! Missing = inserted for \ifnum.

1 Jan 2014


      Hello,
I discovered ConTeXt gradually, so be indulgent please.
With the following command :
...
[parabole1.pdf][scale=0.8]
I have the following error message :
! Missing = inserted for \ifnum.
system          > tex > error on line 1 in file /home/fab/demo1.tex: 
Missing = inserted for  ...
1 >>  \setuppapersize[A4]
 2     \setuplayout [backspace=0cm,width=middle,
 3     topspace=1cm,height=middle,
 4     location=middle,marking=on]
 5     \setuppagenumbering[location=]
 6     \loadtypescriptfile[mathdesign]
 7     \setupbodyfont[charter]
 8 \setupexternalfigures[location={local,global,default}]
 9 \setupTABLE[r][1,2][height=1.5cm,width=9cm,align={middle,lohi}]
10 \setupTABLE[r][3][height=6cm,width=9cm,align={middle,lohi}]
11     \starttext
<to be read again>
.
\p_scale .-0.
             8
<argument> ...ale \empty \plusthousand \else \ifnum \p_scale
=\zerocount \plusthousand ...
\luaexpr #1s-\directlua {tex.print(tostring(#1
                                              ))}
\grph_scale_apply_scale ... \else #2\fi \fi /1000}
                                                  }
\grph_scale_by_scale ...le_used_x_scale \p_xscale
\grph_scale_apply_scale \m...
...
l.17 \eTABLE
          }
?
! Emergency stop.
system          > tex > error on line 1 in file /home/fab/demo1.tex: 
Emergency stop ...
1 >>  \setuppapersize[A4]
 2     \setuplayout [backspace=0cm,width=middle,
 3     topspace=1cm,height=middle,
 4     location=middle,marking=on]
 5     \setuppagenumbering[location=]
 6     \loadtypescriptfile[mathdesign]
 7     \setupbodyfont[charter]
 8 \setupexternalfigures[location={local,global,default}]
 9 \setupTABLE[r][1,2][height=1.5cm,width=9cm,align={middle,lohi}]
10 \setupTABLE[r][3][height=6cm,width=9cm,align={middle,lohi}]
11     \starttext
<to be read again>
.
\p_scale .-0.
             8
<argument> ...ale \empty \plusthousand \else \ifnum \p_scale
=\zerocount \plusthousand ...
\luaexpr #1s-\directlua {tex.print(tostring(#1
                                              ))}
\grph_scale_apply_scale ... \else #2\fi \fi /1000}
                                                  }
\grph_scale_by_scale ...le_used_x_scale \p_xscale
\grph_scale_apply_scale \m...
...
l.17 \eTABLE
          }
!  ==> Fatal error occurred, no output PDF file produced!
mtx-context     | fatal error: return code: 1
This comes from the option scale = 0.8, because without it, the code 
compiles without problem.
Thank you.

Fabrice

Wolfgang Schuster

Fabrice Couvreur

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