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Subject:
e-TeX low-level expertise needed Re: Allocation of registers
From:
Chris Rowley <[log in to unmask]>
Reply To:
Mailing list for the LaTeX3 project <[log in to unmask]>
Date:
Wed, 15 Sep 2010 21:15:43 +0100
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Hmm, reading The Manual, eh!
>>
I also notice that the e-TeX manual says
'The additional registers, numbered 256&#8211;32767, can be used exactly as 
the first 256, except that they can not be used for insertion classes.'
>>

So what happens when e-TeX reads  \reserveinsert <bignum> {<stuff>} ??

a: An error?  But then what happens to <stuff>
?
b: Or does <stuff> just silently disappear?

c: Or (a variant on b:) an insertion item gets into the current list but none of the associated registers is created/populated and this item is subsequently ignored when building pages etc. 

Questions, questions, questions ...

chris
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