fix: keep empty list after blockquote as a sibling block

src/rules.ts

@@ -175,8 +175,23 @@ const paragraph = edit(_paragraph)
   .replace('tag', _tag) // pars can be interrupted by type (6) html blocks
   .getRegex();
 
+// inside a blockquote a bare list marker starts a sibling list, so it must
+// not be lazily continued as paragraph text (unlike a top level paragraph,
+// where an empty list cannot interrupt)
+const blockquoteParagraph = edit(_paragraph)
+  .replace('hr', hr)
+  .replace('heading', ' {0,3}#{1,6}(?:\\s|$)')
+  .replace('|lheading', '') // setext headings don't interrupt commonmark paragraphs
+  .replace('|table', '')
+  .replace('blockquote', ' {0,3}>')
+  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
+  .replace('list', ' {0,3}(?:[*+-]|1[.)])(?:[ \\t]|\\n|$)') // a bare list marker also interrupts
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
+  .replace('tag', _tag) // pars can be interrupted by type (6) html blocks
+  .getRegex();
+
 const blockquote = edit(/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/)
-  .replace('paragraph', paragraph)
+  .replace('paragraph', blockquoteParagraph)
   .getRegex();
 
 /**

test/specs/new/empty_list_after_blockquote.html

@@ -0,0 +1,13 @@
+<blockquote>
+<p>foo</p>
+</blockquote>
+<ul>
+<li></li>
+</ul>
+<blockquote>
+<p>foo
+bar</p>
+</blockquote>
+<ol>
+<li></li>
+</ol>

test/specs/new/empty_list_after_blockquote.md

@@ -0,0 +1,6 @@
+> foo
+-
+
+> foo
+> bar
+1.