Fixed: #91, #98: Code blocks were too close to the text above.

I introduced the wrong spacing in commit 5046ee08cd which fixed a very large margin between code blocks and the text above. As it turns out this was likely caused by an upstream bug in some package or the TeX distribution. It only existed in Tex Live 2018.

eisvogel.tex

@@ -658,10 +658,10 @@ $endif$
   frameround       = ffff,
   tabsize          = 4,
   numberstyle      = \color{listing-numbers},
-  aboveskip        = -0.7em,
+  aboveskip        = 1.0em,
   belowskip        = 0.1em,
   abovecaptionskip = 0em,
-  belowcaptionskip = 1em,
+  belowcaptionskip = 1.0em,
   keywordstyle     = \color{listing-keyword}\bfseries,
   classoffset      = 0,
   sensitive        = true,