Hi Hans,

with the new beta following mwe produces a bug. Perhaps I'm doing something
wrong.

MWE:

\definefontfamily[mainface][sans][DejaVu Sans]
%or \definefontfamily[mainface][sans][gosmicksans] with the same result
\setupbodyfont[mainface]
\starttext
\input tufte
\stoptext

Error log:
Typesetting /home/ubuntu/workspace/mwe.tex

mtx-context     | run 1: luatex
--fmt="/home/ubuntu/workspace/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en"
--jobname="mwe"
--lua="/home/ubuntu/workspace/context/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont-en.lui"
--no-parse-first-line --c:currentrun=1 --c:fulljobname="./mwe.tex"
--c:input="./mwe.tex" --c:kindofrun=1 --c:maxnofruns=8 "cont-yes.mkiv"
This is LuaTeX, Version beta-0.80.0 (TeX Live 2015/dev) (rev 5195)
 \write18 enabled.

interfaces      > implementor > warning: 'commands.writestatus' is redefined

interfaces      > implementor > error: no actions for
'btxresolvelistreference'
open source     > 1 > 1 >
/home/ubuntu/workspace/context/tex/texmf-context/tex/context/base/cont-yes.mkiv

ConTeXt  ver: 2015.03.26 19:19 MKIV beta  fmt: 2015.3.26  int:
english/english

system          > 'cont-new.mkiv' loaded
open source     > 2 > 2 >
/home/ubuntu/workspace/context/tex/texmf-context/tex/context/base/cont-new.mkiv
close source    > 2 > 2 >
/home/ubuntu/workspace/context/tex/texmf-context/tex/context/base/cont-new.mkiv
system          > files > jobname 'mwe', input './mwe', result 'mwe'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
open source     > 2 > 3 >
/home/ubuntu/workspace/documents/snippets/bug/mwe.tex

tex error       > error on line 179 in file
/home/ubuntu/workspace/documents/snippets/bug/mwe.tex: ! Argument of
\splitoffbase has an extra }

<inserted text>
\par
<to be read again>
}
\rawdoifinsetelse ...def \m_syst_sub_string {,#1,}
                                                  \ifx \m_syst_sub_string
\m...
\addtocommalist #1#2->\rawdoifinsetelse {#1}
                                            #2\resetglobal {\dodoglobal
\ede...
\font_typefaces_define_a ...usetypescriptfile [#4]
                                                  \font_typescripts_use_one
...
l.179 ]

...
l.2 \setupbodyfont
                [mainface]

Thanks for your help.
Christian

2015-03-26 19:24 GMT+01:00 Hans Hagen <pragma@wxs.nl>:

> Hi,
>
> I uploaded a beta (for luatex 0.80) that has some changes in low level
> interfaces. Hopefully there are no side effects but there are they can be
> sorted out fast. I tested the code on projects and manuals so it should not
> be too bad. Depending on how complex your setup up is, there can be a speed
> gain of some 5% compared to previous versions.
>
> Hans
>
>
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