update from master

commun/commun.sty

@@ -135,6 +135,23 @@
 % 	\fontfamily{#1}%
 % 	\selectfont
 % }
+
+% make circled text
+\newcommand*\circled[1]{
+  \tikz[baseline=(char.base)]{
+    \node[shape=circle,draw,inner sep=2pt] (char) {#1};
+  }
+}
+
+% text ghosting
+\NewDocumentCommand \ghost { } {%
+    \color{white}
+}
+
+% text redding
+\NewDocumentCommand \red { } {%
+    \color{red}
+}
 %--%