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Diffstat (limited to 'tex/context/base/mkxl/core-env.mkxl')
-rw-r--r--tex/context/base/mkxl/core-env.mkxl8
1 files changed, 3 insertions, 5 deletions
diff --git a/tex/context/base/mkxl/core-env.mkxl b/tex/context/base/mkxl/core-env.mkxl
index 77e634212..0777d2823 100644
--- a/tex/context/base/mkxl/core-env.mkxl
+++ b/tex/context/base/mkxl/core-env.mkxl
@@ -383,7 +383,7 @@
%D The next one is meant for \c!setups situations, hence the check for a
%D shortcut.
-\let\m_syst_setups_asked\empty
+\lettonothing\m_syst_setups_asked
\permanent\protected\def\doprocesslocalsetups#1% sort of public, fast local variant
{\edef\m_syst_setups_asked{#1}%
@@ -623,7 +623,7 @@
\permanent\protected\def\setgvariables{\syst_variables_set[\getrawgparameters]}
\permanent\protected\def\setxvariables{\syst_variables_set[\getrawxparameters]}
-\mutable\let\currentvariableclass\empty
+\mutable\lettonothing\currentvariableclass
\tolerant\def\syst_variables_set[#1]#*[#2]#*[#3]% tricky, test on s-pre-60
{\doifelse{#2}\currentvariableclass
@@ -643,14 +643,12 @@
\permanent \def\getvariable #1#2{\begincsname\??variables#1:#2\endcsname}
\permanent\protected\def\showvariable#1#2{\showvalue{\begincsname\??variables#1:#2\endcsname}}
-\let\currentvariableclass\empty
-
%D \macros
%D {checkvariables}
%D
%D I'll probably forget that this on exists.
-\let\m_syst_variables_temp\empty
+\lettonothing\m_syst_variables_temp
\permanent\tolerant\def\checkvariables[#1]#*[#2]%
{\dogetparameters\syst_variables_check_value[#1][#2]}