Let the list bullet carry its own separation exceptions

spec/flavour.md

@@ -42,9 +42,9 @@ normalizes to it through the round-trip.
   the leading delimiter of a construct that would otherwise open, re-scan from there, and repeat —
   with the opener literal the closer parses as text, so `*not emphasis*` is `\*not emphasis*`, one
   backslash.
-- Blocks separated by one blank line at document level and between CommonMark blocks outside a
-  list; two directive blocks inside a container take none. No trailing whitespace outside a code
-  block's content, single trailing newline; a document with no blocks is the empty string.
+- Blocks separated by one blank line at document level and between CommonMark blocks; two
+  directive blocks inside a container take none. No trailing whitespace outside a code block's
+  content, single trailing newline; a document with no blocks is the empty string.
 
 ## Directives