switched to xelatex and added typo check

Makefile

@@ -1,11 +1,12 @@
 .PHONY: main.pdf clean redo test_git versioned
 
 main.pdf: main.tex main.bib
-	latexmk -pdf main.tex
+	latexmk -pdfxe main.tex # use xelatex to build pdf
 
 clean:
+	latexmk -c
 	x=`biber --cache` && if [ -d "$x" ]; then $(RM) $x; fi
-	$(RM) *.out *.aux *.log *.bbl *.blg *~ *.toc *.idx *.eps dummy *.fls *.fdb_latexmk *.bcf *.run.xml
+	$(RM) *.out *.aux *.log *.bbl *.blg *~ *.toc *.idx *.eps dummy *.fls *.fdb_latexmk *.bcf *.run.xml *.xdv
 	$(RM) $(patsubst %.tex, %.ps, $(wildcard *.tex))
 	$(RM) $(patsubst %.tex, %.dvi, $(wildcard *.tex))
 	$(RM) $(patsubst %.tex, %.pdf, $(wildcard *.tex))
@@ -21,3 +22,12 @@ versioned: test_git clean main.pdf
 
 # TODO latexdiff
 # latexdiff-vc --pdf main.tex -r 123456 -r abcdef
+
+# common typos check. find words, but ignore latex comment and macros
+CT=grep -inr --include \*.tex "$${TYPO}" | grep -v ":%" | grep -v "newacronym" | grep -i --color=always "$${TYPO}"; exit 0
+check-common-typos:
+	TYPO="application" && ${CT}
+	TYPO="run-time" && ${CT}
+	TYPO="behaviour" && ${CT}
+	TYPO="ground-truth" && ${CT}
+	TYPO="groundtruth" && ${CT}

macros.tex

@@ -43,6 +43,23 @@
   \fi
 }
 
+\newcommand\bignote[1]{%
+  \ifreview
+  \begin{center}
+    \begin{minipage}{.95\linewidth}
+      \color{teal!70}\vrule width 3pt%
+      \colorbox{teal!15}{%
+        \parbox{.95\textwidth}{%
+          \textcolor{black}{\small%
+            NOTE\@: #1%
+          }%
+        }%
+      }%
+    \end{minipage}
+  \end{center}
+  \fi
+}
+
 % expressions
 \newcommand{\vs}{vs. }
 \newcommand{\ie}{{i.e.,}\xspace}
@@ -108,4 +125,4 @@
 \newcommand{\ndkbuild}{\textsf{ndk-build}\xspace}
 \newcommand{\gcc}{\textsf{gcc}\xspace}
 \newcommand{\clang}{\textsf{Clang}\xspace}
-\newcommand{\fdroid}{\textsf{F-Droid}\xspace}
+\newcommand{\fdroid}{\textsf{F-Droid}\xspace}