Dear List,

I have done an little example with a \blackrule:

\setuppapersize[A8,landscape]
\setuplayout[leftmargin=2.5cm,
             leftmargindistance=0.2cm,
             backspace=2.9cm,
             width=4cm]
\starttext
\margintext{\blackrule[color=black, height=0.05ex, 
width=1cm]\\Me}\blackrule[color=black, height=0.05ex, width=4cm]
\startformula
a^n + b^n = c^n.
\stopformula
\stoptext

My Question is , where to put margintext, with \dontleavethemode, with 
blackrule, because if I put it after \starttext:
\margintext{\blackrule\\{Me}}\dontleavehmode\blackrule
Before :
\margintext{\blackrule[color=black, height=0.05ex, 
width=1cm]\\Me}\blackrule[color=black, height=0.05ex, width=4cm] there is no 
pdf after compiling.

I get:
Command Line:   context.exe --synctex=-1 "pablo.tex"
Startup Folder: 
C:\Users\Hermann\Downloads\context-mswin\tex\texmf-context\tex\context\test\mkiv


resolvers       | formats | executing runner 'run luametatex format': 
luametatex --jobname="./pablo.tex" --socket --shell-escape 
--fmt=C:/Users/Hermann/Downloads/context-mswin/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt
 
--lua=C:/Users/Hermann/Downloads/context-mswin/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui
  --c:currentrun=1 --c:fulljobname="./pablo.tex" --c:input="./pablo.tex" 
--c:kindofrun=1 --c:maxnofruns=9 --c:synctex="-1" 
--c:texmfbinpath="C:/Users/Hermann/Downloads/context-mswin/tex/texmf-mswin/bin"
system          >
system          > ConTeXt  ver: 2023.09.03 19:03 LMTX  fmt: 2023.9.4  int: 
english/english
system          >
system          > 'cont-new.mkxl' loaded
open source     > level 1, order 1, name 
'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl'
system          > beware: some patches loaded from cont-new.mkiv
close source    > level 1, order 1, name 
'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl'
system          > files > jobname './pablo', input './pablo.tex', result 
'./pablo'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
system          > synctex functionality is enabled, expect 5-10 pct runtime 
overhead!
open source     > level 1, order 2, name './pablo.tex'
modules         > using user prefixed file 's-layout-show'
modules         > 's-layout-show' is loaded
open source     > level 2, order 3, name 
'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/modules/mkxl/s-layout-show.mkxl'
loading         > ConTeXt Page Macros / Runtime Macros
resolvers       > lua > loading file 
'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/base/mkiv/page-run.lua'
 succeeded
close source    > level 2, order 3, name 
'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/modules/mkxl/s-layout-show.mkxl'
fonts           > beware: no fonts are loaded yet, using 'lm mono' in box
pack quality    > underfull hbox at line 7 in file './pablo.tex':  (badness 
1490)
pack quality    > underfull hbox at line 7 in file './pablo.tex': Me (badness 
1448)
tex error       > tex error on line 7 in file ./pablo.tex: Undefined control 
sequence

<line 3.7>
    \margintext{\blackrule\\{Me}}\dontleavethemode
    \blackrule

1     \setuppapersize[A8,landscape]
2     \setuplayout[leftmargin=2.5cm,
3                  leftmargindistance=0.5cm,
4                  backspace=2.9cm,
5                  width=4cm]
6     \showframe
7 >>  \margintext{\blackrule\\{Me}}\dontleavethemode\blackrule
8     margintext{\blackrule[color=black, height=0.05ex, 
width=1cm]\\Me}\blackrule[color=black, height=0.05ex, width=4cm]
9     \starttext
10     \startformula
11     a^n + b^n = c^n.
12     \stopformula
13     \stoptext
The control sequence at the end of the top line of your error message was never
\def'ed. You can just continue as I'll forget about whatever was undefined.
mtx-context     | fatal error: return code: 1


_____________________________________________________________________

ConTeXt Compilation Report (Pages: 0)

Errors: 0   Warnings: 0   Bad Boxes: 0

Thanks
Uschi


Attachment: blackrule1.pdf
Description: blackrule1.pdf

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