Re: Layers don't repeat in Mk IV

[Derek CORDEIRO <derekcordeiro@gmail.com>]

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On Wed, Aug 5, 2009 at 2:45 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

>
> Am 05.08.2009 um 10:47 schrieb Derek CORDEIRO:
>
>  \definelayer[mybg][width=\paperwidth,height=\paperheight,state=repeat]
>> \setlayer    [mybg]
>>        [hoffset=1cm, voffset=1cm]
>>        {\framed[frame=on, width=3cm,
>> height=2cm]{\externalfigure[cow][width=1cm]
>> }}
>> \setupbackgrounds[page][background=mybg]
>>
>> \starttext
>> \dorecurse{6}{\input tufte\par}
>> \stoptext
>>
>> It still does not work(still layer only on first page in Mk IV). What am I
>> doing wrong?
>>
>
> A typo in pack-lyr.mkiv for the \dodoflushlayer macro.
>
> In MkII a line of the macro is
>
>       \doifnotvalue{\??ll#2\c!position}\v!yes
>         {\doifvalue{\??ll#2\c!repeat}\v!yes\!!donecfalse
>          \doifvalue{\??ll#2\c!state}\v!repeat\!!donecfalse}%
>
> while in MkIV it's
>
>     \ifx\@@currentlayerposition\v!yes
>
> \edef\@@currentlayerrepeat{\csname\??ll\currentlayer\c!repeat\endcsname}%
>     % \edef\@@currentlayerstate
> {\csname\??ll\currentlayer\c!state\endcsname}% actually this is already set
>       \ifx\@@currentlayerrepeat\v!yes
>         \!!donecfalse
>       \else\ifx\@@currentlayerstate\v!repeat
>         \!!donecfalse
>       \fi\fi
>     \fi
>
> MkII expects position ≠ yes while MkIV continues only when position = yes
> what's wrong, you can add \unless before the \ifx and the layer mechanism
> works.
>
>     \unless\ifx\@@currentlayerposition\v!yes
>
> \edef\@@currentlayerrepeat{\csname\??ll\currentlayer\c!repeat\endcsname}%
>     % \edef\@@currentlayerstate
> {\csname\??ll\currentlayer\c!state\endcsname}% actually this is already set
>       \ifx\@@currentlayerrepeat\v!yes
>         \!!donecfalse
>       \else\ifx\@@currentlayerstate\v!repeat
>         \!!donecfalse
>       \fi\fi
>     \fi
>   \fi
>
>

Thanks a lot, works great.

Regards,
Derek

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