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-rw-r--r--tex/context/base/syst-aux.mkiv20
1 files changed, 16 insertions, 4 deletions
diff --git a/tex/context/base/syst-aux.mkiv b/tex/context/base/syst-aux.mkiv
index c7be461a3..308e4b6fc 100644
--- a/tex/context/base/syst-aux.mkiv
+++ b/tex/context/base/syst-aux.mkiv
@@ -128,10 +128,16 @@
\newif\if!!doned \newif\if!!donee \newif\if!!donef
\def\!!zerocount {0} % alongside \zerocount
-\def\!!minusone {-1} % alongside \minusone
-\def\!!plusone {1} % alongside \plusone
-\def\!!plustwo {2} % alongside \plustwo
-\def\!!plusthree {3} % alongside \plusthree
+\def\!!minusone {-1} % ...
+\def\!!plusone {1} % ...
+\def\!!plustwo {2} % ...
+\def\!!plusthree {3} % ...
+\def\!!plusfour {4} % ...
+\def\!!plusfive {5} % ...
+\def\!!plussix {6} % ...
+\def\!!plusseven {7} % ...
+\def\!!pluseight {8} % ...
+\def\!!plusnine {9} % alongside \plusnine
\setnewconstant \uprotationangle 0
\setnewconstant\rightrotationangle 90
@@ -346,6 +352,12 @@
\let\if_next_blank_space_token\iffalse
\futurelet\nexttoken\syst_helpers_inspect_next_bgroup_character}
+\unexpanded\def\doifnextbgroupcselse#1#2%
+ {\let\m_syst_action_yes#1%
+ \let\m_syst_action_nop#2%
+ \let\if_next_blank_space_token\iffalse
+ \futurelet\nexttoken\syst_helpers_inspect_next_bgroup_character}
+
\def\syst_helpers_inspect_next_bgroup_character
{\ifx\nexttoken\blankspace
\expandafter\syst_helpers_reinspect_next_bgroup_character