Document newsearch_opacity setting. (Note different spelling from
what's in the code, to match spelling of other properties. I will
change the code accordingly.)
records,
results
+newsearch_opacity records, float If defined, a fractional value between in the range 0.0 (transparent) to 1.0
+ facets (opaque), and the widget fades to that opacity when a new search is
+ submitted (reverting to full opacity when data arrives).
+
paragraphs reference int Limits the number of paragraphs rendered to the specified number. If
omitted, there is no limit.