adding a double quote into a regsub in vcl_fetch

[Paul A. Procacci]

On Tue, Oct 15, 2013 at 07:16:45PM -0400, Stefan Caunter wrote:
> On Tue, Oct 15, 2013 at 7:03 PM, Paul A. Procacci
> <pprocacci at datapipe.com> wrote:
> > Yep,
> >
> > I see that now.  Didn't realize the parser was that picky.
> >
> > "
> >
> > Can you use the above in place of a double quote?
> >
> > I.E:
> >   set beresp.http.Link = regsub(req.url, "^/blah.*", "<http://example.com/blah>; rel="canonical" ");
> >
>
> it faithfully prints that out
>
> Link: <http://example.com/blah>; rel="canonical"

Instead of the back and forth, how about from the documenation:
(https://www.varnish-cache.org/trac/wiki/VCLSyntaxStrings)

"Given that we have never been able to come up with a valid need for any escaped characters apart from that, we decided that %22 for " and %25 for %, was much less suffering than doubling all backslashes in regexp/regsub contexts."

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