Getting quote regular expressions from ignore_quotes via S-Lang?

"J.B. Nicholson-Owens" <[email protected]> Fri, 09 May 2014 21:53:46 -0500

Newsgroups	gmane.network.slrn.user
Message-ID	<[email protected]>

How does one get the regular expression(s) used with ignore_quotes in an 
S-Lang slrn macro?

I can't use get_variable_value() because that function only works with 
slrn variables that are set with "set".

I'd like to read these strings for a macro I'm writing where I'd like to 
avoid giving the regular expressions more than once -- once with 
ignore_quotes and another time for the macro to use.

Thanks.

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