Index: doc/LaTeXmacros/common.tex
===================================================================
--- doc/LaTeXmacros/common.tex	(revision 89ae7f46a494f2bdc682e89b30a0d28f572bee65)
+++ doc/LaTeXmacros/common.tex	(revision a4dd72844fbd2a790eb51b8a99662f3f01225fd7)
@@ -42,4 +42,5 @@
 \newcommand{\CCfourteen}{\rm C\kern-.1em\hbox{+\kern-.25em+}14\xspace} % C++14 symbolic name
 \newcommand{\CCseventeen}{\rm C\kern-.1em\hbox{+\kern-.25em+}17\xspace} % C++17 symbolic name
+\newcommand{\CCtwenty}{\rm C\kern-.1em\hbox{+\kern-.25em+}20} % C++20 symbolic name
 \newcommand{\Celeven}{C11\xspace}		% C11 symbolic name
 \newcommand{\Csharp}{C\raisebox{0.4ex}{\#}\xspace}	% C# symbolic name
@@ -252,5 +253,5 @@
 		_Bool,catch,catchResume,choose,_Complex,__complex,__complex__,__const,__const__,disable,dtype,enable,__extension__,
 		fallthrough,fallthru,finally,forall,ftype,_Generic,_Imaginary,inline,__label__,lvalue,_Noreturn,one_t,otype,restrict,_Static_assert,
-		_Thread_local,throw,throwResume,trait,try,typeof,__typeof,__typeof__,zero_t},
+		_Thread_local,throw,throwResume,trait,try,ttype,typeof,__typeof,__typeof__,zero_t},
 }%