Hi,
Thanks for your help but ...

Running `ConTeXt' on `vladimir' with
``PATH=/home/aragorn/context/tex/texmf-linux-64/bin:$PATH context vladimir''
resolvers       | trees | analyzing 'home:texmf'
mtx-context     | warning: no (local) file './vladimir', proceeding
mtx-context     | run 1: luatex
--fmt="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en"
--jobname="vladimir"
--lua="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui"
--no-parse-first-line --c:currentrun=1 --c:fulljobname="./vladimir"
--c:input="./vladimir" --c:kindofrun=1 --c:maxnofruns=9 "cont-yes.mkiv"

This is LuaTeX, Version 1.08.0 (TeX Live 2018)
 system commands enabled.

resolvers       > trees > analyzing 'home:texmf'
open source     > level 1, order 1, name
'/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv'
system          >
system          > ConTeXt  ver: 2018.08.20 17:47 MKIV beta  fmt: 2018.8.20
int: english/english
system          >
system          > 'cont-new.mkiv' loaded
open source     > level 2, order 2, name
'/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
system          > beware: some patches loaded from cont-new.mkiv
close source    > level 2, order 2, name
'/home/aragorn/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
system          > files > jobname 'vladimir', input './vladimir', result
'vladimir'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
open source     > level 2, order 3, name '/home/aragorn/vladimir.tex'
fonts           > preloading latin modern fonts (second stage)
fonts           > 'fallback modern-designsize rm 12pt' is loaded
structure       > sectioning > chapter @ level 2 : 0.1 -> First chapter
metapost        > initializing instance 'metafun:1' using format 'metafun'
and method 'default'
metapost        > loading 'metafun' as
'/home/aragorn/context/tex/texmf-context/metapost/context/base/mpiv/metafun.mpiv'
using method 'default'
metapost        > initializing number mode 'scaled'

lua error       > lua error on line 10 in file /home/aragorn/vladimir.tex:

...ext/tex/texmf-context/tex/context/base/mkiv/node-nut.lua:190: attempt to
call a nil value (global 'getid')
stack traceback:
    ...ext/tex/texmf-context/tex/context/base/mkiv/node-nut.lua:190: in
upvalue 'getexpansion'
    ...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:343: in
function <...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:338>
    ...ext/tex/texmf-context/tex/context/base/mkiv/font-mps.lua:437: in
local 'boxtomp'
    ...ext/tex/texmf-context/tex/context/base/mkiv/mlib-pps.lua:1894: in
function <...ext/tex/texmf-context/tex/context/base/mkiv/mlib-pps.lua:1891>
    (...tail calls...)

 1     \startusableMPgraphic{NumberHead}
 2          draw outlinetext.f
 3              ("\bf\namedheadnumber{chapter}")
 4              (withcolor "lightgray")
 5               ysized 50pt ;
 6     \stopusableMPgraphic
 7
 8     \unexpanded\def\processMPheadnumber#1%
 9       {\useMPgraphic{NumberHead}}
10 >>
11     \setuphead
12        [chapter]
13        [command=\HeadTitle,
14         headstyle=\ss,
15         numbercommand=\processMPheadnumber,
16        ]
17
18
19     \unexpanded\def\HeadTitle#1#2%
20       {\framed


?
Fabrice

Le jeu. 23 août 2018 à 08:06, Vladimir Lomov <lomov.vl@yandex.ru> a écrit :

> Hello,
> ** Fabrice Couvreur [2018-08-22 13:05:31 +0200]:
>
> > Hello,
> > Sorry to insist, but could anyone help me understand the problem I'm
> having
> > in using Emacs with standalone context ?
>
> Check environment variables both in terminal and Emacs.
>
> > The following file compiles perfectly from a terminal :
> >
> > /home/aragorn/texlive/2018/bin/x86_64-linux/context  test.tex
> >
> > /home/aragorn/context/tex/texmf-linux-64/bin/context  test.tex (latest
> beta)
> >
> > With Emacs, it compiles perfectly if you use the 2018 texlive context
> > binary.
> >
> > If I want to use the latest beta context binary, I need to add this to my
> > ~/.emacs file :
> >
> > (setenv "PATH" "/home/aragorn/context/tex/texmf-linux-64/bin/:$PATH" t)
>
> Instead of this I use this (in my ~/.emacs):
>
> (eval-after-load "context"
>   '(setq TeX-command-list
>      (cons '("ConTeXt"
> "PATH=/usr/local/opt/context/tex/texmf-linux-64/bin:$PATH context %s"
>        TeX-run-command nil t :help "Run context (MarkIV)")
> TeX-command-list))
> )
>
> > And there, I encounter a compilation problem :
>
> and I don't see any errors (note, that in my case the "target" in
> "ConTeXt", not "ConTeXt Full").
>
> > Running `ConTeXt Full' on `pouf' with ``context --purgeall --nonstop
> > pouf.tex''resolvers       | trees | analyzing 'home:texmf'
> > mtx-context     | run 1: luatex
> >
> --fmt="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en"
> > --interaction="nonstopmode" --jobname="pouf"
> >
> --lua="/home/aragorn/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui"
> > --no-parse-first-line --c:currentrun=1 --c:fulljobname="./pouf.tex"
> > --c:input="./pouf.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:nonstopmode
> > --c:purgeall "cont-yes.mkiv"
> [...]
>
> ---
> WBR, Vladimir Lomov
>
> --
> Old timer, n.:
>         One who remembers when charity was a virtue and not an
> organization.
>
> ___________________________________________________________________________________
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> the Wiki!
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