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From: Zefram <zefram@dcs.warwick.ac.uk>
Message-Id: <27598.199612141815@stone.dcs.warwick.ac.uk>
Subject: Re: bindkey bug?
To: hzoli@cs.elte.hu (Zoltan Hidvegi)
Date: Sat, 14 Dec 1996 18:15:16 +0000 (GMT)
Cc: zsh-workers@math.gatech.edu
In-Reply-To: <199612140329.EAA05233@hzoli.ppp.cs.elte.hu> from "Zoltan Hidvegi" at Dec 14, 96 04:29:41 am
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Zoltan Hidvegi wrote:
>I have this bindkey in my .zshrc:
>
>bindkey -s '^Z' '^[Qfg^M'
>
>In recent zsh versions after this command zsh thinks that ^Z is a prefix
>and waits a half second before executing the string.  That did not happen
>in zsh-3.0.0.
>
>Does any of you know exactly which caused this changed?

It was a side-effect of my key binding patch.  The replacement string
can't be stored in the simple key table, so ^Z has to be treated as a
prefix.  Of course, its prefixct is 0, indicating that it's not really
a prefix.  The bug is that getkeycmd() doesn't check prefixct soon
enough.  This totally untested patch should fix it:

      *** zle_main.c.old	Sat Dec 14 17:59:26 1996
      --- zle_main.c	Sat Dec 14 18:10:22 1996
      ***************
      *** 536,542 ****
        	Key ky;
        
        	metafy_keybuf();
      ! 	cky = (Key) keybindtab->getnode(keybindtab, keybuf);
        	unmetafy(keybuf, NULL);
        
        	if (cky->func == z_undefinedkey)
      --- 536,542 ----
        	Key ky;
        
        	metafy_keybuf();
      ! 	ky = cky = (Key) keybindtab->getnode(keybindtab, keybuf);
        	unmetafy(keybuf, NULL);
        
        	if (cky->func == z_undefinedkey)
      ***************
      *** 543,549 ****
        	    cky = NULL;
        	else
        	    lastlen = 1;
      ! 	for (;;) {
        	    if ((c = getkey(!!cky)) >= 0) {
        		keybuf[keybuflen++] = c;
        		metafy_keybuf();
      --- 543,549 ----
        	    cky = NULL;
        	else
        	    lastlen = 1;
      ! 	while(ky->prefixct) {
        	    if ((c = getkey(!!cky)) >= 0) {
        		keybuf[keybuflen++] = c;
        		metafy_keybuf();
      ***************
      *** 555,575 ****
        		if (ky->func == z_undefinedkey)
        		    continue;
        		cky = ky;
      - 		if (!ky->prefixct) {
      - 		    ret = ky->func;
      - 		    break;
      - 		}
        		lastlen = keybuflen;
        	    } else if (cky) {
        		ungetkeys(keybuf + lastlen, keybuflen - lastlen);
        		if(vichgflag)
        		    vichgbufptr -= keybuflen - lastlen;
      - 		ret = cky->func;
        		c = keybuf[lastlen - 1];
        		break;
        	    } else
        		return z_undefinedkey;
        	}
            }
            if (ret == z_executenamedcmd && !statusline) {
        	while(ret == z_executenamedcmd)
      --- 555,571 ----
        		if (ky->func == z_undefinedkey)
        		    continue;
        		cky = ky;
        		lastlen = keybuflen;
        	    } else if (cky) {
        		ungetkeys(keybuf + lastlen, keybuflen - lastlen);
        		if(vichgflag)
        		    vichgbufptr -= keybuflen - lastlen;
        		c = keybuf[lastlen - 1];
        		break;
        	    } else
        		return z_undefinedkey;
        	}
      + 	ret = cky->func;
            }
            if (ret == z_executenamedcmd && !statusline) {
        	while(ret == z_executenamedcmd)

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