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From: Zefram <A.Main@dcs.warwick.ac.uk>
Message-Id: <5898.199511231454@stone.dcs.warwick.ac.uk>
Subject: fix for $? after parameter setting
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Date: Thu, 23 Nov 1995 14:54:27 +0000 (GMT)
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This bug appeared in beta10:

% wibble=$(false)
% echo $?
0
% ksh
$ wibble=$(false)
$ echo $?
1

Here's the fix:

      *** 1.1	1995/11/23 06:07:30
      --- Src/exec.c	1995/11/23 14:48:19
      ***************
      *** 1161,1168 ****
        	    } else
        		addlinknode(args, dupstring(nullcmd));
        	} else {
        	    addvars(cmd->vars, 0);
      ! 	    lastval = errflag;
        	    if (isset(XTRACE)) {
        		fputc('\n', stderr);
        		fflush(stderr);
      --- 1161,1169 ----
        	    } else
        		addlinknode(args, dupstring(nullcmd));
        	} else {
      + 	    lastval = 0;
        	    addvars(cmd->vars, 0);
      ! 	    if(errflag) lastval = errflag;
        	    if (isset(XTRACE)) {
        		fputc('\n', stderr);
        		fflush(stderr);

 -zefram

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