Mis-config in my VCL

[Benimaur Gao]

Hi,
I am trying to get myself acquaintance with ESI.
I add the following snippet to my default.vcl, and cannot get varnishd
started anymore..

 83 sub vcl_fetch {
 84     if (req.url == "/esi.html") {
 85        set beresp.do_esi = true;
 86        set beresp.ttl = 24h;
 87     } elseif (req.url == "/cgi-bin/date.cgi") {
 88        set beresp.ttl = 1m;
 89     }
 90     if (!beresp.cacheable) {
 91         return (pass);
 92     }
 93     if (beresp.http.Set-Cookie) {
 94         return (pass);
 95     }
 96     return (deliver);
 97 }

and the error message is:

# varnishd -f /etc/varnish/default.vcl -s malloc,10M -T 127.0.0.1:2000
storage_malloc: max size 10 MB.
Message from VCC-compiler:
Unknown variable 'beresp.do_esi'
At: (input Line 85 Pos 12)
       set beresp.do_esi = true;
-----------#############--------
Running VCC-compiler failed, exit 1
VCL compilation failed

hope someone can help.
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