1 files changed, 53 insertions, 53 deletions
diff --git a/tex/context/base/supp-mat.mkiv b/tex/context/base/supp-mat.mkiv
index 1adc3e0a0..48cb9ffc0 100644
--- a/tex/context/base/supp-mat.mkiv
+++ b/tex/context/base/supp-mat.mkiv
@@ -52,7 +52,7 @@
 \let\normalstopimath   \Ustopmath
 \let\normalstartdmath  \Ustartdisplaymath
 \let\normalstopdmath   \Ustopmath
-\def\normalmathaligntab{&} % \let\normalmathaligntab\aligntab
+\def\normalmathaligntab{&} % \let\normalmathaligntab\aligntab does to work well in a let to & (a def works ok)
 
 \let\normalsuper      \Usuperscript             % obsolete
 \let\normalsuber      \Usubscript               % obsolete
@@ -144,58 +144,58 @@
 \unexpanded\def\nodimension#1%
   {\unskip#1\global\let\dodimensionsignal\relax}
 
-%D \macros
-%D   {super, suber}
-%D
-%D \TEX\ uses \type{^} and \type{_} for entering super- and
-%D subscript mode. We want however a bit more control than
-%D normally provided, and therefore provide \type {\super}
-%D and \type{\suber} (\type {\sub} is already taken).
-
-\global\let\normalsuper=\normalsuperscript % will become obsolete
-\global\let\normalsuber=\normalsubscript   % will become obsolete
-
-\newcount\supersubmode
-
-\newevery\everysupersub \EverySuperSub
-
-\appendtoks \advance\supersubmode\plusone \to \everysupersub
-
-\def\super#1{\normalsuperscript{\the\everysupersub#1}}
-\def\suber#1{\normalsubscript  {\the\everysupersub#1}}
-
-%D \macros
-%D   {enablesupsub}
-%D
-%D We can let \type {^} and \type {_} act like \type {\super}
-%D and \type {\suber} by saying \type {\enablesupsub}.
-
-\bgroup
-\catcode`\^=\activecatcode
-\catcode`\_=\activecatcode
-\gdef\enablesupsub
-  {\catcode`\^=\activecatcode
-   \def^{\ifmmode\expandafter\super\else\expandafter\normalsuper\fi}%
-   \catcode`\_=\activecatcode
-   \def_{\ifmmode\expandafter\suber\else\expandafter\normalsuber\fi}}
-\egroup
-
-%D \macros
-%D   {restoremathstyle}
-%D
-%D We can pick up the current math style by calling \type
-%D {\restoremathstyle}.
-
-\def\restoremathstyle
-  {\ifmmode
-     \ifcase\supsubmode
-       \textstyle
-     \or
-       \scriptstyle
-     \else
-       \scriptscriptstyle
-     \fi
-   \fi}
+% %D \macros
+% %D   {super, suber}
+% %D
+% %D \TEX\ uses \type{^} and \type{_} for entering super- and
+% %D subscript mode. We want however a bit more control than
+% %D normally provided, and therefore provide \type {\super}
+% %D and \type{\suber} (\type {\sub} is already taken).
+%
+% \global\let\normalsuper=\normalsuperscript % will become obsolete
+% \global\let\normalsuber=\normalsubscript   % will become obsolete
+%
+% \newcount\supersubmode
+%
+% \newevery\everysupersub \EverySuperSub
+%
+% \appendtoks \advance\supersubmode\plusone \to \everysupersub
+%
+% \def\super#1{\normalsuperscript{\the\everysupersub#1}}
+% \def\suber#1{\normalsubscript  {\the\everysupersub#1}}
+%
+% %D \macros
+% %D   {enablesupsub}
+% %D
+% %D We can let \type {^} and \type {_} act like \type {\super}
+% %D and \type {\suber} by saying \type {\enablesupsub}.
+%
+% \bgroup
+% \catcode`\^=\activecatcode
+% \catcode`\_=\activecatcode
+% \gdef\enablesupsub
+%   {\catcode`\^=\activecatcode
+%    \def^{\ifmmode\expandafter\super\else\expandafter\normalsuper\fi}%
+%    \catcode`\_=\activecatcode
+%    \def_{\ifmmode\expandafter\suber\else\expandafter\normalsuber\fi}}
+% \egroup
+%
+% %D \macros
+% %D   {restoremathstyle}
+% %D
+% %D We can pick up the current math style by calling \type
+% %D {\restoremathstyle}.
+%
+% \def\restoremathstyle
+%   {\ifmmode
+%      \ifcase\supsubmode
+%        \textstyle
+%      \or
+%        \scriptstyle
+%      \else
+%        \scriptscriptstyle
+%      \fi
+%    \fi}
 
 %D \macros
 %D   {cramped}