Hello,
It's ok for me if I compile the Aditya file.
I have another problem with a simple structure. I created the file
MyLayout.tex containing the macro and I want to call this macro in the
dm1.tex file, but it does not work.
Thank you
Fabrice

#########
MyLayout.tex
#########

% macros=mkvi

\startenvironment MyLayout

\setuplayout
   [header=3\lineheight,
    headerdistance=\lineheight]

\setupbackgrounds
  [header]
  [text]
  [
    frame=off,
    bottomframe=on,
    framecolor=darkgray,
    rulethickness=2pt,
  ]

\defineframed[headerframed]
             [
               frame=off, % For visualization set this to on
               height=fit,
               width=fit,
               location=bottom,
               boffset=\lineheight,
             ]

\starttexdefinition MyHeader #where #day #month #year #title #number #time

    \setupheadertexts
      [{\headerframed[align=middle, foregroundstyle=bold,
foregroundcolor=red]
            {#title n\high{o}\,#number}}]

    \setupheadertexts
      [{\headerframed[align=flushleft, foregroundstyle=\ssx]
          {Lycée JANSON DE SAILLY \\ \date[d=#day,m=#month,y=#year]}}]
      [{\headerframed[align=flushright, foregroundstyle=\ssx]
          {#where \\ {#time}}}]

\stoptexdefinition

\stopenvironment

######
dm-1.tex
######

\startcomponent dm-1

  \environment MyLayout

  \MyHeader{Seconde}{17}{08}{2017}{Devoir surveillé}{1}{1h\,30m}

  \input knuth

\stopcomponent

2017-08-18 18:44 GMT+02:00 Otared Kavian <otared@gmail.com>:

> Hi Aditya,
>
> Thanks for having sent the example file: indeed with your file I can
> typeset the example and see the expected result.
> I don’t know what happened when I copied and pasted the example from the
> e-mail…
> I think the command
>         % macros = mkvi
> was not set correctly written at the first line, that is I had a space
> before the percent sign « % ». In fact
>         %macros=mkvi
> or
>         %macros = mkvi
> work as well.
>
> By the way, wouldn’t be more user friendly, and more in the spirit of
> ConTeXt, if we had a command saying
>         \enablemode[mkvi]
> in order to tell ConTeXt that we are using %macros = mkvi ?
>
> Best regards: OK
>
> > On 18 Aug 2017, at 17:54, Aditya Mahajan <adityam@umich.edu> wrote:
> >
> > On Fri, 18 Aug 2017, Otared Kavian wrote:
> >
> >> Hi Aditya,
> >>
> >> I tried to typeset your example, but got an error: whether or not the
> command
> >>      % macros=mkvi
> >> is present on the fist line, then ConTeXt complains saying that
> >>      ! Illegal parameter number in definition of \MyHeader
> >> and stops typesetting pointing to the command \stoptexdefinition.
> >
> > I am attaching the file. It runs fine here with ConTeXt  ver: 2017.08.14
> 23:57.
> >
> > Aditya<frame.tex>___________________________________________
> ________________________________________
> > If your question is of interest to others as well, please add an entry
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> >
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> _______________________
>
> ____________________________________________________________
> _______________________
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>
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