* Remove editors/xemacs-packages from RUN_DEPENDS.

* Cleanup some portlint warnings.
* Rename option WANT_GTK to WITH_GTK
* Add build with Xaw3d - option WITH_XAW3D
* Fix regex uninterrupable loops.

PR:		ports/75920
Submitted by:	maintainer

3 files changed, 517 insertions, 68 deletions

diff --git a/editors/xemacs21-mule/Makefile b/editors/xemacs21-mule/Makefile
index da0f6dc86551..2a5fbf9c749e 100644
--- a/editors/xemacs21-mule/Makefile
+++ b/editors/xemacs21-mule/Makefile
@@ -7,11 +7,21 @@
 
 PORTNAME=	xemacs-mule
 PORTVERSION=	${XEMACS_VER}
-.if defined(WNN6)
-.endif
+PORTREVISION=	1
 CATEGORIES+=	editors
 MASTER_SITES=	${MASTER_SITE_XEMACS}
 MASTER_SITE_SUBDIR=	xemacs-${XEMACS_REL}
+.if defined(CANNA) && defined(FREEWNN)
+PKGNAMESUFFIX+=	-canna+freewnn
+.elif defined(CANNA) && defined(WNN6)
+PKGNAMESUFFIX+=	-canna+wnn6
+.elif defined(FREEWNN)
+PKGNAMESUFFIX+=	-freewnn
+.elif defined(WNN6)
+PKGNAMESUFFIX+=	-wnn6
+.elif defined(CANNA)
+PKGNAMESUFFIX+=	-canna
+.endif
 DISTNAME=	xemacs-${XEMACS_VER}
 DISTFILES=	${DISTNAME}-src${EXTRACT_SUFX} \
 		${DISTNAME}-elc${EXTRACT_SUFX} ${DISTNAME}-info${EXTRACT_SUFX}
@@ -20,26 +30,19 @@ DIST_SUBDIR=	xemacs
 MAINTAINER?=	anrays@gmail.com
 COMMENT?=	XEmacs(stable version) text editor with mule(Only the executables)
 
-USE_GNOME=	#
-
-.include <bsd.port.pre.mk>
-
-BUILD_DEPENDS=	${LOCALBASE}/lib/xemacs/mule-packages/pkginfo/MANIFEST.skk:${PORTSDIR}/editors/xemacs-mule-packages
-RUN_DEPENDS=	${LOCALBASE}/lib/xemacs/xemacs-packages/etc/enriched.doc:${PORTSDIR}/editors/xemacs-packages \
-		${LOCALBASE}/lib/xemacs/mule-packages/pkginfo/MANIFEST.skk:${PORTSDIR}/editors/xemacs-mule-packages
+BUILD_DEPENDS=	${LOCALBASE}/lib/xemacs/mule-packages/pkginfo/MANIFEST.mule-base:${PORTSDIR}/editors/xemacs-mule-packages
+RUN_DEPENDS=	${LOCALBASE}/lib/xemacs/mule-packages/pkginfo/MANIFEST.mule-base:${PORTSDIR}/editors/xemacs-mule-packages
 .if defined(PKGNAMEPREFIX)
 RUN_DEPENDS+=	${LOCALBASE}/lib/xemacs-${XEMACS_VER}/lisp/x-win-xfree86.elc:${PORTSDIR}/editors/xemacs21-mule
 .endif
 LIB_DEPENDS=	jpeg.9:${PORTSDIR}/graphics/jpeg \
 		png.5:${PORTSDIR}/graphics/png \
 		tiff.4:${PORTSDIR}/graphics/tiff \
-		compface.1:${PORTSDIR}/mail/faces \
-		${LIB_INPUT_METHOD}
+		compface.1:${PORTSDIR}/mail/faces
 
-XEMACS_MAJOR_VER?=	21
-XEMACS_REL=		${XEMACS_MAJOR_VER}.4
-XEMACS_VER=		${XEMACS_MAJOR_VER}.4.16
-XEMACS_ARCH=		${CONFIGURE_TARGET}
+XEMACS_REL=	21.4
+XEMACS_VER=	${XEMACS_REL}.16
+XEMACS_ARCH=	${CONFIGURE_TARGET}
 
 USE_GETTEXT=	yes
 USE_XLIB=	yes
@@ -67,10 +70,8 @@ CONFIGURE_ARGS=	--with-x11 \
 		--with-clash-detection \
 		--with-database=berkdb \
 		${WITH_XIM} \
-		${WITH_ATHENA} \
-		${WITH_MENUBARS} ${WITH_SCROLLBARS} ${WITH_DIALOGS} ${WITH_WIDGETS} \
-		${WITH_OFFIX} ${WITH_GTK} \
-		${WITH_INPUT_METHOD}
+		${WITH_MENUBARS} ${WITH_SCROLLBARS} \
+		${WITH_DIALOGS} ${WITH_WIDGETS}
 MAKE_ARGS=	prefix=${PREFIX}
 ALL_TARGET=	all dist
 .if defined(PKGNAMEPREFIX)
@@ -85,18 +86,26 @@ MAN1=		xemacs.1
 MAN1=		ctags.1 etags.1 gnuattach.1 gnuclient.1 gnudoit.1 \
 		gnuserv.1 xemacs.1
 .endif
+
+.if defined(WITH_GTK)
+CONFIGURE_ARGS+=--with-gtk
+USE_GNOME+=	gtk12
+.endif
+
 PKGDIR=		${.CURDIR}/../../editors/xemacs21-mule
 
 PLIST_SUB=	XEMACS_VER=${XEMACS_VER} XEMACS_ARCH=${XEMACS_ARCH}
 
+.include <bsd.port.pre.mk>
+
 # Undump and malloc do not behave on amd64 at the moment
 .if ${ARCH} == "amd64"
-CONFIGURE_ARGS+= --with-system-malloc --pdump
+CONFIGURE_ARGS+=--with-system-malloc --pdump
 .endif
 
 pre-fetch:
-.if !defined(WANT_GTK)
-	@${ECHO_MSG} "If you want to use GTK, please set the environment variable WANT_GTK and recompile."
+.if !defined(WITH_GTK)
+	@${ECHO_MSG} "If you want to use GTK, please set the environment variable WITH_GTK and recompile."
 .endif
 .if !defined(WITHOUT_MOTIF)
 .if !defined(MOTIF_STATIC)
@@ -115,55 +124,50 @@ WITH_DIALOGS=	--with-dialogs=athena
 WITH_DIALOGS=	--with-dialogs=motif
 .endif
 
-.if defined(WANT_GTK)
-WITH_GTK=	--with-gtk=yes
-USE_GNOME+=	gtk12
-.endif
-
 .if defined(PACKAGE_BUILDING)
-WITH_OFFIX?=	--with-offix=no
+CONFIGURE_ARGS+=--with-offix=no
 .endif
-WITH_ATHENA?=	--with-athena=xaw
 WITH_MENUBARS?=	--with-menubars=lucid
 WITH_SCROLLBARS?=--with-scrollbars=motif
 WITH_WIDGETS?=	--with-widgets=motif
 .endif
 WITH_XIM?=	--with-xim=xlib
-WITH_ATHENA?=	--with-athena=xaw
 WITH_MENUBARS?=	--with-menubars=athena
 WITH_SCROLLBARS?=--with-scrollbars=athena
 WITH_DIALOGS?=	--with-dialogs=athena
 WITH_WIDGETS?=	--with-widgets=athena
 
+.if defined(WITH_XAW3D)
+CONFIGURE_ARGS+=--with-athena=3d
+.else
+CONFIGURE_ARGS+=--with-athena=xaw
+.endif
+
 BINNAMEEXT=		-mule
 .if defined(CANNA) && defined(FREEWNN)
-PKGNAMESUFFIX=		-canna+freewnn
-WITH_INPUT_METHOD=	--with-canna --with-wnn --with-wnn6=no
-LIB_INPUT_METHOD=	canna.1:${PORTSDIR}/japanese/Canna \
+CONFIGURE_ARGS+=	--with-canna --with-wnn --with-wnn6=no
+LIB_DEPENDS+=		canna.1:${PORTSDIR}/japanese/Canna \
 			wnn.0:${PORTSDIR}/japanese/FreeWnn-lib
 .elif defined(CANNA) && defined(WNN6)
-PKGNAMESUFFIX=		-canna+wnn6
 SITE_INCLUDES=		${LOCALBASE}/include/wnn6
-WITH_INPUT_METHOD=	--with-canna --with-wnn6
-LIB_INPUT_METHOD=	canna.1:${PORTSDIR}/japanese/Canna \
+CONFIGURE_ARGS+=	--with-canna --with-wnn6
+LIB_DEPENDS+=		canna.1:${PORTSDIR}/japanese/Canna \
 			wnn6.2:${PORTSDIR}/japanese/Wnn6-lib
 .elif defined(FREEWNN)
-PKGNAMESUFFIX=		-freewnn
-WITH_INPUT_METHOD=	--with-wnn --with-canna=no --with-wnn6=no
-LIB_INPUT_METHOD=	wnn.0:${PORTSDIR}/japanese/FreeWnn-lib
+CONFIGURE_ARGS+=	--with-wnn --with-canna=no --with-wnn6=no
+LIB_DEPENDS+=		wnn.0:${PORTSDIR}/japanese/FreeWnn-lib
 .elif defined(WNN6)
-PKGNAMESUFFIX=		-wnn6
 SITE_INCLUDES=		${LOCALBASE}/include/wnn6
-WITH_INPUT_METHOD=	--with-wnn6 --with-canna=no
-LIB_INPUT_METHOD=	wnn6.2:${PORTSDIR}/japanese/Wnn6-lib
+CONFIGURE_ARGS+=	--with-wnn6 --with-canna=no
+LIB_DEPENDS+=		wnn6.2:${PORTSDIR}/japanese/Wnn6-lib
 .elif defined(CANNA)
-PKGNAMESUFFIX=		-canna
-WITH_INPUT_METHOD=	--with-canna --with-wnn=no --with-wnn6=no
-LIB_INPUT_METHOD=	canna.1:${PORTSDIR}/japanese/Canna
+CONFIGURE_ARGS+=	--with-canna --with-wnn=no --with-wnn6=no
+LIB_DEPENDS+=		canna.1:${PORTSDIR}/japanese/Canna
+.else
+CONFIGURE_ARGS+=	--with-canna=no --with-wnn=no --with-wnn6=no
 .endif
 SITE_INCLUDES+=		${LOCALBASE}/include
 SITE_LIBRARIES+=	${LOCALBASE}/lib
-WITH_INPUT_METHOD?=	--with-canna=no --with-wnn=no --with-wnn6=no
 
 # fix .so references in a few man pages
 pre-configure::
@@ -186,7 +190,7 @@ post-install::
 	${MKDIR} ${PREFIX}/lib/xemacs/site-lisp
 	${CHMOD} 755 ${PREFIX}/lib/xemacs/site-lisp
 	${RM} -f ${PREFIX}/bin/send-pr
-.if defined(WANT_GTK)
+.if defined(WITH_GTK)
 	@${ECHO_MSG} "Please be aware that GTK support is buggy. Do not report bugs to"
 	@${ECHO_MSG} "the maintainer."
 	@${ECHO_MSG} "Please also be aware that the package's name was automagically changed"
diff --git a/editors/xemacs21-mule/files/patch-regex.c b/editors/xemacs21-mule/files/patch-regex.c
index 6a4e854c5955..2c85b2b1f0dd 100644
--- a/editors/xemacs21-mule/files/patch-regex.c
+++ b/editors/xemacs21-mule/files/patch-regex.c
@@ -1,33 +1,441 @@
-Index: regex.c
+Index: src/regex.c
 ===================================================================
 RCS file: /pack/xemacscvs/XEmacs/xemacs/src/regex.c,v
 retrieving revision 1.25.2.10
-retrieving revision 1.25.2.9
-diff -u -r1.25.2.10 -r1.25.2.9
+retrieving revision 1.25.2.8
+diff -u -r1.25.2.10 -r1.25.2.8
 --- src/regex.c	2004/10/08 00:40:33	1.25.2.10
-+++ src/regex.c	2004/09/23 03:03:43	1.25.2.9
-@@ -4766,20 +4766,16 @@
++++ src/regex.c	2004/03/15 03:34:59	1.25.2.8
+@@ -418,7 +418,7 @@
  
- 		/* Go through the first `min (num_regs, regs->num_regs)'
- 		   registers, since that is all we initialized.  */
+         /* Start remembering the text that is matched, for storing in a
+            register.  Followed by one byte with the register number, in
+-           the range 1 to the pattern buffer's re_ngroups
++           the range 0 to one less than the pattern buffer's re_nsub
+            field.  Then followed by one byte with the number of groups
+            inner to this one.  (This last has to be part of the
+            start_memory only because we need it in the on_failure_jump
+@@ -427,7 +427,7 @@
+ 
+         /* Stop remembering the text that is matched and store it in a
+            memory register.  Followed by one byte with the register
+-           number, in the range 1 to `re_ngroups' in the
++           number, in the range 0 to one less than `re_nsub' in the
+            pattern buffer, and one byte with the number of inner groups,
+            just like `start_memory'.  (We need the number of inner
+            groups here because we don't have any easy way of finding the
+@@ -974,7 +974,6 @@
+     }
+ 
+   printf ("re_nsub: %ld\t", (long)bufp->re_nsub);
+-  printf ("re_ngroups: %ld\t", (long)bufp->re_ngroups);
+   printf ("regs_alloc: %d\t", bufp->regs_allocated);
+   printf ("can_be_null: %d\t", bufp->can_be_null);
+   printf ("newline_anchor: %d\n", bufp->newline_anchor);
+@@ -984,20 +983,6 @@
+   printf ("syntax: %d\n", bufp->syntax);
+   /* Perhaps we should print the translate table?  */
+   /* and maybe the category table? */
+-
+-  if (bufp->external_to_internal_register)
+-    {
+-      int i;
+-
+-      printf ("external_to_internal_register:\n");
+-      for (i = 0; i <= bufp->re_nsub; i++)
+-	{
+-	  if (i > 0)
+-	    printf (", ");
+-	  printf ("%d -> %d", i, bufp->external_to_internal_register[i]);
+-	}
+-      printf ("\n");
+-    }
+ }
+ 
+ 
+@@ -1708,7 +1693,6 @@
+    ignore the excess.  */
+ typedef unsigned regnum_t;
+ 
+-#define INIT_REG_TRANSLATE_SIZE 5
+ 
+ /* Macros for the compile stack.  */
+ 
+@@ -1892,9 +1876,7 @@
+      `syntax' is set to SYNTAX;
+      `used' is set to the length of the compiled pattern;
+      `fastmap_accurate' is zero;
+-     `re_ngroups' is the number of groups/subexpressions (including shy
+-        groups) in PATTERN;
+-     `re_nsub' is the number of non-shy groups in PATTERN;
++     `re_nsub' is the number of subexpressions in PATTERN;
+      `not_bol' and `not_eol' are zero;
+ 
+    The `fastmap' and `newline_anchor' fields are neither
+@@ -1992,23 +1974,6 @@
+ 
+   /* Always count groups, whether or not bufp->no_sub is set.  */
+   bufp->re_nsub = 0;
+-  bufp->re_ngroups = 0;
+-
+-  if (bufp->external_to_internal_register == 0)
+-    {
+-      bufp->external_to_internal_register_size = INIT_REG_TRANSLATE_SIZE;
+-      RETALLOC (bufp->external_to_internal_register,
+-		bufp->external_to_internal_register_size,
+-		int);
+-    }
+-
+-  {
+-    int i;
+-
+-    bufp->external_to_internal_register[0] = 0;
+-    for (i = 1; i < bufp->external_to_internal_register_size; i++)
+-      bufp->external_to_internal_register[i] = (int) 0xDEADBEEF;
+-  }
+ 
+ #if !defined (emacs) && !defined (SYNTAX_TABLE)
+   /* Initialize the syntax table.  */
+@@ -2591,7 +2556,6 @@
+             handle_open:
+               {
+                 regnum_t r;
+-		int shy = 0;
+ 
+                 if (!(syntax & RE_NO_SHY_GROUPS)
+                     && p != pend
+@@ -2602,7 +2566,7 @@
+                     switch (c)
+                       {
+                       case ':': /* shy groups */
+-                        shy = 1;
++                        r = MAX_REGNUM + 1;
+                         break;
+ 
+                       /* All others are reserved for future constructs. */
+@@ -2610,32 +2574,11 @@
+                         FREE_STACK_RETURN (REG_BADPAT);
+                       }
+                   }
+-
+-		r = ++regnum;
+-		bufp->re_ngroups++;
+-		if (!shy)
+-		  {
+-		    bufp->re_nsub++;
+-		    while (bufp->external_to_internal_register_size <=
+-			   bufp->re_nsub)
+-		      {
+-			int i;
+-			int old_size =
+-			  bufp->external_to_internal_register_size;
+-			bufp->external_to_internal_register_size += 5;
+-			RETALLOC (bufp->external_to_internal_register,
+-				  bufp->external_to_internal_register_size,
+-				  int);
+-			/* debugging */
+-			for (i = old_size;
+-			     i < bufp->external_to_internal_register_size; i++)
+-			  bufp->external_to_internal_register[i] =
+-			    (int) 0xDEADBEEF;
+-		      }
+-
+-		    bufp->external_to_internal_register[bufp->re_nsub] =
+-		      bufp->re_ngroups;
+-		  }
++                else
++                  {
++                    bufp->re_nsub++;
++                    r = ++regnum;
++                  }
+ 
+                 if (COMPILE_STACK_FULL)
+                   {
+@@ -2659,10 +2602,7 @@
+                 /* We will eventually replace the 0 with the number of
+                    groups inner to this one.  But do not push a
+                    start_memory for groups beyond the last one we can
+-                   represent in the compiled pattern.
+-		   #### bad bad bad.  this will fail in lots of ways, if we
+-		   ever have to backtrack for these groups.
+-		*/
++                   represent in the compiled pattern.  */
+                 if (r <= MAX_REGNUM)
+                   {
+                     COMPILE_STACK_TOP.inner_group_offset
+@@ -3052,23 +2992,18 @@
+             case '1': case '2': case '3': case '4': case '5':
+             case '6': case '7': case '8': case '9':
+ 	      {
+-		int reg;
++		regnum_t reg;
+ 		if (syntax & RE_NO_BK_REFS)
+ 		  goto normal_char;
+ 
+ 		reg = c - '0';
+ 
+-		if (reg > bufp->re_nsub)
++		if (reg > regnum)
+ 		  FREE_STACK_RETURN (REG_ESUBREG);
+ 
+-		{
+-		  int regint = bufp->external_to_internal_register[reg];
+-		  /* Can't back reference to a subexpression if inside it. */
+-		  if (group_in_compile_stack (compile_stack, regint))
+-		    {
+-		      goto normal_char;
+-		    }
+-		}
++		/* Can't back reference to a subexpression if inside of it.  */
++		if (group_in_compile_stack (compile_stack, reg))
++		  goto normal_char;
+ 
+ 		laststart = buf_end;
+ 		BUF_PUSH_2 (duplicate, reg);
+@@ -3186,7 +3121,7 @@
+      isn't necessary unless we're trying to avoid calling alloca in
+      the search and match routines.  */
+   {
+-    int num_regs = bufp->re_ngroups + 1;
++    int num_regs = bufp->re_nsub + 1;
+ 
+     /* Since DOUBLE_FAIL_STACK refuses to double only if the current size
+        is strictly greater than re_max_failures, the largest possible stack
+@@ -4449,7 +4384,7 @@
+   /* We fill all the registers internally, independent of what we
+      return, for use in backreferences.  The number here includes
+      an element for register zero.  */
+-  int num_regs = bufp->re_ngroups + 1;
++  int num_regs = bufp->re_nsub + 1;
+ 
+   /* The currently active registers.  */
+   int lowest_active_reg = NO_LOWEST_ACTIVE_REG;
+@@ -4535,7 +4470,7 @@
+      there are groups, we include space for register 0 (the whole
+      pattern), even though we never use it, since it simplifies the
+      array indexing.  We should fix this.  */
+-  if (bufp->re_ngroups)
++  if (bufp->re_nsub)
+     {
+       regstart       = REGEX_TALLOC (num_regs, re_char *);
+       regend         = REGEX_TALLOC (num_regs, re_char *);
+@@ -4711,87 +4646,80 @@
+           DEBUG_PRINT1 ("Accepting match.\n");
+ 
+           /* If caller wants register contents data back, do it.  */
+-	  {
+-	    int num_nonshy_regs = bufp->re_nsub + 1;
+-	    if (regs && !bufp->no_sub)
+-	      {
+-		/* Have the register data arrays been allocated?  */
+-		if (bufp->regs_allocated == REGS_UNALLOCATED)
+-		  { /* No.  So allocate them with malloc.  We need one
+-		       extra element beyond `num_regs' for the `-1' marker
+-		       GNU code uses.  */
+-		    regs->num_regs = MAX (RE_NREGS, num_nonshy_regs + 1);
+-		    regs->start = TALLOC (regs->num_regs, regoff_t);
+-		    regs->end = TALLOC (regs->num_regs, regoff_t);
+-		    if (regs->start == NULL || regs->end == NULL)
+-		      {
+-			FREE_VARIABLES ();
+-			return -2;
+-		      }
+-		    bufp->regs_allocated = REGS_REALLOCATE;
+-		  }
+-		else if (bufp->regs_allocated == REGS_REALLOCATE)
+-		  { /* Yes.  If we need more elements than were already
+-		       allocated, reallocate them.  If we need fewer, just
+-		       leave it alone.  */
+-		    if (regs->num_regs < num_nonshy_regs + 1)
+-		      {
+-			regs->num_regs = num_nonshy_regs + 1;
+-			RETALLOC (regs->start, regs->num_regs, regoff_t);
+-			RETALLOC (regs->end, regs->num_regs, regoff_t);
+-			if (regs->start == NULL || regs->end == NULL)
+-			  {
+-			    FREE_VARIABLES ();
+-			    return -2;
+-			  }
+-		      }
+-		  }
+-		else
+-		  {
+-		    /* The braces fend off a "empty body in an else-statement"
+-		       warning under GCC when assert expands to nothing.  */
+-		    assert (bufp->regs_allocated == REGS_FIXED);
+-		  }
+-
+-		/* Convert the pointer data in `regstart' and `regend' to
+-		   indices.  Register zero has to be set differently,
+-		   since we haven't kept track of any info for it.  */
+-		if (regs->num_regs > 0)
+-		  {
+-		    regs->start[0] = pos;
+-		    regs->end[0] = (MATCHING_IN_FIRST_STRING
+-				    ? ((regoff_t) (d - string1))
+-				    : ((regoff_t) (d - string2 + size1)));
+-		  }
++          if (regs && !bufp->no_sub)
++	    {
++              /* Have the register data arrays been allocated?  */
++              if (bufp->regs_allocated == REGS_UNALLOCATED)
++                { /* No.  So allocate them with malloc.  We need one
++                     extra element beyond `num_regs' for the `-1' marker
++                     GNU code uses.  */
++                  regs->num_regs = MAX (RE_NREGS, num_regs + 1);
++                  regs->start = TALLOC (regs->num_regs, regoff_t);
++                  regs->end = TALLOC (regs->num_regs, regoff_t);
++                  if (regs->start == NULL || regs->end == NULL)
++		    {
++		      FREE_VARIABLES ();
++		      return -2;
++		    }
++                  bufp->regs_allocated = REGS_REALLOCATE;
++                }
++              else if (bufp->regs_allocated == REGS_REALLOCATE)
++                { /* Yes.  If we need more elements than were already
++                     allocated, reallocate them.  If we need fewer, just
++                     leave it alone.  */
++                  if (regs->num_regs < num_regs + 1)
++                    {
++                      regs->num_regs = num_regs + 1;
++                      RETALLOC (regs->start, regs->num_regs, regoff_t);
++                      RETALLOC (regs->end, regs->num_regs, regoff_t);
++                      if (regs->start == NULL || regs->end == NULL)
++			{
++			  FREE_VARIABLES ();
++			  return -2;
++			}
++                    }
++                }
++              else
++		{
++		  /* These braces fend off a "empty body in an else-statement"
++		     warning under GCC when assert expands to nothing.  */
++		  assert (bufp->regs_allocated == REGS_FIXED);
++		}
+ 
+-		/* Go through the first `min (num_regs, regs->num_regs)'
+-		   registers, since that is all we initialized.  */
 -		for (mcnt = 1;
 -		     mcnt < MIN (num_nonshy_regs, regs->num_regs);
 -		     mcnt++)
-+		for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++)
- 		  {
+-		  {
 -		    int ireg = bufp->external_to_internal_register[mcnt];
--
++              /* Convert the pointer data in `regstart' and `regend' to
++                 indices.  Register zero has to be set differently,
++                 since we haven't kept track of any info for it.  */
++              if (regs->num_regs > 0)
++                {
++                  regs->start[0] = pos;
++                  regs->end[0] = (MATCHING_IN_FIRST_STRING
++				  ? ((regoff_t) (d - string1))
++			          : ((regoff_t) (d - string2 + size1)));
++                }
+ 
 -		    if (REG_UNSET (regstart[ireg]) || REG_UNSET (regend[ireg]))
-+		    if (REG_UNSET (regstart[mcnt]) || REG_UNSET (regend[mcnt]))
- 		      regs->start[mcnt] = regs->end[mcnt] = -1;
- 		    else
- 		      {
- 			regs->start[mcnt]
+-		      regs->start[mcnt] = regs->end[mcnt] = -1;
+-		    else
+-		      {
+-			regs->start[mcnt]
 -			  = (regoff_t) POINTER_TO_OFFSET (regstart[ireg]);
-+			  = (regoff_t) POINTER_TO_OFFSET (regstart[mcnt]);
- 			regs->end[mcnt]
+-			regs->end[mcnt]
 -			  = (regoff_t) POINTER_TO_OFFSET (regend[ireg]);
-+			  = (regoff_t) POINTER_TO_OFFSET (regend[mcnt]);
- 		      }
- 		  }
- 	      } /* regs && !bufp->no_sub */
+-		      }
+-		  }
+-	      } /* regs && !bufp->no_sub */
+-	  }
++              /* Go through the first `min (num_regs, regs->num_regs)'
++                 registers, since that is all we initialized.  */
++	      for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++)
++		{
++                  if (REG_UNSET (regstart[mcnt]) || REG_UNSET (regend[mcnt]))
++                    regs->start[mcnt] = regs->end[mcnt] = -1;
++                  else
++                    {
++		      regs->start[mcnt]
++			= (regoff_t) POINTER_TO_OFFSET (regstart[mcnt]);
++                      regs->end[mcnt]
++			= (regoff_t) POINTER_TO_OFFSET (regend[mcnt]);
++                    }
++		}
++	    } /* regs && !bufp->no_sub */
+ 
+ 	  /* If we have regs and the regs structure has more elements than
+-	     were in the pattern, set the extra elements to -1.  If we
++             were in the pattern, set the extra elements to -1.  If we
+ 	     (re)allocated the registers, this is the case, because we
+ 	     always allocate enough to have at least one -1 at the end.
+ 
+ 	     We do this even when no_sub is set because some applications
+-	     (XEmacs) reuse register structures which may contain stale
++             (XEmacs) reuse register structures which may contain stale
+ 	     information, and permit attempts to access those registers.
+ 
+ 	     It would be possible to require the caller to do this, but we'd
+@@ -4801,20 +4729,20 @@
+ 	    for (mcnt = num_regs; mcnt < regs->num_regs; mcnt++)
+ 	      regs->start[mcnt] = regs->end[mcnt] = -1;
+ 
+-	  DEBUG_PRINT4 ("%u failure points pushed, %u popped (%u remain).\n",
+-			nfailure_points_pushed, nfailure_points_popped,
+-			nfailure_points_pushed - nfailure_points_popped);
+-	  DEBUG_PRINT2 ("%u registers pushed.\n", num_regs_pushed);
++          DEBUG_PRINT4 ("%u failure points pushed, %u popped (%u remain).\n",
++                        nfailure_points_pushed, nfailure_points_popped,
++                        nfailure_points_pushed - nfailure_points_popped);
++          DEBUG_PRINT2 ("%u registers pushed.\n", num_regs_pushed);
+ 
+-	  mcnt = d - pos - (MATCHING_IN_FIRST_STRING
++          mcnt = d - pos - (MATCHING_IN_FIRST_STRING
+ 			    ? string1
+ 			    : string2 - size1);
+ 
+-	  DEBUG_PRINT2 ("Returning %d from re_match_2.\n", mcnt);
++          DEBUG_PRINT2 ("Returning %d from re_match_2.\n", mcnt);
+ 
+-	  FREE_VARIABLES ();
+-	  return mcnt;
+-	}
++          FREE_VARIABLES ();
++          return mcnt;
++        }
+ 
+       /* Otherwise match next pattern command.  */
+       switch (SWITCH_ENUM_CAST ((re_opcode_t) *p++))
+@@ -5143,15 +5071,11 @@
+ 
+ 
+ 	/* \<digit> has been turned into a `duplicate' command which is
+-           followed by the numeric value of <digit> as the register number.
+-	   (Already passed through external-to-internal-register mapping,
+-	   so it refers to the actual group number, not the non-shy-only
+-	   numbering used in the external world.) */
++           followed by the numeric value of <digit> as the register number.  */
+         case duplicate:
+ 	  {
+ 	    REGISTER re_char *d2, *dend2;
+-	    /* Get which register to match against.  */
+-	    int regno = *p++;
++	    int regno = *p++;   /* Get which register to match against.  */
+ 	    DEBUG_PRINT2 ("EXECUTING duplicate %d.\n", regno);
+ 
+ 	    /* Can't back reference a group which we've never matched.  */
+@@ -6329,8 +6253,6 @@
+      `newline_anchor' to REG_NEWLINE being set in CFLAGS;
+      `fastmap' and `fastmap_accurate' to zero;
+      `re_nsub' to the number of subexpressions in PATTERN.
+-     (non-shy of course.  POSIX probably doesn't know about
+-     shy ones, and in any case they should be invisible.)
+ 
+    PATTERN is the address of the pattern string.
+ 
+@@ -6373,7 +6295,7 @@
+ 
+   if (cflags & REG_ICASE)
+     {
+-      int i;
++      unsigned i;
+ 
+       preg->translate = (char *) malloc (CHAR_SET_SIZE);
+       if (preg->translate == NULL)
diff --git a/editors/xemacs21-mule/files/patch-regex.h b/editors/xemacs21-mule/files/patch-regex.h
new file mode 100644
index 000000000000..946fe4fc882b
--- /dev/null
+++ b/editors/xemacs21-mule/files/patch-regex.h
@@ -0,0 +1,37 @@
+Index: src/regex.h
+===================================================================
+RCS file: /pack/xemacscvs/XEmacs/xemacs/src/regex.h,v
+retrieving revision 1.7.2.2
+retrieving revision 1.7.2.1
+diff -u -r1.7.2.2 -r1.7.2.1
+--- src/regex.h	2004/09/23 03:03:47	1.7.2.2
++++ src/regex.h	2001/04/16 09:24:54	1.7.2.1
+@@ -358,14 +358,9 @@
+            when it is matched.  */
+   RE_TRANSLATE_TYPE translate;
+ 
+-	/* Number of returnable groups found by the compiler. (This does
+-           not count shy groups.) */
++	/* Number of subexpressions found by the compiler.  */
+   Element_count re_nsub;
+ 
+-	/* Total number of groups found by the compiler. (Including
+-	   shy ones.) */
+-  Element_count re_ngroups;
+-
+         /* Zero if this pattern cannot match the empty string, one else.
+            Well, in truth it's used only in `re_search_2', to see
+            whether or not we should use the fastmap, so we don't set
+@@ -399,12 +394,6 @@
+ 
+         /* If true, an anchor at a newline matches.  */
+   unsigned newline_anchor : 1;
+-
+-	/* Mapping between back references and groups (may not be
+-	   equivalent with shy groups). */
+-  int *external_to_internal_register;
+-
+-  int external_to_internal_register_size;
+ 
+ /* [[[end pattern_buffer]]] */
+ };