From 4979f7302784da624a75d82a7db0e11a5ac84ce0 Mon Sep 17 00:00:00 2001
From: Scott Hannahs <sth@magnet.fsu.edu>
Date: Mon, 12 Feb 2024 11:34:47 -0500
Subject: [PATCH] Allow \<space> to replace \b to represent blanks in file
 names.  Makes transcripts compatible with shell calls

---
 argcargv.c | 10 +++++++++-
 code.c     |  3 ++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/argcargv.c b/argcargv.c
index d78ca47..0e58fc5 100644
--- a/argcargv.c
+++ b/argcargv.c
@@ -45,6 +45,7 @@ acav_parse( ACAV *acav, char *line, char **argv[] )
 {
     int		ac;
     int		state;
+    char *      pline = line;
 
     if ( acav == NULL ) {
 	if ( acavg == NULL ) {
@@ -60,7 +61,6 @@ acav_parse( ACAV *acav, char *line, char **argv[] )
 
     for ( ; *line != '\0'; line++ ) {
 	switch ( *line ) {
-	case ' ' :
 	case '\t' :
 	case '\n' :
 	    if ( state == ACV_WORD ) {
@@ -68,6 +68,14 @@ acav_parse( ACAV *acav, char *line, char **argv[] )
 		state = ACV_WHITE;
 	    }
 	    break;
+	case ' ' :
+	  if ( ( line == pline ) || ( *(line-1) != '\\') ) {
+	        if ( state == ACV_WORD ) {
+		    *line = '\0';
+		    state = ACV_WHITE;
+	        }
+	        break;
+	    }
 	default :
 	    if ( state == ACV_WHITE ) {
 		acav->acv_argv[ ac++ ] = line;
diff --git a/code.c b/code.c
index eb0319b..8d41b59 100644
--- a/code.c
+++ b/code.c
@@ -34,7 +34,7 @@ encode( char *line )
 	case ' ' :
 	    *temp = '\\';
 	    temp++;
-	    *temp = 'b';
+	    *temp = ' ';
 	    break;
 	case '\t' :
 	    *temp = '\\';
@@ -96,6 +96,7 @@ decode( char *line )
 		*temp = '\t';
 		break;
 	    case 'b':
+	    case ' ':
 		*temp = ' ';
 		break;
 	    case 'r':