About some deprecated commands

About some deprecated commands

[Jairo A. del Rio]

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Hi, list! I've realized the following commands commented in
https://wiki.contextgarden.net/System_Macros/Expansion_Control
no longer work in LMTX:

\@EA
\@EAEAEA
\@EAEAEAEAEAEA

One just could copy them from syst-aux.mkiv, but anyways. Should it be
mentioned on the Wiki or something like that? Thank you very much.

Jairo :)

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Re: About some deprecated commands

[Wolfgang Schuster]

Jairo A. del Rio schrieb am 05.07.2020 um 16:27:
> Hi, list! I've realized the following commands commented in 
> https://wiki.contextgarden.net/System_Macros/Expansion_Control
> no longer work in LMTX:
> 
> \@EA
> \@EAEAEA
> \@EAEAEAEAEAEA
> 
> One just could copy them from syst-aux.mkiv, but anyways. Should it be 
> mentioned on the Wiki or something like that? Thank you very much.

Most of the pages in this section 
(https://wiki.contextgarden.net/System_Macros) are outdated and some 
parts either don't work anymore or there are better ways to do it. You 
should keep in mind the pages are based on an article Taco wrote 2002 
for MAPS.

The solution is to get rid of the old commands and focus on LuaTeX and 
LuaMetaTeX solutions because the second allows different TeX code. The 
following example shows one of these differences.

% LuaTeX

\def\mycommand
   {\ifxxx
      \expandafter\mycommanda
    \else\ifyyy
      \doubleexpandafter\mycommandb
    \else
      \doubleexpandafter\mycommandc
    \fi\fi}

% LuametaTeX

\def\mycommand
   {\ifxxx
      \expandafter\mycommanda
    \orelse\ifyyy
      \expandafter\mycommandb
    \else
      \expandafter\mycommandc
    \fi}

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://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : http://contextgarden.net
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