labeltext assignment

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Philipp Gesang

11 Jun 2012 11 Jun '12

2:01 a.m.

Hi all, there appears to be something special about how the key-value list works with \setuplabeltext: ······································································· \setuplabeltext [ foo=bar, %% <- comma not allowed here? % foo=bar %% <- works ] \starttext \labeltext{foo} \stoptext ······································································· Normally the trailing comma causes no trouble, but here it won’t even compile. Best regards Philipp

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Hans Hagen

11 Jun 11 Jun

3:03 a.m.

On 11-6-2012 10:01, Philipp Gesang wrote:

...

Hi all,

there appears to be something special about how the key-value list works with \setuplabeltext:

······································································· \setuplabeltext [ foo=bar, %% <- comma not allowed here? % foo=bar %% <- works ] \starttext \labeltext{foo} \stoptext ·······································································

Normally the trailing comma causes no trouble, but here it won’t even compile.

indeed a slightly different parser is used here ----------------------------------------------------------------- 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 -----------------------------------------------------------------

Philipp Gesang

1:06 p.m.

Hi Hans! ·········

...

On 11-6-2012 10:01, Philipp Gesang wrote:

...
Hi all,

there appears to be something special about how the key-value list works with \setuplabeltext:

······································································· \setuplabeltext [ foo=bar, %% <- comma not allowed here? % foo=bar %% <- works ] \starttext \labeltext{foo} \stoptext ·······································································

Normally the trailing comma causes no trouble, but here it won’t even compile.

indeed a slightly different parser is used here

I’ll watch out for these cases, then. Regards Philipp

...

----------------------------------------------------------------- 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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Wolfgang Schuster

1:27 p.m.

Am 11.06.2012 um 21:06 schrieb Philipp Gesang:

...

Hi Hans!

·········

...
On 11-6-2012 10:01, Philipp Gesang wrote:

...
Hi all,

there appears to be something special about how the key-value list works with \setuplabeltext:

······································································· \setuplabeltext [ foo=bar, %% <- comma not allowed here? % foo=bar %% <- works ] \starttext \labeltext{foo} \stoptext ·······································································

Normally the trailing comma causes no trouble, but here it won’t even compile.

indeed a slightly different parser is used here

I’ll watch out for these cases, then.

\definepalet has a similar problem because it uses also a custom parser. Wolfgang

Philipp Gesang

3:33 p.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Hi Wolfgang! ·········

...

Am 11.06.2012 um 21:06 schrieb Philipp Gesang:

...
Hi Hans!

·········

...
On 11-6-2012 10:01, Philipp Gesang wrote:

...
Hi all,

there appears to be something special about how the key-value list works with \setuplabeltext:

······································································· \setuplabeltext [ foo=bar, %% <- comma not allowed here? % foo=bar %% <- works ] \starttext \labeltext{foo} \stoptext ·······································································

Normally the trailing comma causes no trouble, but here it won’t even compile.

indeed a slightly different parser is used here

I’ll watch out for these cases, then.

\definepalet has a similar problem because it uses also a custom parser.

Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way. As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here: http://wiki.contextgarden.net/From_LaTeX_to_ConTeXt#Optional_Arguments_and_S... Thanks Philipp

...

Wolfgang ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

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Aditya Mahajan

4:15 p.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On Mon, 11 Jun 2012, Philipp Gesang wrote:

...

Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way. As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here: http://wiki.contextgarden.net/From_LaTeX_to_ConTeXt#Optional_Arguments_and_S...

That is not a place where I will look for if I were confused. Perhaps it is better to create a patch entitled "Its not a bug, its a feature" (or something similar, that lists things like this (and the left vs leftflushed that is listed in the FAQ). Aditya

Aditya Mahajan

4:22 p.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On Mon, 11 Jun 2012, Aditya Mahajan wrote:

...

On Mon, 11 Jun 2012, Philipp Gesang wrote:

...
Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way. As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here: http://wiki.contextgarden.net/From_LaTeX_to_ConTeXt#Optional_Arguments_and_S...

That is not a place where I will look for if I were confused. Perhaps it is better to create a patch entitled "Its not a bug, its a feature" (or something similar, that lists things like this (and the left vs leftflushed that is listed in the FAQ).

Other potential topics that fit better on such a page: * Why is space after \externalfigure[..][..] gobbled? (in the FAQ) * Why does \framed not work in the beginning of a line (or why we need \dontleavehmode) (in the FAQ) * Why page=yes does not give a page break before sections (why we need to add continue=no) (in the ML a few days ago) * Why does marking=on not work when page-layout=print-layout (the marking is outside the page-layout). (in the ML a few weeks ago, and on tex.sx) Aditya

Philipp Gesang

4:34 p.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Hi Aditya! ·········

...

On Mon, 11 Jun 2012, Aditya Mahajan wrote:

...
On Mon, 11 Jun 2012, Philipp Gesang wrote: Other potential topics that fit better on such a page:

* Why is space after \externalfigure[..][..] gobbled? (in the FAQ) * Why does \framed not work in the beginning of a line (or why we need \dontleavehmode) (in the FAQ) * Why page=yes does not give a page break before sections (why we need to add continue=no) (in the ML a few days ago) * Why does marking=on not work when page-layout=print-layout (the marking is outside the page-layout). (in the ML a few weeks ago, and on tex.sx)

Let’s not forget the float vs. paragraph issue: http://tex.stackexchange.com/questions/56388/avoid-line-break-after-macro Philipp

Wolfgang Schuster

12 Jun 12 Jun

4:24 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Am 12.06.2012 um 00:22 schrieb Aditya Mahajan:

...

On Mon, 11 Jun 2012, Aditya Mahajan wrote:

...
On Mon, 11 Jun 2012, Philipp Gesang wrote:

...
Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way. As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here: http://wiki.contextgarden.net/From_LaTeX_to_ConTeXt#Optional_Arguments_and_S...

That is not a place where I will look for if I were confused. Perhaps it is better to create a patch entitled "Its not a bug, its a feature" (or something similar, that lists things like this (and the left vs leftflushed that is listed in the FAQ).

Other potential topics that fit better on such a page:

* Why is space after \externalfigure[..][..] gobbled? (in the FAQ)

This has in MkIV a long time ago. Wolfgang

Philipp Gesang

11 Jun 11 Jun

4:27 p.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Hi Aditya! ·········

...

On Mon, 11 Jun 2012, Philipp Gesang wrote:

...
Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way. As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here: http://wiki.contextgarden.net/From_LaTeX_to_ConTeXt#Optional_Arguments_and_S...

That is not a place where I will look for if I were confused.

Of course this was meant in addition to the respective entries in the reference, where I would look first.

...

Perhaps it is better to create a patch entitled "Its not a bug, its a feature" (or something similar, that lists things like this (and the left vs leftflushed that is listed in the FAQ).

“Caveats” might work well, but we can redirect anyways. I’d add the \setupnote vs. \setupnotation as I always have to look up which is which. Regards Philipp -- () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments

Marco

12 Jun 12 Jun

5:42 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 2012-06-11 Philipp Gesang wrote:

...

Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way.

Here's another candidate: \usepath http://article.gmane.org/gmane.comp.tex.context/75727

...

As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here:

How about unifying the interface? IMO that would make more sense then bury the “caveats” somewhere deep in the wiki. Marco

Hans Hagen

7:58 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 12-6-2012 13:42, Marco wrote:

...

On 2012-06-11 Philipp Gesang wrote:

...
Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way.

Here's another candidate: \usepath

http://article.gmane.org/gmane.comp.tex.context/75727

that's one that can be dealt with (I'll adapt that one)

...

...
As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here:

How about unifying the interface? IMO that would make more sense then bury the “caveats” somewhere deep in the wiki.

that's currently not feasable for all ----------------------------------------------------------------- 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 -----------------------------------------------------------------

Marco

8:24 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 2012-06-12 Hans Hagen wrote:

...

On 12-6-2012 13:42, Marco wrote:

...
On 2012-06-11 Philipp Gesang wrote:

...
Dear others, please contribute if you know about further setups whose parameters behave in a non-standard way.

Here's another candidate: \usepath

http://article.gmane.org/gmane.comp.tex.context/75727

that's one that can be dealt with (I'll adapt that one)

While you're at it, check \usesubpath as well. I didn't test, but assume it has the same issue.

...

...
...
As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here:

How about unifying the interface? IMO that would make more sense then bury the “caveats” somewhere deep in the wiki.

that's currently not feasable for all

What's the reason? Performance of backwards compatibility? Personally, I would sacrifice some runtime in favour of a more uniform interface. That's one of the main ideas that define ConTeXt and set it apart from other TeX macro packages. Regarding the backwards compatibility, wasn't MkIV the chance to introduce incompatible changes (changes for improving the user interface :)? Marco

Hans Hagen

8:33 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 12-6-2012 16:24, Marco wrote:

...

While you're at it, check \usesubpath as well. I didn't test, but assume it has the same issue.

uses the same code

...

...
...
...
As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here:

How about unifying the interface? IMO that would make more sense then bury the “caveats” somewhere deep in the wiki.

that's currently not feasable for all

What's the reason? Performance of backwards compatibility?

more that we cannot use the regular parser

...

Personally, I would sacrifice some runtime in favour of a more uniform interface. That's one of the main ideas that define ConTeXt and set it apart from other TeX macro packages.

if you have completed the list i can see what can be done otherwise (runtime is often not the reason esp not for macros that get used only a few times in a run)

...

Regarding the backwards compatibility, wasn't MkIV the chance to introduce incompatible changes (changes for improving the user interface :)?

Philipp Gesang

8:41 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Hi Hans! ·········

...

On 12-6-2012 16:24, Marco wrote:

...
While you're at it, check \usesubpath as well. I didn't test, but assume it has the same issue.

uses the same code

...
...
...
...
As this is quite counterintuitive, I’d like to wikify any known exceptions somewhere over here:

How about unifying the interface? IMO that would make more sense then bury the “caveats” somewhere deep in the wiki.

that's currently not feasable for all

What's the reason? Performance of backwards compatibility?

more that we cannot use the regular parser

...
Personally, I would sacrifice some runtime in favour of a more uniform interface. That's one of the main ideas that define ConTeXt and set it apart from other TeX macro packages.

if you have completed the list i can see what can be done otherwise

I’ll be collecting candidates for the wiki page until saturday and then write up a draft, maybe submit it to the list for review first. I can draw up a preliminary list first so you can have a look at it. Philipp

...

(runtime is often not the reason esp not for macros that get used only a few times in a run)

...
Regarding the backwards compatibility, wasn't MkIV the chance to introduce incompatible changes (changes for improving the user interface :)?

sure

Hans

----------------------------------------------------------------- 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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Hans Hagen

11:13 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 12-6-2012 16:41, Philipp Gesang wrote:

...

I’ll be collecting candidates for the wiki page until saturday and then write up a draft, maybe submit it to the list for review first. I can draw up a preliminary list first so you can have a look at it.

next week is ok Hans ----------------------------------------------------------------- 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 -----------------------------------------------------------------

Philipp Gesang

16 Jun 16 Jun

7:19 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

Hi Hans! ·········

...

On 12-6-2012 16:41, Philipp Gesang wrote:

...
I’ll be collecting candidates for the wiki page until saturday and then write up a draft, maybe submit it to the list for review first. I can draw up a preliminary list first so you can have a look at it.

next week is ok

Here’s some pre-alpha draft version with some links I collected: https://gist.github.com/2941284 (The gist is auto-converted; use the “raw” or “edit” buttons to view the code. The content of <texcode> is messed up in the output.) Unfortunately I won’t be able to complete it this weekend as I planned to, because Reality™ demands that I spend my time on paperwork instead. This means there’s plenty of times for further suggestions. Regards Philipp -- () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments

Hans Hagen

18 Jun 18 Jun

3:46 a.m.

New subject: Exceptions to assignment syntax [was: Re: labeltext assignment]

On 16-6-2012 15:19, Philipp Gesang wrote:

...

Hi Hans!

·········

...
On 12-6-2012 16:41, Philipp Gesang wrote:

...
I’ll be collecting candidates for the wiki page until saturday and then write up a draft, maybe submit it to the list for review first. I can draw up a preliminary list first so you can have a look at it.

next week is ok

Here’s some pre-alpha draft version with some links I collected: https://gist.github.com/2941284 (The gist is auto-converted; use the “raw” or “edit” buttons to view the code. The content of <texcode> is messed up in the output.)

Unfortunately I won’t be able to complete it this weekend as I planned to, because Reality™ demands that I spend my time on paperwork instead.

palets ... the trailing comma is actually an error but anyway we can have: \def\colo_palets_define_one#1#2% get rid of { } {\doifassignmentelse{#2} % catch empty entries {\colo_palets_define_two{#1}[#2]} {\colo_palets_define_three{#1}{#2}}} \def\colo_palets_define_three#1#2% {\ifcsname\??colorpaletspecification#2\endcsname \processcommacommand[\csname\??colorpaletspecification#2\endcsname]{\colo_palets_define_one{#1}}% \fi} which then also supports: \setupcolors [x11] \definepalet [colorful] [primary=green] \definepalet [bleak] [primary=darkgray,colorful] \starttext \setuppalet [colorful] \color[primary]{Ain’t I a colorful entity?} \setuppalet [bleak] \color[primary]{Ain’t I a colorful entity?} \stoptext i.e. a hidden feature of referencing to already defined palets. Hans ----------------------------------------------------------------- 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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Aditya Mahajan
Hans Hagen
Marco
Philipp Gesang
Wolfgang Schuster

labeltext assignment

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