Index: doc/LaTeXmacros/common.tex
===================================================================
--- doc/LaTeXmacros/common.tex	(revision e9a3c69dab8368bfe2e2b0b2dde654c0af9a58cd)
+++ doc/LaTeXmacros/common.tex	(revision 2edd80ae7bb41eee0783cfcc80573f533b6ee760)
@@ -11,6 +11,6 @@
 %% Created On       : Sat Apr  9 10:06:17 2016
 %% Last Modified By : Peter A. Buhr
-%% Last Modified On : Thu Jul 13 11:44:59 2017
-%% Update Count     : 335
+%% Last Modified On : Mon Jul 17 10:21:17 2017
+%% Update Count     : 348
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@@ -134,7 +134,7 @@
 
 % inline text and code index (cannot use ©)
-\newcommand{\Indexc}[1]{\lstinline$#1$\index{#1@\lstinline$#1$}}
+\newcommand{\Indexc}[2][\@empty]{\lstinline[#1]$#2$\index{#2@\lstinline[#1]$#2$}}
 % code index (cannot use ©)
-\newcommand{\indexc}[1]{\index{#1@\lstinline$#1$}}
+\newcommand{\indexc}[2][\@empty]{\index{#2@\lstinline[#1]$#2$}}
 
 % Denote newterms in particular font and index them without particular font and in lowercase, e.g., \newterm{abc}.