problem with \sym?

problem with \sym?

[Alan Bowen]

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Processing a table of contents with the latest standalone (ConTeXt  ver:
2019.01.28 16:58 MKIV beta  fmt: 2019.2.3) fails with the following message:

luatex warning  > hpack filter: error:
...eXt/tex/texmf-context/tex/context/base/mkiv/typo-dua.lua:422: attempt to
compare number with nil


tex error       > tex error on line 18 in file c_Contents.tex: ?



\strc_itemgroups_make_symbol_box ...mbol \fi \fi }

                                                  \let
\strc_itemgroups_extr...

\strc_itemgroups_insert_item ...s_make_symbol_box


\strc_itemgroups_make_dest...

\strc_itemgroups_start_item ...groups_insert_item

                                                  \dostoptagged
\ifcondition...

<to be read again>

\dotagsetitem

\sym ..._symbol \startitemgroupitem \dotagsetitem

                                                  \s!symbol

l.18 \sym{0.}

            Prolegomena to the Study of Hellenistic Astronomy

This worked with the previous standalone.

Alan

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Re: problem with \sym?

[Wolfgang Schuster]

Alan Bowen schrieb am 03.02.19 um 15:33:
> Processing a table of contents with the latest standalone (ConTeXt 
>  ver: 2019.01.28 16:58 MKIV beta  fmt: 2019.2.3) fails with the 
> following message:
>
> luatex warning  > hpack filter: error: 
> ...eXt/tex/texmf-context/tex/context/base/mkiv/typo-dua.lua:422: 
> attempt to compare number with nil
>
>
> tex error       > tex error on line 18 in file c_Contents.tex: ?
>
>
>
> \strc_itemgroups_make_symbol_box ...mbol \fi \fi }
>
>                                                 \let 
> \strc_itemgroups_extr...
>
> \strc_itemgroups_insert_item ...s_make_symbol_box
>
> \strc_itemgroups_make_dest...
>
> \strc_itemgroups_start_item ...groups_insert_item
>
>                                                 \dostoptagged 
> \ifcondition...
>
> <to be read again>
>
> \dotagsetitem
>
> \sym ..._symbol \startitemgroupitem \dotagsetitem
>
>                                                 \s!symbol
>
> l.18 \sym{0.}
>
>           Prolegomena to the Study of Hellenistic Astronomy
>
>
> This worked with the previous standalone.

Can you provide a example because the error message shows
a problem with itemize while you mention the table of contents.

Wolfgang
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Re: problem with \sym?

[Wolfgang Schuster]

Alan Bowen schrieb am 04.02.19 um 16:37:
> I should have done this originally. Sorry for that.
>
> My table of contents is component of a book-project; it is essentially 
> a custom itemization.
>
> The following:
>
> \defineitemgroup[CList][levels=2]
> \setupCList[1][n, broad, packed, autointro, repeat, continue]
> [itemalign=flushright,
> left={},right={},stopper={.},
> margin=0pc,
> before={\setupinterlinespace[off]
> \setuplines[before={}, after={}]
> \startlines},
> after={\stoplines}]
>
> \setupCList[2][n, broad, packed, joinedup, autointro]
> [itemalign=flushright,
> left={}, right={}, stopper={},
> margin=0pc,
> ]
>
> \def\leaderfill{\leaders\hbox to 1em{\hss. \hss}\hfill}
> \define[1]\pg{{\switchtobodyfont[10pt]\hfill\at[#1]\crlf}}
>
> \startcomponent%\starttext
> \startCList
> \sym{} Illustrations and Tables\pg{Illustrations}
> \sym{} Preface\pg{Preface}
> \sym{} Acknowledgments\pg{Acknowledgments}
> \blank[big, fixed]
> \sym{0.} Prolegomena to the Study of Hellenistic Astronomy
> \emph{Alan C.\ Bowen and Francesca Rochberg}\pg{ACB00}
> \stopCList
> \stopcomponent%\stoptext
>
> Oddly enough, there is no problem if the code is run between 
> \starttext and \stoptext.
>
> This used to work with the previous betas.
\startcomponent expects the name of the current file as argument, e.g.

     \startcomponent [mycomponent]

or

     \startcomponent mycomponent


You can also replace the name of the current file with a asterisk, e.g.

     \startcomponent [*]


In your document \startcomponent takes \startCList as argument which 
leads to the error message.

Wolfgang

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Re: problem with \sym?

[Wolfgang Schuster]

Alan Bowen schrieb am 04.02.19 um 18:50:
> Here is a mwe that gives the same error as the original:
> 
> luatex warning  > hpack filter: error: 
> ...eXt/tex/texmf-context/tex/context/base/mkiv/typo-dua.lua:422: attempt 
> to compare number with nil
> 
> tex error       > tex error on line 22 in file 
> /Users/bowen1/Desktop/TestTeX/test-02.tex: ?
> 
> 
> \setupdirections[bidi=global, method=one]%<——
> 
> \defineitemgroup[CList][levels=2]
> \setupCList[1][n, broad, packed, autointro, repeat, continue]
> [itemalign=flushright,
> left={},right={},stopper={.},
> margin=0pc,
> before={\setupinterlinespace[off]
> \setuplines[before={}, after={}]
> \startlines},
> after={\stoplines}]
> 
> \setupCList[2][n, broad, packed, joinedup, autointro]
> [itemalign=flushright,
> left={}, right={}, stopper={},
> margin=0pc,
> ]
> 
> \startcomponent[*]
> \startCList
> \sym{} Preface
> \sym{0.} Prolegomena %<——line 22
> \stopCList
> \stopcomponent
> 
> The example processes as it should when the first line is commented out.

It works with method two or three for \setupdirections.

Below is a shorter minimal example.

\setupdirections[bidi=global,method=one]

\starttext
\setbox\scratchbox\autodirhbox{xyz}
\stoptext

Wolfgang
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