Set belowskip=0pt for code listings

I skimmed the document, and as far as I could tell, this always gives a better result.
modelica · Jun 16, 2020 · 3c4dd00 · 3c4dd00
1 parent bf340da
commit 3c4dd00
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/preamble.tex b/preamble.tex
@@ -227,6 +227,7 @@
   frame=lrtb, %
   xleftmargin=\fboxsep, %
   xrightmargin=-\fboxsep, %
+  belowskip=0pt, %
 }
 
 % Duplicate this definition here to avoid issue - and name it "fortran77" to avoid problem in LatexML