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Message-ID:  <4C99044E.8080303@morningstar2.co.uk>
Date:         Tue, 21 Sep 2010 20:15:26 +0100
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From: Joseph Wright <joseph.wright@MORNINGSTAR2.CO.UK>
Subject: Re: boolean expressions in ExplSyntaxNames
To: LATEX-L@listserv.uni-heidelberg.de
In-Reply-To:  <353AB782-051D-400D-99B4-E3258AAB4F35@gmail.com>
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Status: R

On 21/09/2010 14:05, Will Robertson wrote:
> I'm not willing to throw away the infix notation,

I'd point out that we have an outstanding bug in the infix system with 
no obvious solution. For other readers, you'll find that

   \bool_if_p:n { ! (\c_true_bool)  && \c_false_bool }

gives the wrong result.
-- 
Joseph Wright