\emptylines non-functional

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Rik

8 Sep 2015 8 Sep '15

2:49 p.m.

\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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Hans Hagen

8 Sep 8 Sep

3:52 p.m.

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 -----------------------------------------------------------------

Rik Kabel

6:17 p.m.

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

Hans Hagen

9 Sep 9 Sep

1:57 a.m.

On 9/9/2015 2:17 AM, Rik Kabel 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

On 2015-09-08 17:52, Hans Hagen wrote: 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 -----------------------------------------------------------------

Aditya Mahajan

8:19 a.m.

On Wed, 9 Sep 2015, Hans Hagen wrote:

...

On 9/9/2015 2:17 AM, Rik Kabel 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

On 2015-09-08 17:52, Hans Hagen wrote: 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

Wolfgang Schuster

8:39 a.m.

> Aditya Mahajan 
> 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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Aditya Mahajan
Hans Hagen
Rik
Rik Kabel
Wolfgang Schuster