2020-11-16 19:40:00

1 files changed, 10 insertions, 2 deletions

diff --git a/tex/context/base/mkiv/syst-ini.mkxl b/tex/context/base/mkiv/syst-ini.mkxl
index f04e2e2db..8cb2b8c1c 100644
--- a/tex/context/base/mkiv/syst-ini.mkxl
+++ b/tex/context/base/mkiv/syst-ini.mkxl
@@ -67,7 +67,9 @@
 \immutable\integerdef\morethanasciicode        62 % > used as alternative verbatim }
 \immutable\integerdef\questionmarkasciicode    63 % ? used in namespace protection
 \immutable\integerdef\atsignasciicode          64 % @ used in namespace protection
+\immutable\integerdef\leftbracketasciicode     91
 \immutable\integerdef\backslashasciicode       92 % `\\
+\immutable\integerdef\rightbracketasciicode    93
 \immutable\integerdef\circumflexasciicode      94
 \immutable\integerdef\underscoreasciicode      95
 \immutable\integerdef\leftbraceasciicode      123 % `\{
@@ -76,6 +78,8 @@
 \immutable\integerdef\tildeasciicode          126 % `\~
 \immutable\integerdef\delasciicode            127
 
+\aliased\let\percentasciicode\commentasciicode
+
 %catcode\zeroasciicode           \ignorecatcode      % `\^^@   ascii null is ignored
 \catcode\tabasciicode            \spacecatcode       % `\^^I   ascii tab is a blank space
 \catcode\formfeedasciicode       \activecatcode      % `\^^L   ascii form-feed (active, set later)
@@ -155,8 +159,8 @@
 
 \permanent\def\gobbleoneargument#-{} % will be defined later on anyway
 
-%D First we define a simplified version of the \CONTEXT\ protection mechanism.
-%D Later we will implement a better variant.
+%D First we define a simplified version of the \CONTEXT\ protection mechanism. Later
+%D we will implement a better variant.
 
 \def\unprotect
   {\edef\protect
@@ -388,6 +392,10 @@
 \newcount\globalscratchcountertwo
 \newcount\globalscratchcounterthree
 
+\mutable\let\scratchmacro   \relax
+\mutable\let\scratchmacroone\relax
+\mutable\let\scratchmacrotwo\relax
+
 %D \macros
 %D   {tempstring}