* \emptylines non-functional
@ 2015-09-08 20:49 Rik
2015-09-08 21:52 ` Hans Hagen
0 siblings, 1 reply; 6+ messages in thread
From: Rik @ 2015-09-08 20:49 UTC (permalink / raw)
To: NTG ConTeXt
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\emptylines is not producing empty lines. Here is the example from the
wiki <http://wiki.contextgarden.net/Command/emptylines>:
\setuppapersize[A5]
\startcolumns[n=3]
With non-empty lines\crlf
asdf\crlf
asdf\crlf
asdf\crlf
asdf
\column
With\tex{emptylines[2]}
\emptylines[2]
asdf\crlf
asdf
\column
With\tex{blank[2*big]}
\blank[2*big]
asdf\crlf
asdf
\stopcolumns
and here is the output using the current MKIV beta:
--
Rik
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* Re: \emptylines non-functional
2015-09-08 20:49 \emptylines non-functional Rik
@ 2015-09-08 21:52 ` Hans Hagen
2015-09-09 0:17 ` Rik Kabel
0 siblings, 1 reply; 6+ messages in thread
From: Hans Hagen @ 2015-09-08 21:52 UTC (permalink / raw)
To: ntg-context
On 9/8/2015 10:49 PM, Rik wrote:
> \setuppapersize[A5]
> \startcolumns[n=3]
> With non-empty lines\crlf
> asdf\crlf
> asdf\crlf
> asdf\crlf
> asdf
> \column
> With\tex{emptylines[2]}
> \emptylines[2]
> asdf\crlf
> asdf
> \column
> With\tex{blank[2*big]}
> \blank[2*big]
> asdf\crlf
> asdf
> \stopcolumns
you can experiment with this in cont-new.mkiv:
\unprotect
\def\spac_lines_empty[#1]%
{\endgraf
\begingroup
\forgetall
\scratchcounter\iffirstargument#1\else3\fi\relax
\ifhmode
\crlf
\advance\scratchcounter\minusone
\fi
\dorecurse\scratchcounter{\strut\crlf}%
\endgroup}
\protect
--
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: \emptylines non-functional
2015-09-08 21:52 ` Hans Hagen
@ 2015-09-09 0:17 ` Rik Kabel
2015-09-09 7:57 ` Hans Hagen
0 siblings, 1 reply; 6+ messages in thread
From: Rik Kabel @ 2015-09-09 0:17 UTC (permalink / raw)
To: ntg-context
On 2015-09-08 17:52, Hans Hagen wrote:
> \def\spac_lines_empty[#1]%
> {\endgraf
> \begingroup
> \forgetall
> \scratchcounter\iffirstargument#1\else3\fi\relax
> \ifhmode
> \crlf
> \advance\scratchcounter\minusone
> \fi
> \dorecurse\scratchcounter{\strut\crlf}%
> \endgroup}
Hmmm. I think that the mode test and added \crlf can go, but the
decrement has to be there, at least if my test with and without \crlf
in the example tests that properly, so:
\def\spac_lines_empty[#1]%
{\endgraf
\begingroup
\forgetall
\scratchcounter\iffirstargument#1\else3\fi\relax
\advance\scratchcounter\minusone
\dorecurse\scratchcounter{\strut\crlf}%
\endgroup}
Of course, I did not run through more tests and do not know if anything
else depends on this that should be tested.
--
Rik
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* Re: \emptylines non-functional
2015-09-09 0:17 ` Rik Kabel
@ 2015-09-09 7:57 ` Hans Hagen
2015-09-09 14:19 ` Aditya Mahajan
0 siblings, 1 reply; 6+ messages in thread
From: Hans Hagen @ 2015-09-09 7:57 UTC (permalink / raw)
To: ntg-context
On 9/9/2015 2:17 AM, Rik Kabel wrote:
> On 2015-09-08 17:52, Hans Hagen wrote:
>> \def\spac_lines_empty[#1]%
>> {\endgraf
>> \begingroup
>> \forgetall
>> \scratchcounter\iffirstargument#1\else3\fi\relax
>> \ifhmode
>> \crlf
>> \advance\scratchcounter\minusone
>> \fi
>> \dorecurse\scratchcounter{\strut\crlf}%
>> \endgroup}
> Hmmm. I think that the mode test and added \crlf can go, but the
> decrement has to be there, at least if my test with and without \crlf in
> the example tests that properly, so:
>
> \def\spac_lines_empty[#1]%
> {\endgraf
> \begingroup
> \forgetall
> \scratchcounter\iffirstargument#1\else3\fi\relax
> \advance\scratchcounter\minusone
> \dorecurse\scratchcounter{\strut\crlf}%
> \endgroup}
>
> Of course, I did not run through more tests and do not know if anything
> else depends on this that should be tested.
\def\spac_lines_empty[#1]%
{\endgraf
\begingroup
%\forgetall % debatable
\ifhmode
\crlf % finish the current line
\fi
\dorecurse{\iffirstargument#1\else3\fi}{\strut\crlf}%
\endgroup}
\starttext
x1 \emptylines[0] x1
x2 \emptylines[1] x2
x3 \emptylines[2] x3
x4 \emptylines[3] x4
x1 \par \emptylines[0] x1
x2 \par \emptylines[1] x2
x3 \par \emptylines[2] x3
x4 \par \emptylines[3] x4
\stoptext
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
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: \emptylines non-functional
2015-09-09 7:57 ` Hans Hagen
@ 2015-09-09 14:19 ` Aditya Mahajan
2015-09-09 14:39 ` Wolfgang Schuster
0 siblings, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2015-09-09 14:19 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Wed, 9 Sep 2015, Hans Hagen wrote:
> On 9/9/2015 2:17 AM, Rik Kabel wrote:
>> On 2015-09-08 17:52, Hans Hagen wrote:
>>> \def\spac_lines_empty[#1]%
>>> {\endgraf
>>> \begingroup
>>> \forgetall
>>> \scratchcounter\iffirstargument#1\else3\fi\relax
>>> \ifhmode
>>> \crlf
>>> \advance\scratchcounter\minusone
>>> \fi
>>> \dorecurse\scratchcounter{\strut\crlf}%
>>> \endgroup}
>> Hmmm. I think that the mode test and added \crlf can go, but the
>> decrement has to be there, at least if my test with and without \crlf in
>> the example tests that properly, so:
>>
>> \def\spac_lines_empty[#1]%
>> {\endgraf
>> \begingroup
>> \forgetall
>> \scratchcounter\iffirstargument#1\else3\fi\relax
>> \advance\scratchcounter\minusone
>> \dorecurse\scratchcounter{\strut\crlf}%
>> \endgroup}
>>
>> Of course, I did not run through more tests and do not know if anything
>> else depends on this that should be tested.
>
> \def\spac_lines_empty[#1]%
> {\endgraf
> \begingroup
> %\forgetall % debatable
> \ifhmode
> \crlf % finish the current line
> \fi
> \dorecurse{\iffirstargument#1\else3\fi}{\strut\crlf}%
> \endgroup}
>
>
> \starttext
>
> x1 \emptylines[0] x1
> x2 \emptylines[1] x2
> x3 \emptylines[2] x3
> x4 \emptylines[3] x4
>
> x1 \par \emptylines[0] x1
> x2 \par \emptylines[1] x2
> x3 \par \emptylines[2] x3
> x4 \par \emptylines[3] x4
>
> \stoptext
How does this differ from \blank[2*line] etc? vertical glue?
Aditya
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* Re: \emptylines non-functional
2015-09-09 14:19 ` Aditya Mahajan
@ 2015-09-09 14:39 ` Wolfgang Schuster
0 siblings, 0 replies; 6+ messages in thread
From: Wolfgang Schuster @ 2015-09-09 14:39 UTC (permalink / raw)
To: mailing list for ConTeXt users
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> Aditya Mahajan <mailto:adityam@umich.edu>
> 9. September 2015 16:19
> On Wed, 9 Sep 2015, Hans Hagen wrote:
>
>
> How does this differ from \blank[2*line] etc? vertical glue?
1. When the empty lines are inserted at a line break they are kept with
\emptylines but when you use \blank the glue disappears at the begin of
the page.
2. When you use \blank to insert empty lines before (or after) another
environment which uses \blank to insert vertical space only the larger
value is used.
Wolfgang
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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://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
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2015-09-08 20:49 \emptylines non-functional Rik
2015-09-08 21:52 ` Hans Hagen
2015-09-09 0:17 ` Rik Kabel
2015-09-09 7:57 ` Hans Hagen
2015-09-09 14:19 ` Aditya Mahajan
2015-09-09 14:39 ` Wolfgang Schuster
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