[NTG-context] Re: imposition: getting to the last page of a booklet

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

Hans Hagen schrieb am 06.03.2024 um 21:38:
> On 3/6/2024 7:50 PM, Wolfgang Schuster wrote:
>
>> The semicolon is a undocumented extension (I noticed it in the 
>> definition of \page[quadruple]) of \numexpr in Luametatex for the 
>> modulus operator.
>
> One of these days I have to write the pending section in th elow level 
> manual and also explain this:
>
> \starttext
>     \ifnum  10  = 11 wrong \else okay  \fi
>     \ifnum  10 != 11 okay  \else wrong \fi
>     \ifnum  10 !> 11 okay  \else wrong \fi
>     \ifnum  10 !< 11 wrong \else okay  \fi
>     \ifnum  10 ≤  11 okay  \else wrong \fi
>     \ifnum  10 ≥  11 wrong \else okay  \fi
>     \ifnum  10 ≰  11 okay  \else wrong \fi
>     \ifnum  10 ≱  11 wrong \else okay  \fi
>     \ifnum "F0 ∈ "F0 okay  \else wrong \fi
>     \ifnum "F0 ∉ "F0 wrong \else okay  \fi
> \stoptext

These new features are mentioned in the Luametatex manual but not the 
additions to \numexpr (I checked and : is mentioned but ; is missing).

\starttext

\startlines
\number\numexpr 5 + 2 \relax
\number\numexpr 5 - 2 \relax
\number\numexpr 5 * 2 \relax
\number\numexpr 5 / 2 \relax
\number\numexpr 5 : 2 \relax % new!
\number\numexpr 5 ; 2 \relax % new!
\stoplines

\stoptext

Wolfgang

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