Tue, 23 Aug 2011 15:13:55 +0930
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On 23/08/2011, at 4:44 AM, Joseph Wright wrote:
> I have added the scheme broadly as outlined above to l3keys. Feedback
> would be welcome. For example, does 'set_known' convey the appropriate
> idea? Show the variable used for storing the 'return' value be fixes, or
> flexible as in
>
> \keys_set_known:nnN { <module> } { <keys> } <return-var>
I slightly prefer having an explicit <return-var>. Not only is the resultant code a little clearer (using, say, \l_fontspec_features_tl instead of \l_keys_leftovers_tl) but also allows some interleaving where you otherwise might have to manually push/pop the value of \l_keys_leftovers_tl.
Cheers,
-- Will
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