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Most of the pages in this section (https://wiki.contextgarden.net/System_Macros) are outdated and some parts either don't work anymore or there are better ways to do it.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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