[layers] unsolicited “0” after setting background

[layers] unsolicited “0” after setting background

[Philipp Gesang]

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Hi again,

when setting a background layer combined with an early font setup
there appears a “0” (ascii 0x30) right after “\starttext”:

·································································

\setupbodyfont[sans] %%% <-- comment this out and the “0” vanishes
\definelayer[bg][x=0,y=0,width=\paperwidth,height=\paperheight] %%% <-- or this

\setlayer[bg]{%
  \startMPcode
    draw fullcircle scaled (.5*PaperWidth) withpen pencircle xscaled 7 withcolor \MPcolor{gray:7};
  \stopMPcode
}
\setupbackgrounds[paper][background=bg]

\starttext
\input dawkins
\stoptext

·································································

Removing either the “\definelayer” or “\setupbodyfont” statement
makes it go away.

What have I come across this time?

Philipp

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Re: [layers] unsolicited “0” after setting background

[Wolfgang Schuster]

Am 10.06.2011 um 12:07 schrieb Philipp Gesang:

> Hi again,
> 
> when setting a background layer combined with an early font setup
> there appears a “0” (ascii 0x30) right after “\starttext”:
> 
> ·································································
> 
> \setupbodyfont[sans] %%% <-- comment this out and the “0” vanishes
> \definelayer[bg][x=0,y=0,width=\paperwidth,height=\paperheight] %%% <-- or this

“x” and “y” expect a dimension but you assign a number, remove the setting
(because both are set to 0pt by default) or change the values to 0pt.

Wolfgang

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___________________________________________________________________________________

Re: [layers] unsolicited “0” after setting background

[Philipp Gesang]

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On 2011-06-10 <12:12:15>, Wolfgang Schuster wrote:
> 
> Am 10.06.2011 um 12:07 schrieb Philipp Gesang:
> 
> > Hi again,
> > 
> > when setting a background layer combined with an early font setup
> > there appears a “0” (ascii 0x30) right after “\starttext”:
> > 
> > ·································································
> > 
> > \setupbodyfont[sans] %%% <-- comment this out and the “0” vanishes
> > \definelayer[bg][x=0,y=0,width=\paperwidth,height=\paperheight] %%% <-- or this
> 
> “x” and “y” expect a dimension but you assign a number, remove the setting
> (because both are set to 0pt by default) or change the values to 0pt.

Thanks, I found this out by experimenting …

Best regards
Philipp

> 
> Wolfgang
> 
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________