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no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: ntg-context@ntg.nl X-Mailman-Version: 3.3.8 Precedence: list Reply-To: mailing list for ConTeXt users Subject: [NTG-context] Re: Using structureuservariables before the heading List-Id: mailing list for ConTeXt users Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: multipart/mixed; boundary="===============4165341745702374570==" --===============4165341745702374570== Content-Language: de-DE Content-Type: multipart/alternative; boundary="_000_ZRAP278MB0495BE64BEBEAD0F65C2FDBF83F1AZRAP278MB0495CHEP_" --_000_ZRAP278MB0495BE64BEBEAD0F65C2FDBF83F1AZRAP278MB0495CHEP_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Von: Wolfgang Schuster Gesendet: Dienstag, 12. September 2023 23:16 An: Maier, Denis Christian (UB) Cc: ntg-context@ntg.nl Betreff: Re: [NTG-context] Using structureuservariables before the heading denis.maier@unibe.ch schrieb am 12.09.2023 um = 21:38: Von: Wolfgang Schuster Gesendet: Dienstag, 12. September 2023 21:30 An: Maier, Denis Christian (UB) Cc: ntg-context@ntg.nl Betreff: Re: [NTG-context] Using structureuservariables before the heading denis.maier@unibe.ch schrieb am 12.09.2023 um = 21:24: Von: Wolfgang Schuster Gesendet: Dienstag, 12. September 2023 20:41 An: mailing list for ConTeXt users ; Maier, Denis Christian (UB) Betreff: Re: [NTG-context] Using structureuservariables before the heading denis.maier@unibe.ch schrieb am 12.09.2023 um = 17:47: Hi, is it possible to access a structureuservariable before the heading's title= ? Using the key does not seem to work. There are ways but not in a general way because you try to access the value= s before they are known to ConTeXt. To provide a proper solution you have to tell what you're trying to achieve. I'm just trying to output the author's name above a chapter heading. Do you= need more information? You can create a custom header for the chapter page and show the value of t= he author key which works without problems because the header is added after to the finis= hed page after the value is available. Another option when the name should appear in the same space as the chapter= title is a custom layout for the title. Yes, I've tried that in the original MWE: ... Here, I'm getting just before <3 Third>. So I guess this goe= s in the right direction, but \define doesn't allow for blanks etc. \startt= exdefinition and \def on the other hand gave me erros. You need a box to get the author on a separate line. % \define[2]\ChapterCommand % {\vbox % {\structureuservariable{author} % \blank % #1\space#2}} \starttexdefinition protected ChapterCommand #1#2 \vbox\bgroup \structureuservariable{author} \blank #1\space#2 \egroup \stoptexdefinition Thank you so much, Wolfgang! Why do you need protected here? I've realized that \protected\def also help= s a bit, but, of course, paragraph breaks are ignored there as well... If just found the following in the lowlevel-macros manual: So, \long is gone, but why is that? Is there a new mechanism that serves th= e same purpose? Other than using a vbox, I mean... Best, Denis --_000_ZRAP278MB0495BE64BEBEAD0F65C2FDBF83F1AZRAP278MB0495CHEP_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Von: W= olfgang Schuster <wolfgang.schuster.lists@gmail.com>
Gesendet: Dienstag, 12. September 2023 23:16
An: Maier, Denis Christian (UB) <denis.maier@unibe.ch>
Cc: ntg-context@ntg.nl
Betreff: Re: [NTG-context] Using structureuservariables before the h= eading

 

denis.maier@= unibe.ch schrieb am 12.09.2023 um 21:38:

Von: W= olfgang Schuster <wolfgang.schuster.= lists@gmail.com>
Gesendet: Dienstag, 12. September 2023 21:30
An: Maier, Denis Christian (UB) <denis.maier@unibe.ch>
Cc: ntg-context@ntg.nl
Betreff: Re: [NTG-context] Using structureuservariables before the h= eading

 

denis.maier@= unibe.ch schrieb am 12.09.2023 um 21:24:


 

Von: W= olfgang Schuster <wolfgang.schuster.= lists@gmail.com>
Gesendet: Dienstag, 12. September 2023 20:= 41
An: mailing list for ConTeXt users <ntg-context@ntg.nl>; Maier, Denis Christian (UB) <denis.maier@unibe.ch> Betreff: Re: [NTG-context] Using structureuservariables before the h= eading

 

denis.maier@= unibe.ch schrieb am 12.09.2023 um 17:47:



Hi,

 

is it possible to access a stru= ctureuservariable before the heading’s title ?=

Using the «before» key does not seem to = work.


There are ways but not in a general way because you try to access = the values
before they are known to ConTeXt. To provide a proper solution you have
to tell what you're trying to achieve.

 

I’m just trying to output t= he author’s name above a chapter heading. Do you need more informatio= n?


You can create a custom header for the chapter page and show the value of t= he author key
which works without problems because the header is added after to the finis= hed page
after the value is available.

Another option when the name should appear in the same space as the chapter= title
is a custom layout for the title.

Yes, I’ve tried that in the original MWE:<= /span>

 

…

 

Here, I’m getting «Third author&raqu= o; just before «3 Third». So I guess this goes in the right dir= ection, but \define doesn’t allow for blanks etc. \starttexdefinition and \def on the other hand gave me erros.


You need a box to get the author on a separate line.

% \define[2]\ChapterCommand
%   {\vbox
%      {\structureuservariable{author}
%      \blank
%      #1\space#2}}

\starttexdefinition protected ChapterCommand #1#2
  \vbox\bgroup
    \structureuservariable{author}
    \blank
    #1\space#2
  \egroup
\stoptexdefinition

 

Thank you so much, Wolfgang!

 

Why do you need protected here? I’ve reali= zed that \protected\def also helps a bit, but, of course, paragraph breaks = are ignored there as well…

If just found the following in the lowlevel-macr= os manual:

«Traditional TEX has three = prefixes that can be used with macros: \global, \outer and \long. The last two are no-op's in LuaMetaTEX and if you want to know w= hat they do (did) you can look it up in the TEXbook.»

So, \long is gone, but why is that? Is there a n= ew mechanism that serves the same purpose? Other than using a vbox, I mean&= #8230;

 

Best,

Denis

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