[macros] Fine-tune page breaking around 'itemdecl'

Author: jensmaurer

source/macros.tex

@@ -631,9 +631,9 @@
 {
  \lstset{escapechar=@,
  xleftmargin=0em,
- midpenalty=500,
+ midpenalty=3000,
  semicolonpenalty=-50,
- endpenalty=3000,
+ endpenalty=2000,
  aboveskip=2ex,
  belowskip=0ex	% leave this alone: it keeps these things out of the
 				% footnote area