diff --git a/.gitignore b/.gitignore
index 9905df7..c251fbe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,7 @@ __pycache__
 *.gpkg-wal
 *.gpkg-shm
 
+.tmp/
 env/
 *.pyc
 *.inc.tex
diff --git a/IV/Makefile b/IV/Makefile
index 374de69..cfffea1 100644
--- a/IV/Makefile
+++ b/IV/Makefile
@@ -193,12 +193,16 @@ slides-2021-03-29.pdf: slides-2021-03-29.txt
 dump-debug_wm.sql.xz:
 	docker exec -ti wm-mj pg_dump -Uosm osm -t wm_devug | xz -v > $@
 
-release.zip: mj-msc.tex version.inc.tex vars.inc.tex \
+release.zip: mj-msc.tex mj-msc.bbl version.inc.tex vars.inc.tex \
 	$(addsuffix .pdf,$(FIGURES)) $(addsuffix .pdf,$(RIVERS)) \
 	$(shell git ls-files .)
 	-rm $@
+	mkdir -p .tmp; touch .tmp/editorial-version
 	zip $@ $^
+	zip $@ -j .tmp/editorial-version
 
+mj-msc.bbl: mj-msc.tex bib.bib
+	biber mj-msc
 
 mj-msc-gray.pdf: mj-msc.pdf
 	gs \
diff --git a/IV/mj-msc.tex b/IV/mj-msc.tex
index 44a8fc3..0e11406 100644
--- a/IV/mj-msc.tex
+++ b/IV/mj-msc.tex
@@ -24,8 +24,12 @@
 \usepackage{tikz}
 \usepackage{fancyvrb}
 %\usepackage{charter}
+%\usepackage{setspace}
+%\doublespacing
 
-\iftrue
+\IfFileExists{./editorial-version}{\def \mjEditorial {}}{}
+
+\ifx \mjEditorial \undefined
 % requires minted
 \usepackage{minted}
 \newcommand{\inputcode}[2]{\inputminted[fontsize=\small]{#1}{#2}}
@@ -33,8 +37,6 @@
 % does not require minted
 \usepackage{verbatim}
 \newcommand{\inputcode}[2]{\verbatiminput{#2}}
-\usepackage{setspace}
-\doublespacing
 \fi
 
 \input{version.inc}
@@ -534,6 +536,13 @@ This type of illustration works quite well, since polygons created from bends
 are almost never overlapping, and discriminating different backgrounds is
 easier than discriminating different line shapes or colors.
 
+\subsection{Debugging}
+
+NOTE: this will explain how intermediate debugging tables (\texttt{wm\_debug})
+work. This is not related to the algorithm, but the only the implementation
+itself (probably should come together with paper's regeneration and unit
+tests).
+
 \subsection{Merging pieces of the river into one}
 
 NOTE: explain how different river segments are merged into a single line. This