
         if (argcheck(argc, argv, ARG_VERSION) == 2)
             exit(EXIT_SUCCESS);
 
+#ifdef CRASHREPORT
+	if (argcheck(argc, argv, ARG_BIDSHOW))
+	    exit(EXIT_SUCCESS);
+#endif
+
         if (argcheck(argc, argv, ARG_SHOWPATHS) == 2) {
 #ifdef CHDIR
             chdirx((char *) 0, 0);
diff --git a/sys/share/pcmain.c b/sys/share/pcmain.c
index 1123c2278..5706651be 100644
--- a/sys/share/pcmain.c
+++ b/sys/share/pcmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	pcmain.c	$NHDT-Date: 1596498282 2020/08/03 23:44:42 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.121 $ */
+/* NetHack 3.7	pcmain.c	$NHDT-Date: 1693359605 2023/08/30 01:40:05 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.133 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Derek S. Ray, 2015. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -76,7 +76,7 @@ mingw_main(int argc, char *argv[])
 {
     boolean resuming;
 
-    early_init();
+    early_init(argc, argv);
     resuming = pcmain(argc, argv);
     moveloop(resuming);
     nethack_exit(EXIT_SUCCESS);
diff --git a/sys/unix/Makefile.src b/sys/unix/Makefile.src
index ec424bfab..bc47b1de3 100644
--- a/sys/unix/Makefile.src
+++ b/sys/unix/Makefile.src
@@ -1,5 +1,5 @@
 #	NetHack Makefile.
-# NetHack 3.7  Makefile.src    $NHDT-Date: 1654287121 2022/06/03 20:12:01 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.145 $
+# NetHack 3.7  Makefile.src    $NHDT-Date: 1693519377 2023/08/31 22:02:57 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.162 $
 # Copyright (c) 2018 by Pasi Kallinen
 # NetHack may be freely redistributed.  See license for details.
 
@@ -624,7 +624,8 @@ $(GAME):	pregame $(MAKEDEFS) $(LUALIB) $(WAVS) $(SYSTEM)
 Sysunix:	$(HOSTOBJ) $(HOBJ) $(DATE_O) $(BUILDMORE) Makefile
 	@echo "Linking $(GAME)."
 	$(AT)$(TARGET_LINK) $(TARGET_LFLAGS) -o $(GAMEBIN) \
-		$(HOBJ) $(DATE_O) $(WINLIB) $(TARGET_LIBS) $(LUALIBS)
+		$(HOBJ) $(DATE_O) $(WINLIB) $(TARGET_LIBS) $(LUALIBS) \
+		$(AUTOLIBS)
 	@touch Sysunix
 
 Sys3B2:	$(HOSTOBJ) $(HOBJ) $(DATE_O) $(BUILDMORE) Makefile
diff --git a/sys/unix/Makefile.top b/sys/unix/Makefile.top
index 28397830e..20215c27d 100644
--- a/sys/unix/Makefile.top
+++ b/sys/unix/Makefile.top
@@ -1,5 +1,5 @@
 #      NetHack Top-level Makefile.
-# NetHack 3.7  Makefile.top    $NHDT-Date: 1642630921 2022/01/19 22:22:01 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.72 $
+# NetHack 3.7  Makefile.top    $NHDT-Date: 1693519381 2023/08/31 22:03:01 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.91 $
 # Copyright (c) 2015 by Kenneth Lorber, Kensington, Maryland
 # NetHack may be freely redistributed.  See license for details.
 
@@ -112,7 +112,7 @@ LUA2NHTOP = ../../..
 LUABASELIB = liblua-$(LUA_VERSION).a
 TOPLUALIB = lib/lua/$(LUABASELIB)
 
-ALLDEP = $(GAME) recover Guidebook $(VARDAT) spec_levs check-dlb
+ALLDEP = $(GAME) recover Guidebook $(VARDAT) spec_levs check-dlb check-nhlua
 
 # first target is also the default target for 'make' without any arguments
 all:    $(ALLDEP)
@@ -125,8 +125,9 @@ $(GAME): lua_support
 lua_support: include/nhlua.h
 	@true
 $(LUATOP)/liblua.a: $(LUAHEADERS)/lua.h
-	( cd $(LUATOP) \
-	  && make $(LUAMAKEFLAGS) a && cd $(LUA2NHTOP) )
+	( cd $(LUATOP) && make $(LUAMAKEFLAGS) a ) && \
+	( util/makedefs --grep-defined CRASHREPORT && ( \
+	  cd $(LUATOP) && make $(LUAMAKEFLAGS) ); true )
 $(TOPLUALIB): $(LUATOP)/liblua.a
 	@( if test -d lib/lua ; then true ; else mkdir -p lib/lua ; fi )
 	cp $(LUATOP)/liblua.a $@
@@ -147,6 +148,10 @@ luabin:
 	( cd $(LUATOP) \
 	  && make $(LUAMAKEFILES) all && cd $(LUA2NHTOP) )
 
+check-nhlua:
+	( util/makedefs --grep-defined CRASHREPORT && ( \
+	  cd $(LUATOP) && make $(LUAMAKEFLAGS) ); true )
+
 # hints file could set LUATESTTARGET to this if GITSUBMODULES is defined
 submodules/lua/lua.h:
 	git submodule init submodules/lua
diff --git a/sys/unix/hints/linux.370 b/sys/unix/hints/linux.370
index 4c2fd4258..05c3c76ef 100755
--- a/sys/unix/hints/linux.370
+++ b/sys/unix/hints/linux.370
@@ -1,4 +1,4 @@
-# NetHack 3.7  linux.370 $NHDT-Date: 1668359835 2022/11/13 17:17:15 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.50 $
+# NetHack 3.7  linux.370 $NHDT-Date: 1693519390 2023/08/31 22:03:10 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.61 $
 # Copyright (c) Kenneth Lorber, Kensington, Maryland, 2007.
 # NetHack may be freely redistributed.  See license for details.
 #
@@ -96,6 +96,8 @@ endif      #HAVE_NCURSESW
 endif      #MAKEFILE_SRC
 endif      #USE_CURSESLIB
 
+AUTOLIBS=$(shell (../util/makedefs --grep-defined CRASHREPORT && echo "-lcrypto" ) || true )
+
 # NetHack sources control
 NHCFLAGS+=-DDLB
 NHCFLAGS+=-DHACKDIR=\"$(HACKDIR)\"
@@ -278,7 +280,11 @@ VARDIR = $(HACKDIR)
 POSTINSTALL+= cp -n sys/unix/sysconf $(INSTDIR)/sysconf; \
 	$(CHOWN) $(GAMEUID) $(INSTDIR)/sysconf; \
 	$(CHGRP) $(GAMEGRP) $(INSTDIR)/sysconf; \
-	chmod $(VARFILEPERM) $(INSTDIR)/sysconf;
+	chmod $(VARFILEPERM) $(INSTDIR)/sysconf; \
+	( util/makedefs --grep-defined CRASHREPORT && \
+	  ( cp win/share/nhcrashreport.lua $(INSTDIR) ; \
+	  chmod 555 $(INSTDIR)/nhcrashreport.lua ; \
+	  cp $(LUATOP)/lua $(INSTDIR)/nhlua); true)
 
 ifneq "$(CCISCLANG)" ""
 # gdb may not be installed if clang is chosen compiler so the game
diff --git a/sys/unix/hints/macOS.370 b/sys/unix/hints/macOS.370
index 81d07000b..ed49a8c4f 100755
--- a/sys/unix/hints/macOS.370
+++ b/sys/unix/hints/macOS.370
@@ -1,4 +1,4 @@
-# NetHack 3.7  macOS.370 $NHDT-Date: 1668359835 2022/11/13 17:17:15 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.116 $
+# NetHack 3.7  macOS.370 $NHDT-Date: 1693359574 2023/08/30 01:39:34 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.138 $
 # Copyright (c) Kenneth Lorber, Kensington, Maryland, 2015.
 # NetHack may be freely redistributed.  See license for details.
 #
@@ -97,6 +97,8 @@ NHCFLAGS+=-DNOMAIL
 #NHCFLAGS+=-DTTY_SOUND_ESCCODES
 #NHCFLAGS+=-DNO_CHRONICLE
 #NHCFLAGS+=-DLIVELOG
+# not NHCFLAGS - needed for makedefs
+CFLAGS+=-DCRASHREPORT=\"NetHackCrashReport.JavaScript\"
 
 ifdef MAKEFILE_SRC
 # default
@@ -328,11 +330,14 @@ ROOTCHECK= [[ `id -u` == 0 ]] || ( echo "Must run install with sudo."; exit 1)
 # make sure we have group GAMEUID and group GAMEGRP
 PREINSTALL= . sys/unix/hints/macosx.sh user2 $(GAMEUID); \
 		. sys/unix/hints/macosx.sh group2 $(GAMEGRP); \
-		mkdir $(SHELLDIR); chown $(GAMEUID) $(SHELLDIR)
+		(mkdir $(SHELLDIR) || true); chown $(GAMEUID) $(SHELLDIR)
 POSTINSTALL+= sys/unix/hints/macosx.sh editsysconf sys/unix/sysconf $(HACKDIR)/sysconf; \
 		$(CHOWN) $(GAMEUID) $(HACKDIR)/sysconf; \
 		$(CHGRP) $(GAMEGRP) $(HACKDIR)/sysconf; \
-		chmod $(VARFILEPERM) $(HACKDIR)/sysconf;
+		chmod $(VARFILEPERM) $(HACKDIR)/sysconf; \
+		util/makedefs --grep-defined CRASHREPORT && \
+		 ( cp win/macosx/NetHackCrashReport.JavaScript $(HACKDIR) && \
+		 chmod 0500 $(HACKDIR)/NetHackCrashReport.JavaScript )
 
 else ifdef WANT_SOURCE_INSTALL
 
@@ -348,7 +353,11 @@ CHGRP=/usr/bin/true
 GAMEPERM = 0700
 VARFILEPERM = 0600
 VARDIRPERM = 0700
-POSTINSTALL+= sys/unix/hints/macosx.sh editsysconf sys/unix/sysconf $(HACKDIR)/sysconf;
+POSTINSTALL+= sys/unix/hints/macosx.sh editsysconf sys/unix/sysconf $(HACKDIR)/sysconf; \
+		util/makedefs --grep-defined CRASHREPORT && \
+		    ( cp win/macosx/NetHackCrashReport.JavaScript $(HACKDIR) && \
+		    chmod 0500 $(HACKDIR)/NetHackCrashReport.JavaScript )
+
 # We can use "make all" to build the whole thing - but it misses some things:
 MOREALL=$(MAKE) install
 CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\" -DSECURE
@@ -372,11 +381,14 @@ ifdef ($(WANT_DEFAULT),X11)
 PREINSTALL+= cp -n win/X11/nethack.rc ~/.nethackrc || true;
 endif	# WANT_DEFAULT X11
 
-PREINSTALL+= mkdir $(SHELLDIR);
+PREINSTALL+= (mkdir $(SHELLDIR) || true);
 POSTINSTALL+= sys/unix/hints/macosx.sh editsysconf sys/unix/sysconf $(HACKDIR)/sysconf; \
 		$(CHOWN) $(GAMEUID) $(HACKDIR)/sysconf; \
 		$(CHGRP) $(GAMEGRP) $(HACKDIR)/sysconf; \
-		chmod $(VARFILEPERM) $(HACKDIR)/sysconf;
+		chmod $(VARFILEPERM) $(HACKDIR)/sysconf; \
+		util/makedefs --grep-defined CRASHREPORT && \
+		  ( cp win/macosx/NetHackCrashReport.JavaScript $(HACKDIR) && \
+		  chmod 0500 $(HACKDIR)/NetHackCrashReport.JavaScript )
 
 endif   # !WANT_SHARE_INSTALL
 
@@ -719,6 +731,7 @@ build_package_root:
 	install -p doc/recover.6 $(PKGROOT_UG)/man/man6
 	install -p doc/Guidebook $(PKGROOT_UG)/doc
 	install -p dat/nhdat $(PKGROOT_UGLN)
+#XXX no code to package NetHackCrashReport.JavaScript
 	sys/unix/hints/macosx.sh editsysconf sys/unix/sysconf $(PKGROOT_UGLN)/sysconf
 	cd dat; install -p $(DATNODLB) ../$(PKGROOT_UGLN)
 # XXX these files should be somewhere else for good Mac form
diff --git a/sys/unix/unixmain.c b/sys/unix/unixmain.c
index 50b262adc..60eedcc23 100644
--- a/sys/unix/unixmain.c
+++ b/sys/unix/unixmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	unixmain.c	$NHDT-Date: 1646313937 2022/03/03 13:25:37 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.99 $ */
+/* NetHack 3.7	unixmain.c	$NHDT-Date: 1693359574 2023/08/30 01:39:34 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.117 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2011. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -65,7 +65,7 @@ main(int argc, char *argv[])
     boolean resuming = FALSE; /* assume new game */
     boolean plsel_once = FALSE;
 
-    early_init();
+    early_init(argc, argv);
 
 #if defined(__APPLE__)
     {
@@ -623,6 +623,15 @@ early_options(int *argc_p, char ***argv_p, char **hackdir_p)
             ++arg;
 
         switch (arg[1]) { /* char after leading dash */
+	case 'b':
+#ifdef CRASHREPORT
+		// --bidshow
+	    if (argcheck(argc, argv, ARG_BIDSHOW) == 2){
+                opt_terminate();
+                /*NOTREACHED*/
+	    }
+#endif
+	    break;
         case 'd':
             if (argcheck(argc, argv, ARG_DEBUG) == 1) {
                 consume_arg(ndx, argc_p, argv_p), consumed = 1;
diff --git a/sys/vms/vmsmain.c b/sys/vms/vmsmain.c
index 2b29b2b36..7dd2536f9 100644
--- a/sys/vms/vmsmain.c
+++ b/sys/vms/vmsmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	vmsmain.c	$NHDT-Date: 1596498307 2020/08/03 23:45:07 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.45 $ */
+/* NetHack 3.7	vmsmain.c	$NHDT-Date: 1693359633 2023/08/30 01:40:33 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.57 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Robert Patrick Rankin, 2011. */
 /* NetHack may be freely redistributed.  See license for details. */
@@ -50,7 +50,7 @@ main(int argc, char *argv[])
     privon();
 #endif
 
-    early_init();
+    early_init(argc, argv);
 
     atexit(byebye);
     /* vms_basename(,FALSE) strips device, directory, suffix, and version;
diff --git a/sys/windows/windmain.c b/sys/windows/windmain.c
index 4638e3a7b..d1d41a516 100644
--- a/sys/windows/windmain.c
+++ b/sys/windows/windmain.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7	windmain.c	$NHDT-Date: 1596498320 2020/08/03 23:45:20 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.157 $ */
+/* NetHack 3.7	windmain.c	$NHDT-Date: 1693359653 2023/08/30 01:40:53 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.189 $ */
 /* Copyright (c) Derek S. Ray, 2015. */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -484,7 +484,7 @@ MAIN(int argc, char *argv[])
     safe_routines();
 #endif /* WIN32CON */
 
-    early_init();
+    early_init(argc, argv);
 #ifdef _MSC_VER
 #ifdef DEBUG
     /* set these appropriately for VS debugging */
diff --git a/util/makedefs.c b/util/makedefs.c
index 48ecc0658..5cd92c1f3 100644
--- a/util/makedefs.c
+++ b/util/makedefs.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7  makedefs.c  $NHDT-Date: 1655402416 2022/06/16 18:00:16 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.215 $ */
+/* NetHack 3.7  makedefs.c  $NHDT-Date: 1693083328 2023/08/26 20:55:28 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.226 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /*-Copyright (c) Kenneth Lorber, Kensington, Maryland, 2015. */
 /* Copyright (c) M. Stephenson, 1990, 1991.                       */
@@ -571,6 +571,15 @@ do_ext_makedefs(int argc, char **argv)
             }
             CONTINUE;
         }
+	IS_OPTION("grep-defined"){
+	    struct grep_var *p;
+
+	    CONSUME;
+	    p = grepsearch(argv[0]);
+		// NB: Exit status is ready for the shell:
+		//     0=defined, 1=not defined
+	    makedefs_exit(!(p && p->is_defined));
+	}
 #ifdef notyet
         IS_OPTION("help") {
         }
diff --git a/util/mdgrep.h b/util/mdgrep.h
index 16022e83d..c31d9a04f 100644
--- a/util/mdgrep.h
+++ b/util/mdgrep.h
@@ -1,277 +1,283 @@
 /*
- * NetHack 3.7  mdgrep.h  $NHDT-Date: 1596498259 2020/08/03 23:44:19 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.14 $
+ * NetHack 3.7  mdgrep.h  $NHDT-Date: 1693083343 2023/08/26 20:55:43 $ $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.18 $
  * Copyright (c) Kenneth Lorber, Kensington, Maryland, 2008
  * NetHack may be freely redistributed.  See license for details.
  *
- * This file generated by mdgrep.pl version 1.7.
+ * This file generated by mdgrep.pl version 1.23.
  * DO NOT EDIT!  Your changes will be lost.
  */
-static struct grep_var grep_vars[] = { { "0", 0 },
-                                       { "1", 1 },
+static struct grep_var grep_vars[]={
+	{"0", 0},
+	{"1", 1},
 #if defined(ALLDOCS)
-                                       { "ALLDOCS", 1 },
+	{"ALLDOCS", 1},
 #else
-                                       { "ALLDOCS", 0 },
+	{"ALLDOCS", 0},
 #endif
 #if defined(AMIGA)
-                                       { "AMIGA", 1 },
+	{"AMIGA", 1},
 #else
-                                       { "AMIGA", 0 },
+	{"AMIGA", 0},
 #endif
 #if defined(AMII_GRAPHICS)
-                                       { "AMII_GRAPHICS", 1 },
+	{"AMII_GRAPHICS", 1},
 #else
-                                       { "AMII_GRAPHICS", 0 },
+	{"AMII_GRAPHICS", 0},
 #endif
 #if defined(ASCIIGRAPH)
-                                       { "ASCIIGRAPH", 1 },
+	{"ASCIIGRAPH", 1},
 #else
-                                       { "ASCIIGRAPH", 0 },
+	{"ASCIIGRAPH", 0},
 #endif
 #if defined(BETA)
-                                       { "BETA", 1 },
+	{"BETA", 1},
 #else
-                                       { "BETA", 0 },
+	{"BETA", 0},
 #endif
 #if defined(BSD_JOB_CONTROL)
-                                       { "BSD_JOB_CONTROL", 1 },
+	{"BSD_JOB_CONTROL", 1},
 #else
-                                       { "BSD_JOB_CONTROL", 0 },
+	{"BSD_JOB_CONTROL", 0},
 #endif
 #if defined(CLIPPING)
-                                       { "CLIPPING", 1 },
+	{"CLIPPING", 1},
 #else
-                                       { "CLIPPING", 0 },
+	{"CLIPPING", 0},
 #endif
 #if defined(COMPRESS)
-                                       { "COMPRESS", 1 },
+	{"COMPRESS", 1},
 #else
-                                       { "COMPRESS", 0 },
+	{"COMPRESS", 0},
+#endif
+#if defined(CRASHREPORT)
+	{"CRASHREPORT", 1},
+#else
+	{"CRASHREPORT", 0},
 #endif
 #if defined(DLB)
-                                       { "DLB", 1 },
+	{"DLB", 1},
 #else
-                                       { "DLB", 0 },
+	{"DLB", 0},
 #endif
-                                       { "FALSE", 0 },
+	{"FALSE", 0},
 #if defined(GEM_GRAPHICS)
-                                       { "GEM_GRAPHICS", 1 },
+	{"GEM_GRAPHICS", 1},
 #else
-                                       { "GEM_GRAPHICS", 0 },
+	{"GEM_GRAPHICS", 0},
 #endif
 #if defined(GNOME_GRAPHICS)
-                                       { "GNOME_GRAPHICS", 1 },
+	{"GNOME_GRAPHICS", 1},
 #else
-                                       { "GNOME_GRAPHICS", 0 },
+	{"GNOME_GRAPHICS", 0},
 #endif
 #if defined(HANGUPHANDLING)
-                                       { "HANGUPHANDLING", 1 },
+	{"HANGUPHANDLING", 1},
 #else
-                                       { "HANGUPHANDLING", 0 },
+	{"HANGUPHANDLING", 0},
 #endif
 #if defined(INSURANCE)
-                                       { "INSURANCE", 1 },
+	{"INSURANCE", 1},
 #else
-                                       { "INSURANCE", 0 },
-#endif
-#if defined(LIFE)
-                                       { "LIFE", 1 },
-#else
-                                       { "LIFE", 0 },
+	{"INSURANCE", 0},
 #endif
 #if defined(MAC)
-                                       { "MAC", 1 },
+	{"MAC", 1},
 #else
-                                       { "MAC", 0 },
+	{"MAC", 0},
 #endif
 #if defined(MAC_GRAPHICS)
-                                       { "MAC_GRAPHICS", 1 },
+	{"MAC_GRAPHICS", 1},
 #else
-                                       { "MAC_GRAPHICS", 0 },
+	{"MAC_GRAPHICS", 0},
 #endif
 #if defined(MAIL)
-                                       { "MAIL", 1 },
+	{"MAIL", 1},
 #else
-                                       { "MAIL", 0 },
+	{"MAIL", 0},
 #endif
 #if defined(MFLOPPY)
-                                       { "MFLOPPY", 1 },
+	{"MFLOPPY", 1},
 #else
-                                       { "MFLOPPY", 0 },
+	{"MFLOPPY", 0},
 #endif
 #if defined(MSDOS)
-                                       { "MSDOS", 1 },
+	{"MSDOS", 1},
 #else
-                                       { "MSDOS", 0 },
+	{"MSDOS", 0},
 #endif
 #if defined(MSWIN_GRAPHICS)
-                                       { "MSWIN_GRAPHICS", 1 },
+	{"MSWIN_GRAPHICS", 1},
 #else
-                                       { "MSWIN_GRAPHICS", 0 },
+	{"MSWIN_GRAPHICS", 0},
 #endif
 #if defined(NOCWD_ASSUMPTIONS)
-                                       { "NOCWD_ASSUMPTIONS", 1 },
+	{"NOCWD_ASSUMPTIONS", 1},
 #else
-                                       { "NOCWD_ASSUMPTIONS", 0 },
+	{"NOCWD_ASSUMPTIONS", 0},
 #endif
 #if defined(NOSAVEONHANGUP)
-                                       { "NOSAVEONHANGUP", 1 },
+	{"NOSAVEONHANGUP", 1},
 #else
-                                       { "NOSAVEONHANGUP", 0 },
+	{"NOSAVEONHANGUP", 0},
 #endif
 #if defined(OS2)
-                                       { "OS2", 1 },
+	{"OS2", 1},
 #else
-                                       { "OS2", 0 },
+	{"OS2", 0},
 #endif
 #if defined(POSIX_JOB_CONTROL)
-                                       { "POSIX_JOB_CONTROL", 1 },
+	{"POSIX_JOB_CONTROL", 1},
 #else
-                                       { "POSIX_JOB_CONTROL", 0 },
+	{"POSIX_JOB_CONTROL", 0},
 #endif
 #if defined(QT_GRAPHICS)
-                                       { "QT_GRAPHICS", 1 },
+	{"QT_GRAPHICS", 1},
 #else
-                                       { "QT_GRAPHICS", 0 },
+	{"QT_GRAPHICS", 0},
 #endif
 #if defined(RANDOM)
-                                       { "RANDOM", 1 },
+	{"RANDOM", 1},
 #else
-                                       { "RANDOM", 0 },
+	{"RANDOM", 0},
 #endif
 #if defined(SAFERHANGUP)
-                                       { "SAFERHANGUP", 1 },
+	{"SAFERHANGUP", 1},
 #else
-                                       { "SAFERHANGUP", 0 },
+	{"SAFERHANGUP", 0},
 #endif
 #if defined(SECURE)
-                                       { "SECURE", 1 },
+	{"SECURE", 1},
 #else
-                                       { "SECURE", 0 },
+	{"SECURE", 0},
 #endif
 #if defined(SHELL)
-                                       { "SHELL", 1 },
+	{"SHELL", 1},
 #else
-                                       { "SHELL", 0 },
+	{"SHELL", 0},
 #endif
 #if defined(SUSPEND)
-                                       { "SUSPEND", 1 },
+	{"SUSPEND", 1},
 #else
-                                       { "SUSPEND", 0 },
+	{"SUSPEND", 0},
 #endif
 #if defined(TEXTCOLOR)
-                                       { "TEXTCOLOR", 1 },
+	{"TEXTCOLOR", 1},
 #else
-                                       { "TEXTCOLOR", 0 },
-#endif
-#if defined(TOS)
-                                       { "TOS", 1 },
-#else
-                                       { "TOS", 0 },
-#endif
-                                       { "TRUE", 1 },
-#if defined(TTY_GRAPHICS)
-                                       { "TTY_GRAPHICS", 1 },
-#else
-                                       { "TTY_GRAPHICS", 0 },
-#endif
-#if defined(UNICODE_DRAWING)
-                                       { "UNICODE_DRAWING", 1 },
-#else
-                                       { "UNICODE_DRAWING", 0 },
-#endif
-#if defined(UNICODE_PLAYERTEXT)
-                                       { "UNICODE_PLAYERTEXT", 1 },
-#else
-                                       { "UNICODE_PLAYERTEXT", 0 },
-#endif
-#if defined(UNICODE_WIDEWINPORT)
-                                       { "UNICODE_WIDEWINPORT", 1 },
-#else
-                                       { "UNICODE_WIDEWINPORT", 0 },
-#endif
-#if defined(UNIX)
-                                       { "UNIX", 1 },
-#else
-                                       { "UNIX", 0 },
-#endif
-#if defined(USER_SOUNDS)
-                                       { "USER_SOUNDS", 1 },
-#else
-                                       { "USER_SOUNDS", 0 },
+	{"TEXTCOLOR", 0},
 #endif
 #if defined(TILES_IN_GLYPHMAP)
-                                       { "TILES_IN_GLYPHMAP", 1 },
+	{"TILES_IN_GLYPHMAP", 1},
 #else
-                                       { "TILES_IN_GLYPHMAP", 0 },
+	{"TILES_IN_GLYPHMAP", 0},
+#endif
+#if defined(TOS)
+	{"TOS", 1},
+#else
+	{"TOS", 0},
+#endif
+	{"TRUE", 1},
+#if defined(TTY_GRAPHICS)
+	{"TTY_GRAPHICS", 1},
+#else
+	{"TTY_GRAPHICS", 0},
+#endif
+#if defined(UNICODE_DRAWING)
+	{"UNICODE_DRAWING", 1},
+#else
+	{"UNICODE_DRAWING", 0},
+#endif
+#if defined(UNICODE_PLAYERTEXT)
+	{"UNICODE_PLAYERTEXT", 1},
+#else
+	{"UNICODE_PLAYERTEXT", 0},
+#endif
+#if defined(UNICODE_WIDEWINPORT)
+	{"UNICODE_WIDEWINPORT", 1},
+#else
+	{"UNICODE_WIDEWINPORT", 0},
+#endif
+#if defined(UNIX)
+	{"UNIX", 1},
+#else
+	{"UNIX", 0},
+#endif
+#if defined(USER_SOUNDS)
+	{"USER_SOUNDS", 1},
+#else
+	{"USER_SOUNDS", 0},
 #endif
 #if defined(VAR_PLAYGROUND)
-                                       { "VAR_PLAYGROUND", 1 },
+	{"VAR_PLAYGROUND", 1},
 #else
-                                       { "VAR_PLAYGROUND", 0 },
+	{"VAR_PLAYGROUND", 0},
 #endif
 #if defined(VMS)
-                                       { "VMS", 1 },
+	{"VMS", 1},
 #else
-                                       { "VMS", 0 },
+	{"VMS", 0},
 #endif
 #if defined(WIN32)
-                                       { "WIN32", 1 },
+	{"WIN32", 1},
 #else
-                                       { "WIN32", 0 },
+	{"WIN32", 0},
 #endif
 #if defined(WIN32_PLATFORM_HPCPRO)
-                                       { "WIN32_PLATFORM_HPCPRO", 1 },
+	{"WIN32_PLATFORM_HPCPRO", 1},
 #else
-                                       { "WIN32_PLATFORM_HPCPRO", 0 },
+	{"WIN32_PLATFORM_HPCPRO", 0},
 #endif
 #if defined(WIN32_PLATFORM_WFSP)
-                                       { "WIN32_PLATFORM_WFSP", 1 },
+	{"WIN32_PLATFORM_WFSP", 1},
 #else
-                                       { "WIN32_PLATFORM_WFSP", 0 },
+	{"WIN32_PLATFORM_WFSP", 0},
+#endif
+#if defined(WINNT)
+	{"WINNT", 1},
+#else
+	{"WINNT", 0},
 #endif
 #if defined(WIN_CE)
-                                       { "WIN_CE", 1 },
+	{"WIN_CE", 1},
 #else
-                                       { "WIN_CE", 0 },
+	{"WIN_CE", 0},
 #endif
 #if defined(WIN_CE_POCKETPC)
-                                       { "WIN_CE_POCKETPC", 1 },
+	{"WIN_CE_POCKETPC", 1},
 #else
-                                       { "WIN_CE_POCKETPC", 0 },
+	{"WIN_CE_POCKETPC", 0},
 #endif
 #if defined(WIN_CE_PS2xx)
-                                       { "WIN_CE_PS2xx", 1 },
+	{"WIN_CE_PS2xx", 1},
 #else
-                                       { "WIN_CE_PS2xx", 0 },
+	{"WIN_CE_PS2xx", 0},
 #endif
 #if defined(WIN_CE_SMARTPHONE)
-                                       { "WIN_CE_SMARTPHONE", 1 },
+	{"WIN_CE_SMARTPHONE", 1},
 #else
-                                       { "WIN_CE_SMARTPHONE", 0 },
+	{"WIN_CE_SMARTPHONE", 0},
 #endif
-                                       { "WIZARD", 1 },
 #if defined(X11_GRAPHICS)
-                                       { "X11_GRAPHICS", 1 },
+	{"X11_GRAPHICS", 1},
 #else
-                                       { "X11_GRAPHICS", 0 },
+	{"X11_GRAPHICS", 0},
 #endif
 #if defined(ZEROCOMP)
-                                       { "ZEROCOMP", 1 },
+	{"ZEROCOMP", 1},
 #else
-                                       { "ZEROCOMP", 0 },
+	{"ZEROCOMP", 0},
 #endif
 #if defined(ZLIB_COMP)
-                                       { "ZLIB_COMP", 1 },
+	{"ZLIB_COMP", 1},
 #else
-                                       { "ZLIB_COMP", 0 },
+	{"ZLIB_COMP", 0},
 #endif
 #if defined(__BEOS__)
-                                       { "__BEOS__", 1 },
+	{"__BEOS__", 1},
 #else
-                                       { "__BEOS__", 0 },
+	{"__BEOS__", 0},
 #endif
-                                       { 0, 0 } };
+	{0,0}
+};
 
 /* Command ids */
 #define TODO_GREP 1
diff --git a/util/mdgrep.pl b/util/mdgrep.pl
index 244730108..9dafd54b1 100644
--- a/util/mdgrep.pl
+++ b/util/mdgrep.pl
@@ -1,5 +1,5 @@
 #!perl
-# NetHack 3.7  mdgrep.pl  $NHDT-Date: 1596498260 2020/08/03 23:44:20 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.20 $
+# NetHack 3.7  mdgrep.pl  $NHDT-Date: 1693083351 2023/08/26 20:55:51 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.24 $
 # Copyright (c) Kenneth Lorber, Kensington, Maryland
 # NetHack may be freely redistributed.  See license for details.
 
@@ -23,6 +23,7 @@
 	VAR_PLAYGROUND DLB SHELL SUSPEND NOSAVEONHANGUP HANGUPHANDLING
 	BSD_JOB_CONTROL MAIL POSIX_JOB_CONTROL INSURANCE
 	UNICODE_DRAWING UNICODE_WIDEWINPORT UNICODE_PLAYERTEXT
+	CRASHREPORT
 /;
 
 # Miscellaneous
@@ -53,10 +54,10 @@
 
 $outfile = "mdgrep.h";
 sub start_file {
-	($rev) = ('$NHDT-Revision: 1.20 $') =~ m/: (.*) .$/;
-	my $date = '$NHDT-Date: 1596498261 2020/08/03 23:44:21 $';
-	my $branch = '$NHDT-Branch: NetHack-3.7 $';
-	my $revision = '$NHDT-Revision: 1.20 $';
+	($rev) = ('$NHDT-Revision: 1.24 $') =~ m/: (.*) .$/;
+	my $date = '$NHDT-Date: 1693083351 2023/08/26 20:55:51 $';
+	my $branch = '$NHDT-Branch: keni-crashweb2 $';
+	my $revision = '$NHDT-Revision: 1.24 $';
 	open(OUT, ">$outfile") || die "open $outfile: $!";
 # NB: Date and Revision below will be modified when mdgrep.h is written to
 # git - this is correct (but it means you must commit changes to mdgrep.pl
diff --git a/win/macosx/.gitattributes b/win/macosx/.gitattributes
index ce60e3048..fc696711d 100644
--- a/win/macosx/.gitattributes
+++ b/win/macosx/.gitattributes
@@ -1,2 +1,3 @@
 *.applescript NHSUBST
+*.JavaScript NHSUBST
 * NH_filestag=(file%s_for_macosx_versions)
diff --git a/win/macosx/NetHackCrashReport.JavaScript b/win/macosx/NetHackCrashReport.JavaScript
new file mode 100755
index 000000000..f6f02c88a
--- /dev/null
+++ b/win/macosx/NetHackCrashReport.JavaScript
@@ -0,0 +1,28 @@
+#!/usr/bin/osascript -l JavaScript
+
+// NetHack 3.7  tile.h       $NHDT-Date: 1693083762 2023/08/26 21:02:42 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.1 $
+//      Copyright (c) 2023 Kenneth Lorber
+// NetHack may be freely redistributed.  See license for details.
+
+// Call with URL then field value pairs.  Opens a new browser window
+// to: URL?field=value+field=value.....
+// This program encodes the values; fieldnames don't require encoding.
+
+// Should be installed in the playground.
+
+function run(argv){
+
+    var url = argv[0];
+    var argcp = 1;
+
+    url += "?cos=1";	    // Start the query string and set mode
+    while(argcp < argv.length){
+	url += "&" + argv[argcp] + "=" + encodeURIComponent(argv[argcp+1])
+	argcp += 2;
+    }
+
+    var safari = Application('Safari');
+    var nw = safari.make({ new:"document" });
+    nw.url = url;
+    safari.activate();
+}
diff --git a/win/share/.gitattributes b/win/share/.gitattributes
index cb0ac5448..3e47933f4 100644
--- a/win/share/.gitattributes
+++ b/win/share/.gitattributes
@@ -1,2 +1,3 @@
 tile.doc NHSUBST
+*.lua NHSUBST
 * NH_filestag=(file%s_for_versions_using_optional_tiles)
diff --git a/win/share/nhcrashreport.lua b/win/share/nhcrashreport.lua
new file mode 100755
index 000000000..a5b073381
--- /dev/null
+++ b/win/share/nhcrashreport.lua
@@ -0,0 +1,38 @@
+#!./nhlua
+-- NetHack 3.7  nhcrashreport.lua       $NHDT-Date: 1693083824 2023/08/26 21:03:44 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.0 $
+--      Copyright (c) 2023 Kenneth Lorber
+-- NetHack may be freely redistributed.  See license for details.
+
+-- Call with URL then field value pairs.  Opens a new browser window
+-- to: URL?field=value+field=value.....
+-- This program encodes the values; fieldnames don't require encoding.
+--
+-- Should be installed in the playground.
+
+----
+-- from
+-- https://github.com/daurnimator/lua-http/blob/master/http/util.lua
+-- Encodes a character as a percent encoded string
+local function char_to_pchar(c)
+	return string.format("%%%02X", c:byte(1,1))
+end
+-- encodeURIComponent escapes all characters except the following: alphabetic, decimal digits, - _ . ! ~ * ' ( )
+local function encodeURIComponent(str)
+	return (str:gsub("[^%w%-_%.%!%~%*%'%(%)]", char_to_pchar))
+end
+----
+
+function un20(str)
+    return str:gsub("%%20","+")
+end
+
+url = table.remove(arg,1) .. "?cos=1"; -- Start the query string and set mode
+while #arg > 0 do
+    local field = table.remove(arg,1)
+    local value = table.remove(arg,1)
+    url = url .. "&" .. field .. "=" .. un20(encodeURIComponent(value))
+end
+--print("url='"..url.."'")
+cmd = '/usr/bin/xdg-open "'..url..'"'
+os.execute(cmd)
+os.exit()
diff --git a/win/win32/NetHackW.c b/win/win32/NetHackW.c
index 632c0595e..5a1e7fd15 100644
--- a/win/win32/NetHackW.c
+++ b/win/win32/NetHackW.c
@@ -1,4 +1,4 @@
-/* NetHack 3.7    NetHackW.c    $NHDT-Date: 1596498365 2020/08/03 23:46:05 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.72 $ */
+/* NetHack 3.7    NetHackW.c    $NHDT-Date: 1693359674 2023/08/30 01:41:14 $  $NHDT-Branch: keni-crashweb2 $:$NHDT-Revision: 1.79 $ */
 /* Copyright (C) 2001 by Alex Kompel      */
 /* NetHack may be freely redistributed.  See license for details. */
 
@@ -123,7 +123,7 @@ WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
     windowprocs.win_wait_synch = mswin_wait_synch;
 
     win10_init();
-    early_init();
+    early_init(0, NULL);	/* Change as needed to support CRASHREPORT */
 
     /* init application structure */
     _nethack_app.hApp = hInstance;