ntg-context September 2021

ntg-context@ntg.nl

39 participants
99 discussions

no looseness in LMTX?
by Henning Hraban Ramm 07 Sep '21

07 Sep '21

In my magazine and book projects, I sometimes fix pagebreaking by stretching paragraphs with \looseness=1 Unfortunately this works _in my project_ only with MkIV, i.e. \looseness has no effect with LMTX. I tried different examples (e.g. the attached file) and can’t reproduce the problem, there MkIV and LMTX always behave the same. So it must be something in my settings. What could cause the difference? I tried English and German and different settings of alignment and tolerance. Might it be font dependent? Hraban

3 5

Equation alignment
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, The following example of equation alignment copied from An Excursion is not reproducible under my context 2021.03.05 shipped with texlive 2021: \starttext \startformula \eqalign{ ax^2+bx+c &= 0 \cr x &= \frac{-b \pm \sqrt{b^2-4ac}}{2a} \cr } \stopformula \stoptext Both ampersands are rendered literally. Does anyone know how to properly typeset aligned equations? Thanks! Sylvain

2 1

features of fallback font
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, I'm using the chinese simsun font that has no builtin SerifBold. I'm trying to define a fakebold feature for it, but the following code does not work: \definefontfeature[fakebold][effect={width=0.3, delta=0}] \definefontfallback [sunfallback] [name:simsun] [cjkunifiedideographs] \definefontfallback [sunbffallback] [name:simsun] [cjkunifiedideographs][features=fakebold] \definefontsynonym [Serif] [modern] [fallbacks=sunfallback] \definefontsynonym [SerifBold] [modern] [fallbacks=sunbffallback] \starttext 人 foo \bf 人 bar % bar is bold, the second 人 is not \stoptext Does anyone know how to define features for fallback font? Thanks! Best, Sylvain

2 1

Re: [NTG-context] Remove vertical space around typing
by Wolfgang Schuster 07 Sep '21

07 Sep '21

Sylvain Hubert schrieb am 07.09.2021 um 13:38: > Thanks Wolfgang, this solves my problem. > > But now I'm wondering why \starttyping[before=,after=] cannot do the same job? Works here. \starttext Remove space below \starttyping[before=,after=] some code \stoptyping \stoptext Wolfgang

1 0

Remove vertical space around typing
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, How should we remove the vertical space above and below the following typing? \starttext Remove space below \starttyping some code \stoptyping \stoptext Thanks! Best, Sylvain

2 1

margin of inner item group
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, Does anyone know how to set the margin of an inner item group? The natural way does not seem to work: \showframe \starttext \startitemize[margin=5em] \item 1 \startitemize[margin=10em] \item 1 \item 2 \item 3 \stopitemize \item 2 \item 3 \stopitemize \stoptext In the doc above, only the outer item group has a margin. Any help will be appreciated. Best, Sylvain

2 2

itemize problems
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, Here's a collection of four problems about item groups that I've just encountered. 1. 'n' and 'packed' not playing well with other options. This works: \defineitemgroup[myitems][itemize][margin=2em,before=before] \setupmyitems[n,packed] \starttext text \startmyitems \item 1 \item 2 \stopmyitems \stoptext This does not: \defineitemgroup[myitems][itemize][margin=2em,before=before,n,packed] This does not either: \defineitemgroup[myitems][itemize] \setupmyitems[n,packed,margin=2em,before=before] Is there a rule for this glitch which makes it worth memorizing, or is this just a bug? 2. 'before' not working in nested item groups. \starttext \startitemize[before=before1] \item 1 \startitemize[before=before2] \item 2 \stopitemize \stopitemize \stoptext Both before1 and before2 should appear, but only before1 is shown. 3. How to wrap the line under the bulletin or number? To be more precise, the current wrapping behavior of, say, "\item 0 1 2 3 4 5 6 7 8 9" is: * 0 1 2 3 4 5 6 7 8 9 How can we remove the indentation of the second line and make it like * 0 1 2 3 4 5 6 7 8 9 4. How to put the items on the same line? That is, for "\item 0 \item 1 \item 2", I would like it to be like * 0 * 1 * 2 instead of * 0 * 1 * 2 My context version: 2021.03.05 19:11, texlive. Any help with any of the problems above would be greatly appreciated. Best, Sylvain

2 5

error: (nodes): fuzzy token cleanup in whatsit node ...
by Sylvain Hubert 07 Sep '21

07 Sep '21

% context version: 2021.03.05 19:11 % This seems to be a bug of a very subtle layout problem. % Inserting or removing anything will likely to suppress the bug \defineitemgroup[choice][itemize] \setupchoice[packed,columns,one] \setupchoice[before={\blank[medium]}] \starttext .\blank[32*big] \startitemize \item 0 \startchoice[text] \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \blank[6*big] \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \blank[6*big] \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \item 0 \startchoice \item 0 \item 0 \item 0 \item 0 \stopchoice \stopitemize \stoptext % ! error: (nodes): fuzzy token cleanup in whatsit node with type whatsit and subtype 29mtx-context | fatal error: return code: 256

1 0

\usemodule[chinese] not found
by Sylvain Hubert 07 Sep '21

07 Sep '21

Dear List, I'm trying to typeset an item group (itemize) with chinese numbering. It is suggested in multiple older documentations and answers that \startitemize[c] should be used, for which \usemodule[chinese] is required. But I can no longer find the 'chinese' module neither in texlive, in lmtx, nor on the website. Has this module been removed or replaced by something else? Thanks! Best, Sylvain

2 2

cld, postponing and images
by Henning Hraban Ramm 06 Sep '21

06 Sep '21

I think I tangled myself... - I’ve a macro defined in Lua that uses fullpagemakeup and \setlayer to place an image on an empty page. - This macro is called from within a postponing environment. - I check figures.current().status.fullname if the image is found ... - and then read xsize and ysize from figures.current().status.private - I there is no image placed before the postponed ones, figures.current() is nil – If I place one, figures.current() is always the last “normal” one, never that from my macro call. – If I call context.getfiguredimensions({imagename}) within the macro where I calculate the size, and again before context.externalfigure(), then the images are found and have the right size according to figures.currents(), but... - if I didn’t place the same image before anywhere, the previous image is used, and if there was none, the place just stays empty (no dummy box). I don’t know how to resolve this, spent already the whole day to understand the problem this far. At the moment my workaround is to place all used images somewhere outside of the visible page. Hraban

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ntg-context September 2021