Index: doc/LaTeXmacros/common.tex
===================================================================
--- doc/LaTeXmacros/common.tex	(revision 3d67f83c7f1cf71e4c8b9fe50394c8cd4480d87a)
+++ doc/LaTeXmacros/common.tex	(revision d4a4b171fb42ebca10a5f9a230862b739ac3455e)
@@ -11,6 +11,6 @@
 %% Created On       : Sat Apr  9 10:06:17 2016
 %% Last Modified By : Peter A. Buhr
-%% Last Modified On : Tue Feb  2 22:29:13 2021
-%% Update Count     : 500
+%% Last Modified On : Wed Feb  3 10:57:33 2021
+%% Update Count     : 508
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@@ -37,28 +37,31 @@
 
 \usepackage{xspace}
-\newcommand{\CFAIcon}{\textsf{C}\raisebox{\depth}{\rotatebox{180}{\textsf{A}}}\xspace} % Cforall symbolic name
-\newcommand{\CFA}{\protect\CFAIcon}		% safe for section/caption
-\newcommand{\CFL}{\textrm{Cforall}\xspace} % Cforall symbolic name
-\newcommand{\Celeven}{\textrm{C11}\xspace} % C11 symbolic name
-\newcommand{\CC}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}\xspace} % C++ symbolic name
-\newcommand{\CCeleven}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}11\xspace} % C++11 symbolic name
-\newcommand{\CCfourteen}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}14\xspace} % C++14 symbolic name
-\newcommand{\CCseventeen}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}17\xspace} % C++17 symbolic name
-\newcommand{\CCtwenty}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}20\xspace} % C++20 symbolic name
+\newcommand{\CFAIcon}{\textsf{C}\raisebox{\depth}{\rotatebox{180}{\textsf{A}}}} % Cforall icon
+\newcommand{\CFA}{\protect\CFAIcon\xspace}			% CFA symbolic name
+\newcommand{\CFL}{\textrm{Cforall}\xspace}			% Cforall non-icon name
+\newcommand{\Celeven}{\textrm{C11}\xspace}			% C11 symbolic name
+\newcommand{\CCIcon}{\textrm{C}\kern-.1em\hbox{+\kern-.25em+}} % C++ icon
+\newcommand{\CC}{\protect\CCIcon\xspace}			% C++ symbolic name
+% numbers disallowed in latex variables names => use number names
+\newcommand{\CCeleven}{\protect\CCIcon{11}\xspace}	% C++11 symbolic name
+\newcommand{\CCfourteen}{\protect\CCIcon{14}\xspace} % C++14 symbolic name
+\newcommand{\CCseventeen}{\protect\CCIcon{17}\xspace} % C++17 symbolic name
+\newcommand{\CCtwenty}{\protect\CCIcon{20}\xspace}	% C++20 symbolic name
 \newcommand{\Csharp}{C\raisebox{-0.7ex}{\Large$^\sharp$}\xspace} % C# symbolic name
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+% remove special-character warning in PDF side-bar names
 \makeatletter
-  \@ifpackageloaded{hyperref}{
-	\pdfstringdefDisableCommands{
-    \def\CFA{\CFL}
-    \def\CC{C++\xspace}
-    \def\CCeleven{C++11\xspace}
-    \def\CCfourteen{C++14\xspace}
-    \def\CCseventeen{C++17\xspace}
-    \def\CCtwenty{C++20\xspace}
-    \def\Csharp{C\#\xspace}
-    \def\lstinline{\xspace}
+\@ifpackageloaded{hyperref}{
+  \pdfstringdefDisableCommands{
+  \def\CFA{\CFL}
+  \def\CC{C++\xspace}
+  \def\CCeleven{C++11\xspace}
+  \def\CCfourteen{C++14\xspace}
+  \def\CCseventeen{C++17\xspace}
+  \def\CCtwenty{C++20\xspace}
+  \def\Csharp{C\#\xspace}
+  \def\lstinline{\xspace} % must use {} as delimiters, e.g., \lstinline{...}
   }{}
 }