\startitemize[columns] once again...

\startitemize[columns] once again...

[Marcin Borkowski]

This minimal example behaves in a strange way:

\starttext
  Some text
  \startitemize[columns,two,joinedup]
  \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
  \item xyz% $\frac{x^5-3}{x^3+x-2}$.
  \stopitemize
\stoptext

If we remove the percentage signs in the items, an additional vertical
skip appears.  Is it a feature or a bug?

(Also, I encountered a *very* weird error where in some cases a whole
page disappears in the pdf; I could not distil it into a minimal
example, but I'll try and I'll post it here.  I have a very vague
suspicion that \startitemize[columns] is again the culprit.)

TIA,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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Re: \startitemize[columns] once again...

[Marcin Borkowski]

Dnia 2012-11-10, o godz. 03:23:11
Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):

> This minimal example behaves in a strange way:
> 
> \starttext
>   Some text
>   \startitemize[columns,two,joinedup]
>   \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
>   \item xyz% $\frac{x^5-3}{x^3+x-2}$.
>   \stopitemize
> \stoptext
> 
> If we remove the percentage signs in the items, an additional vertical
> skip appears.  Is it a feature or a bug?

Hi, could anybody look into it?  I tried also \smash-ing the formulae -
with no luck.

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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Re: \startitemize[columns] once again...

[Philipp Gesang]

[-- Attachment #1.1: Type: text/plain, Size: 2748 bytes --]

···<date: 2012-11-14, Wednesday>···<from: Marcin Borkowski>···

> Dnia 2012-11-10, o godz. 03:23:11
> Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):
> 
> > This minimal example behaves in a strange way:
> > 
> > \starttext
> >   Some text
> >   \startitemize[columns,two,joinedup]
> >   \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
> >   \item xyz% $\frac{x^5-3}{x^3+x-2}$.
> >   \stopitemize
> > \stoptext
> > 
> > If we remove the percentage signs in the items, an additional vertical
> > skip appears.  Is it a feature or a bug?
> 
> Hi, could anybody look into it?  I tried also \smash-ing the formulae -
> with no luck.

Hi Marcin, appears like the vertical spacing is extended when
content of the item exceeds the line height. The behavior is not
restricted to math mode, though I can’t say if there is an
official way to prevent or customize it. If you are desperate to
get around it, maybe put the content in a box of fixed height.

······ demo ·····················································
\defineframed[crampy][height=\ht\strutbox,frame=off]
\starttext
  before
  \thinrule
  \startitemize[columns,two,joinedup]
  \item abc \mathematics{\frac{x^2-x+3}{x^2+x-3}};
  \item xyz \mathematics{\frac{x^5-3}{x^3+x-2}}.
  \stopitemize
  \thinrule
  after

  before
  \thinrule
  \startitemize[columns,two,joinedup]
  \item abc \crampy[frame=on]{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
  \item xyz \crampy[frame=on]{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
  \stopitemize
  \thinrule
  after

  before
  \thinrule
  \startitemize[columns,two,joinedup]
  \item abc \crampy{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
  \item xyz \crampy{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
  \stopitemize
  \thinrule
  after
\stoptext
·································································

Hth, Philipp

> 
> Best,
> 
> -- 
> Marcin Borkowski
> http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
> Adam Mickiewicz University
> ___________________________________________________________________________________
> 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://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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Re: \startitemize[columns] once again...

[Herbert Voss]

Am 14.11.2012 11:38, schrieb Philipp Gesang:
> ···<date: 2012-11-14, Wednesday>···<from: Marcin Borkowski>···
>
>> Dnia 2012-11-10, o godz. 03:23:11
>> Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):
>>
>>> This minimal example behaves in a strange way:
>>>
>>> \starttext
>>>    Some text
>>>    \startitemize[columns,two,joinedup]
>>>    \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
>>>    \item xyz% $\frac{x^5-3}{x^3+x-2}$.
>>>    \stopitemize
>>> \stoptext
>>>
>>> If we remove the percentage signs in the items, an additional vertical
>>> skip appears.  Is it a feature or a bug?
>>
>> Hi, could anybody look into it?  I tried also \smash-ing the formulae -
>> with no luck.
>
> Hi Marcin, appears like the vertical spacing is extended when
> content of the item exceeds the line height. The behavior is not
> restricted to math mode, though I can’t say if there is an
> official way to prevent or customize it. If you are desperate to
> get around it, maybe put the content in a box of fixed height.

with the "old" context of current TeXLive it works without
adding additional space.

Herbert
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Re: \startitemize[columns] once again...

[Marcin Borkowski]

Dnia 2012-11-14, o godz. 11:38:48
Philipp Gesang <Philipp.Gesang@alumni.uni-heidelberg.de> napisał(a):

> ···<date: 2012-11-14, Wednesday>···<from: Marcin Borkowski>···
> 
> > Dnia 2012-11-10, o godz. 03:23:11
> > Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):
> > 
> > > This minimal example behaves in a strange way:
> > > 
> > > \starttext
> > >   Some text
> > >   \startitemize[columns,two,joinedup]
> > >   \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
> > >   \item xyz% $\frac{x^5-3}{x^3+x-2}$.
> > >   \stopitemize
> > > \stoptext
> > > 
> > > If we remove the percentage signs in the items, an additional
> > > vertical skip appears.  Is it a feature or a bug?
> > 
> > Hi, could anybody look into it?  I tried also \smash-ing the
> > formulae - with no luck.
> 
> Hi Marcin, appears like the vertical spacing is extended when
> content of the item exceeds the line height. The behavior is not
> restricted to math mode, though I can’t say if there is an
> official way to prevent or customize it. If you are desperate to
> get around it, maybe put the content in a box of fixed height.
> 
> ······ demo ·····················································
> \defineframed[crampy][height=\ht\strutbox,frame=off]
> \starttext
>   before
>   \thinrule
>   \startitemize[columns,two,joinedup]
>   \item abc \mathematics{\frac{x^2-x+3}{x^2+x-3}};
>   \item xyz \mathematics{\frac{x^5-3}{x^3+x-2}}.
>   \stopitemize
>   \thinrule
>   after
> 
>   before
>   \thinrule
>   \startitemize[columns,two,joinedup]
>   \item abc \crampy[frame=on]{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
>   \item xyz \crampy[frame=on]{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
>   \stopitemize
>   \thinrule
>   after
> 
>   before
>   \thinrule
>   \startitemize[columns,two,joinedup]
>   \item abc \crampy{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
>   \item xyz \crampy{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
>   \stopitemize
>   \thinrule
>   after
> \stoptext
> ·································································
> 
> Hth, Philipp

Yes it does, thanks!  (It helps in some other strange cases, too.)
What is especially interesting, is that \strut\smash{...} didn't help.

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Adam Mickiewicz University
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___________________________________________________________________________________

Re: \startitemize[columns] once again...

[Otared Kavian]

Hi Marcin, 

I think there is a small bug with itemize and columns: in another thread (with Subject « vertical alignment problem in column items» ) Dalyoung reported also an issue, which is related to what you have observed.
Please see my message in a reply to Dalyoung's message, where I reported some testings but I am not sure when this bug appeared (in mkii, the behaviour is essentially correct).

Best regards: OK

On 16 nov. 2012, at 21:00, Marcin Borkowski <mbork@wmi.amu.edu.pl> wrote:

> Dnia 2012-11-14, o godz. 11:38:48
> Philipp Gesang <Philipp.Gesang@alumni.uni-heidelberg.de> napisał(a):
> 
>> ···<date: 2012-11-14, Wednesday>···<from: Marcin Borkowski>···
>> 
>>> Dnia 2012-11-10, o godz. 03:23:11
>>> Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):
>>> 
>>>> This minimal example behaves in a strange way:
>>>> 
>>>> \starttext
>>>>  Some text
>>>>  \startitemize[columns,two,joinedup]
>>>>  \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
>>>>  \item xyz% $\frac{x^5-3}{x^3+x-2}$.
>>>>  \stopitemize
>>>> \stoptext
>>>> 
>>>> If we remove the percentage signs in the items, an additional
>>>> vertical skip appears.  Is it a feature or a bug?
>>> 
>>> Hi, could anybody look into it?  I tried also \smash-ing the
>>> formulae - with no luck.
>> 
>> Hi Marcin, appears like the vertical spacing is extended when
>> content of the item exceeds the line height. The behavior is not
>> restricted to math mode, though I can’t say if there is an
>> official way to prevent or customize it. If you are desperate to
>> get around it, maybe put the content in a box of fixed height.
>> 
>> ······ demo ·····················································
>> \defineframed[crampy][height=\ht\strutbox,frame=off]
>> \starttext
>>  before
>>  \thinrule
>>  \startitemize[columns,two,joinedup]
>>  \item abc \mathematics{\frac{x^2-x+3}{x^2+x-3}};
>>  \item xyz \mathematics{\frac{x^5-3}{x^3+x-2}}.
>>  \stopitemize
>>  \thinrule
>>  after
>> 
>>  before
>>  \thinrule
>>  \startitemize[columns,two,joinedup]
>>  \item abc \crampy[frame=on]{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
>>  \item xyz \crampy[frame=on]{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
>>  \stopitemize
>>  \thinrule
>>  after
>> 
>>  before
>>  \thinrule
>>  \startitemize[columns,two,joinedup]
>>  \item abc \crampy{\mathematics{\frac{x^2-x+3}{x^2+x-3}}};
>>  \item xyz \crampy{\mathematics{\frac{x^5-3}{x^3+x-2}}}.
>>  \stopitemize
>>  \thinrule
>>  after
>> \stoptext
>> ·································································
>> 
>> Hth, Philipp
> 
> Yes it does, thanks!  (It helps in some other strange cases, too.)
> What is especially interesting, is that \strut\smash{...} didn't help.
> 
> Best,
> 
> -- 
> Marcin Borkowski
> http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
> Adam Mickiewicz University
> ___________________________________________________________________________________
> 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://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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___________________________________________________________________________________

Re: \startitemize[columns] once again...

[Hans Hagen]

On 11/14/2012 11:16 AM, Marcin Borkowski wrote:
> Dnia 2012-11-10, o godz. 03:23:11
> Marcin Borkowski <mbork@wmi.amu.edu.pl> napisał(a):
>
>> This minimal example behaves in a strange way:
>>
>> \starttext
>>    Some text
>>    \startitemize[columns,two,joinedup]
>>    \item abc% $\frac{x^2-x+3}{x^2+x-3}$;
>>    \item xyz% $\frac{x^5-3}{x^3+x-2}$.
>>    \stopitemize
>> \stoptext
>>
>> If we remove the percentage signs in the items, an additional vertical
>> skip appears.  Is it a feature or a bug?

was a feature ... gridsnapping in action

> Hi, could anybody look into it?  I tried also \smash-ing the formulae -
> with no luck.

the latest version is a bit more tolerant

Hans

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