Re: Vertical space around displayed formulas

[Otared Kavian <otared@gmail.com>]

Hi Nicola,

Indeed there is a recent bug, reported by Mikael Sundqvist a few days ago, and Hans is aware of this. 
Hans said in the next release of ConTeXt beta the issue will be fixed.

Best regards: OK

> On 18 Jan 2017, at 16:00, Nicola <nvitacolonna@gmail.com> wrote:
> 
> Hello,
> has something been changed in the last few months in the vertical
> spacing of displayed formulas, frames or other environments?
> 
> I am re-typesetting some presentations using the latest beta and the
> content of slides (especially those containing formulas) now tends to
> flow to the next page, while before it used to fit in one page.
> 
> I paste below an example, if that helps. I am using a system font,
> so you may not be able to reproduce my problem without it.
> 
> Is there something I should change in my documents?
> 
> Nicola
> 
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> \setuppapersize[S6][S6]
> 
> \setuplayout[
>  width=middle,
>  height=middle,
>  topspace=2mm,
>  header=0mm,
>  headerdistance=0mm,
>  location=singlesided,
>  backspace=5mm,
>  margin=0mm,
>  edgedistance=0mm,
>  margindistance=0mm
> ]
> 
> \setupalign[nothyphenated,flushleft]
> 
> % Ocean Sunset (color.adobe.com)
> \definecolor[colorone]    [r=0.251, g=0.349, b=0.322]
> \definecolor[colortwo]    [r=0.612, g=0.608, b=0.478]
> \definecolor[colorthree]  [r=1.0,   g=0.827, b=0.576]
> \definecolor[colorfour]   [r=1.0,   g=0.592, b=0.310]
> \definecolor[colorfive]   [r=0.960, g=0.310, b=0.161] %t=0.8 , a=multiply]
> \definecolor[nearlywhite] [s=0.996]
> 
> % Fonts
> \definefontfamily[slidesfont][serif][Avenir] [
>  tf=name:Avenir Light,
>  it=name:Avenir Light Oblique,
>  bf=name:Avenir Heavy,
>  bi=name:Avenir Heavy Oblique
> ]
> \definefontfamily[slidesfont][sans][Avenir] [
>  tf=name:Avenir Light,
>  it=name:Avenir Light Oblique,
>  bf=name:Avenir Heavy,
>  bi=name:Avenir Heavy Oblique
> ]
> \definefallbackfamily[slidesfont][mono][Xits][range={"0222A,"02229,"02205}] % ∪, ∩, ∅
> \definefontfamily[slidesfont][mono][Latin Modern Mono Light][features=none]
> \definefallbackfamily[slidesfont][math][Xits][range={"025C7,"27D5}] % WHITE DIAMOND, left-join, WHITE RIGHT-POINTING TRIANGLE
> \definefontfamily[slidesfont][math][TeX Gyre Pagella Math]
> 
> \setupbodyfont[slidesfont]
> 
> % Foreground/background color
> \setupcolors[textcolor=colorone]
> \setupbackgrounds[page][background=color, backgroundcolor=nearlywhite]
> 
> % Header
> \startreusableMPgraphic{header:background}
>  fill OverlayBox
>    leftenlarged BackSpace
>    rightenlarged CutSpace
>    topenlarged TopSpace
>    withcolor OverlayColor ;
>  setbounds currentpicture to OverlayBox
>    enlarged max(BackSpace,CutSpace) ;
> \stopreusableMPgraphic
> 
> \defineoverlay[header:background][\reuseMPgraphic{header:background}]
> 
> \define[2]\MySlide{\framed[
>  frame=off,
>  background=header:background,
>  backgroundcolor=colorfive,
>  width=\textwidth,
>  align=flushleft
> ]{#2}}
> 
> \definehead[slide][subject]
> \setuphead[slide][
>  style=\ssb,
>  command=\MySlide,
>  color=nearlywhite,
>  insidesection=\doifnot{\structureuservariable{align}}{top}\vfill,
>  aftersection=\doifnot{\structureuservariable{align}}{top}\vfill,
>  page=yes,
> ]
> 
> % Footer
> \setuppagenumbering[location=]
> \setupfooter[style=small, color=colortwo]
> \setupfootertexts[][\userpagenumber/\lastuserpage]
> 
> % Lists
> \startuseMPgraphic{itemize:main}
>  save p; path p;
>  p := fullcircle scaled 1.5ExHeight;
>  fill p withcolor \MPcolor{colorfive};
> \stopuseMPgraphic
> 
> \startuseMPgraphic{itemize:nested}
>  save p; path p;
>  p := ((0,-0.5)--(0,0.5)--(0.866,0)--cycle) scaled 1.5ExHeight;
>  fill p withcolor \MPcolor{colorfive};
> \stopuseMPgraphic
> 
> \definesymbol[itemize:main][\useMPgraphic{itemize:main}]
> \definesymbol[itemize:nested][\useMPgraphic{itemize:nested}]
> 
> \setupitemize[1][symbol=itemize:main]
> \setupitemize[2][symbol=itemize:nested, width=1.5ex]
> \setupitemize[2][nowhite]
> 
> \setupitemize[
>  headstyle=\ssa,
>  headcolor=colorfive,
>  afterhead={\blank[none]},
>  inbetween={\blank[big]},
>  leftmargin=1em,
>  rightmargin=1em,
> ]
> 
> % Tables
> \setuptables[rulethickness=0.06em]
> 
> \setupinteraction[state=start,  % make hyperlinks active, etc.
>  style=\tf,
>  color=colortwo,
>  title={What Do You Mean, “Null”?},
>  author={Nicola Vitacolonna},
>  keyword={null}]
> 
> % \usebtxdataset[main.bib]
> % \usebtxdefinitions[apa]
> \setupcombinations[distance=3cm,location=top]
> \defineframedcontent[tablebackground][frame=off,background=color,backgroundcolor=colorthree]
> \setuptables[rulethickness=0.06em,frame=tablebackground]
> 
> \setupalign[nothyphenated,flushleft]
> 
> \defineparagraphs[twocol][n=2]
> \setupparagraphs[twocol][1][width=.7\textwidth]
> 
> 
> \starttext
> \switchtobodyfont[17.3pt]
> 
> \startslide[title={Which Nulls?}][align=top]
>  All of the above may be abstracted into three categories:
> 
>  \startitemize[packed]
>    \item
>    Exists, but unknown ({\bf missing value})
>    \startformula
>      \exists x\,\hbox{Yalta}(\hbox{Winston},x,\hbox{Churchill})
>    \stopformula
>    \item
>    Nonexistent, not applicable ({\bf inapplicable null})
>    \startformula
>      \neg\exists x\,\hbox{Yalta}(\hbox{Winston},x,\hbox{Churchill}) \land
>      \hbox{Yalta}_{-2}(\hbox{Winston},\hbox{Churchill})
>    \stopformula
>    \item
>    Not known to exist ({\bf no-information null})
>    \startformula
>      \hbox{Yalta}_{-2}(\hbox{Winston},\hbox{Churchill})
>    \stopformula
>  \stopitemize
> 
>  \midaligned{\tfxx
>  \starttable[|l|l|l|]
>    \NC \THREE Yalta \cite[Atzeni:1993] \NC \AR
>    \NC FirstName \NC MiddleName \NC LastName \NC \AR
>    \HL
>    \NC Franklin \NC Delano \NC Roosevelt \NC \AR
>    \NC Winston \NC  UNK \NC Churchill \NC \AR
>    \NC Charles \NC  NA  \NC  DeGaulle \NC \AR
>    \NC Joseph \NC  NI  \NC  Stalin \NC \AR
>  \stoptable}
> \stopslide
> \stoptext
> 
> ___________________________________________________________________________________
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> 
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
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