Modifications

macros.tex

@@ -116,5 +116,21 @@
 \newcommand{\ID}{\ensuremath{\mathsf{ID}}\xspace}
 
 % Other
-\newcommand{\TODO}{\textbf{\textcolor{red}{TODO}}}
+\newcommand{\TODO}{\textbf{\textcolor{red}{TODO}}\xspace}
 
+
+%added by Khoa
+\newcommand{\xddots}{%
+  \raise 4pt \hbox {.}
+  \mkern 6mu
+  \raise 1pt \hbox {.}
+  \mkern 6mu
+  \raise -2pt \hbox {.}
+}
+\newcommand{\xddotss}{%
+  \raise 15pt \hbox {.}
+  \mkern 6mu
+  \raise 1pt \hbox {.}
+  \mkern 6mu
+  \raise -8pt \hbox {.}
+}