This was for nvi 1.34
& has not yet been upgraded to newer nvi version

This patch makes :showmode better for newbies.

There might be a bug in this that causes:
 Malloc warning: free(): already free page.

*** old/src/contrib/nvi/common/screen.h	Wed Aug 17 01:36:43 1994
--- new/src/contrib/nvi/common/screen.h	Sat Jun  1 16:15:40 1996
***************
*** 166,172 ****
  	CHAR_T	 cname[MAX_CHARACTER_COLUMNS + 1];
  	size_t	 clen;			/* Length of display character. */
  
! #define	MAX_MODE_NAME	12
  	char	*showmode;		/* Mode. */
  
  	void	*ex_private;		/* Ex private area. */
--- 166,177 ----
  	CHAR_T	 cname[MAX_CHARACTER_COLUMNS + 1];
  	size_t	 clen;			/* Length of display character. */
  
! /* #define	MAX_MODE_NAME	12 */
! /* Extend MAX_MODE_NAME for size of new strings like
! 	vi/v_text.c:	"Insert until <Escape>"		22 chars
! 	vi/vi.c:	"Command  :help  if stuck"	25 chars
! */
! #define	MAX_MODE_NAME	27
  	char	*showmode;		/* Mode. */
  
  	void	*ex_private;		/* Ex private area. */
*** old/src/contrib/nvi/vi/v_text.c	Thu Aug 18 03:15:20 1994
--- new/src/contrib/nvi/vi/v_text.c	Sat Jun  1 11:34:46 1996
***************
*** 56,61 ****
--- 56,66 ----
  #include "vi.h"
  #include "vcmd.h"
  
+ static char insert_msg[] = "Insert until <Escape>" ;
+ static char append_msg[] = "Append until <Escape>" ;
+ static char change_msg[] = "Change until <Escape>" ;
+ static char replace_msg[] = "Replace until <Escape>" ;
+ 
  /*
   * !!!
   * Repeated input in the historic vi is mostly wrong and this isn't very
***************
*** 111,117 ****
  	int first;
  	char *p;
  
! 	sp->showmode = "Append";
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1, lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
--- 116,122 ----
  	int first;
  	char *p;
  
! 	sp->showmode = append_msg;
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1, lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
***************
*** 164,170 ****
  	size_t len;
  	char *p;
  
! 	sp->showmode = "Append";
  	flags = set_txt_std(sp, vp, 0);
  	for (lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
--- 169,175 ----
  	size_t len;
  	char *p;
  
! 	sp->showmode = append_msg;
  	flags = set_txt_std(sp, vp, 0);
  	for (lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
***************
*** 219,225 ****
  	int first;
  	char *p;
  
! 	sp->showmode = "Insert";
  	flags = set_txt_std(sp, vp, 0);
  	for (first = 1, lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
--- 224,230 ----
  	int first;
  	char *p;
  
! 	sp->showmode = insert_msg;
  	flags = set_txt_std(sp, vp, 0);
  	for (first = 1, lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
***************
*** 274,280 ****
  	u_int flags;
  	char *p;
  
! 	sp->showmode = "Insert";
  	flags = set_txt_std(sp, vp, 0);
  	for (lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
--- 279,285 ----
  	u_int flags;
  	char *p;
  
! 	sp->showmode = insert_msg;
  	flags = set_txt_std(sp, vp, 0);
  	for (lno = vp->m_start.lno,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
***************
*** 325,331 ****
  	int first;
  	char *p;
  
! 	sp->showmode = "Insert";
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1, cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
  		if (sp->lno == 1) {
--- 330,336 ----
  	int first;
  	char *p;
  
! 	sp->showmode = insert_msg;
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1, cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
  		if (sp->lno == 1) {
***************
*** 380,386 ****
  	int first;
  	char *p;
  
! 	sp->showmode = "Insert";
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
--- 385,391 ----
  	int first;
  	char *p;
  
! 	sp->showmode = insert_msg;
  	flags = set_txt_std(sp, vp, TXT_APPENDEOL);
  	for (first = 1,
  	    cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) {
***************
*** 483,489 ****
  	char *p;
  	u_int flags;
  
! 	sp->showmode = "Change";
  	flags = set_txt_std(sp, vp, iflags);
  
  	/*
--- 488,494 ----
  	char *p;
  	u_int flags;
  
! 	sp->showmode = change_msg;
  	flags = set_txt_std(sp, vp, iflags);
  
  	/*
***************
*** 588,594 ****
  	int lmode, rval;
  	char *bp, *p;
  
! 	sp->showmode = "Change";
  	flags = set_txt_std(sp, vp, 0);
  
  	/*
--- 593,599 ----
  	int lmode, rval;
  	char *bp, *p;
  
! 	sp->showmode = change_msg;
  	flags = set_txt_std(sp, vp, 0);
  
  	/*
***************
*** 740,746 ****
  	u_int flags;
  	char *p;
  
! 	sp->showmode = "Replace";
  	flags = set_txt_std(sp, vp, 0);
  
  	cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
--- 745,751 ----
  	u_int flags;
  	char *p;
  
! 	sp->showmode = replace_msg;
  	flags = set_txt_std(sp, vp, 0);
  
  	cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
***************
*** 816,822 ****
  	u_int flags;
  	char *p;
  
! 	sp->showmode = "Change";
  	flags = set_txt_std(sp, vp, 0);
  	if ((p = file_gline(sp, ep, vp->m_start.lno, &len)) == NULL) {
  		if (file_lline(sp, ep, &lno))
--- 821,827 ----
  	u_int flags;
  	char *p;
  
! 	sp->showmode = change_msg;
  	flags = set_txt_std(sp, vp, 0);
  	if ((p = file_gline(sp, ep, vp->m_start.lno, &len)) == NULL) {
  		if (file_lline(sp, ep, &lno))
*** old/src/contrib/nvi/vi/vi.c	Thu Aug 18 03:15:30 1994
--- new/src/contrib/nvi/vi/vi.c	Sat Jun  1 15:22:53 1996
***************
*** 96,102 ****
  
  	for (eval = 0, vp = &cmd;;) {
  		/* Refresh the screen. */
! 		sp->showmode = "Command";
  		if (sp->s_refresh(sp, ep)) {
  			eval = 1;
  			break;
--- 96,103 ----
  
  	for (eval = 0, vp = &cmd;;) {
  		/* Refresh the screen. */
! 		sp->showmode = 
! 			"Command mode. Type `:help' if stuck";
  		if (sp->s_refresh(sp, ep)) {
  			eval = 1;
  			break;