Improve formatting of lists

List layout adjustments in the SKS LaTeX path: list item spacing and the
surrounding document style tuned in list.py, latex_util.py,
document.sty, and block.k.

Assembled from dev commit f34e66a4dbfb.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

sks/list/list.py

@@ -81,9 +81,12 @@ class Define(klammer_base.Klammer_base):
                     'c' : r'\normalfont\ttfamily',
                     's' : r'\normalfont\sffamily'}[self.font]
             return f"{font} {s}"
-        result = "\n\n".join([f"\\item[{fontify(term)}]\\hfill\n\\newline {definition}"
+        # The "\hfill\newline" was to force the description to the next line even if the item was small:
+        # result = "\n\n".join([f"\\item[{{{fontify(term)}}}]\\hfill\n\\newline {definition}"
+        strut = r"\rule[-8pt]{0pt}{8pt}"
+        result = "\n\n".join([f"\\item[{{{fontify(term)}{strut}}}] {definition}"
                               for term,definition in self.items])
-        result = f"\\begin{{description}}[labelindent=12pt,nosep,itemsep=6pt]\n{result}\n\\end{{description}}"
+        result = f"\\begin{{description}}[labelindent=12pt,nosep,itemsep=6pt,parsep=.5\parskip,style=nextline]\n{result}\n\\end{{description}}"
         return result
 
 # Needs to be implemented: