diff --git a/IV/extract-and-generate b/IV/extract-and-generate
index 726b027..266f972 100755
--- a/IV/extract-and-generate
+++ b/IV/extract-and-generate
@@ -1,27 +1,13 @@
 #!/bin/bash
 set -euo pipefail
-
 dir=$(mktemp -d)
-fname=mj-msc-all.pdf
-
-echo "Extracting all files from $fname to $dir ..."
-pdfdetach -saveall -o "$dir" "$fname"
-
-echo "Generating $dir/$fname..."
-fail=0
-make -C "$dir" -j $(nproc) "$fname" > "$dir/make.log" 2>&1 || fail=1
-
-if [[ $fail == 1 ]]; then
-    >&2 echo "Generation failed. Here are the last 10 log lines:"
-    tail -10 "$dir/make.log"
+fname=${1:-mj-msc-all.pdf}
+echo "Extracting $fname to $dir/" && pdfdetach -saveall -o "$dir" "$fname"
+echo "Generating $dir/$fname ..."
+make -j $(nproc) -C "$dir" "$fname" &> "$dir/make.log" || {
+    echo "Generation failed. Here are the last 20 log lines:"
+    tail -20 "$dir/make.log"
     exit 1
-fi
-
-open=open
-[[ $(uname) == Linux ]] && open=xdg-open
-
-echo "Opening $dir/$fname ..."
-"$open" "$dir/$fname"
-
-echo "Editor has been closed. Removing $dir"
-rm -fr "$dir"
+}
+echo "Opening $dir/$fname ..." && xdg-open "$dir/$fname"
+echo "File has been closed. Removing $dir" && rm -fr "$dir"
diff --git a/IV/mj-msc.tex b/IV/mj-msc.tex
index 979c876..bfe3f15 100644
--- a/IV/mj-msc.tex
+++ b/IV/mj-msc.tex
@@ -173,8 +173,8 @@ However, I wasn't able to find code for any of those to evaluate with my
 desired data set, or use as a basis for my own maps. \cite{wang1998line} is
 available in a commercial product.
 
-The lack of robust openly available generalization algorithm implementations
-poses a problem for map creation with free software: there is not a similar
+Lack of robust openly available generalization algorithm implementations poses
+a problem for map creation with free software: there is not a similar
 high-quality simplification algorithm to create down-scaled maps, so any
 cartographic work, which uses line generalization as part of its processing,
 will be of sub-par quality. We believe that availability of high-quality
@@ -185,6 +185,37 @@ as a whole.
 \section{Methodology}
 \label{sec:methodology}
 
+In this paper we describe {\WM} in a detail that is more useful for algorithm
+developers than the original \cite{wang1998line}: sections will be expanded,
+with more detailed illustrations next to the descriptions.
+<TODO: expand>
+
+\subsection{Automated tests}
+
+\section{Description of the implementation}
+
+\subsection{Definition of a Bend}
+
+\subsection{Gentle Inflection at End of a Bend}
+
+\subsection{Self-line Crossing When Cutting a Bend}
+
+\subsection{Attributes of a Single Bend}
+
+\subsection{Shape of a Bend}
+
+\subsection{The Context of a Bend: Isolated and Similar Bends}
+
+\subsection{Elimination Operator}
+
+\subsection{Combination Operator}
+
+\subsection{Exaggeration Operator}
+
+\section{Program Implementation}
+
+\section{Results of Experiments}
+
 \section{Conclusions}
 \label{sec:conclusions}
 
@@ -197,15 +228,17 @@ as a whole.
 
 \section{Code listings}
 
-We strongly believe ability to reproduce the results is critical for any
-    scientific work. To make it possible for this algorithm, all source
-    files and accompanying scripts have been attached to the PDF. To preview
-    the code listings and re-generate this document, run this simple script:
+We strongly believe in the ability to reproduce the results is critical for any
+    scientific work. To make it possible for this paper, all source files and
+    accompanying scripts have been attached to the PDF. To preview the code
+    listings and re-generate this document (also, re-generate the included
+    graphics), run this script (assuming name of this document is {\tt
+    mj-msc-all.pdf}):
 
 \inputminted[fontsize=\small]{bash}{extract-and-generate}
 
 A reasonably up-to-date Linux or OS X system with a working Docker installation
-is required to re-generate this document.
+is required.
 
 \end{appendices}
 \end{document}