fix: gfm table requires leading empty line

src/rules.js

@@ -30,7 +30,7 @@ export const block = {
   lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
   // regex template, placeholders will be replaced according to different paragraph
   // interruption rules of commonmark and the original markdown spec:
-  _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html| +\n)[^\n]+)*)/,
+  _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/,
   text: /^[^\n]+/
 };
 
@@ -69,6 +69,7 @@ block.paragraph = edit(block._paragraph)
   .replace('hr', block.hr)
   .replace('heading', ' {0,3}#{1,6} ')
   .replace('|lheading', '') // setex 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[.)]) ') // only lists starting from 1 can interrupt
@@ -107,6 +108,17 @@ block.gfm.table = edit(block.gfm.table)
   .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
   .getRegex();
 
+block.gfm.paragraph = edit(block._paragraph)
+  .replace('hr', block.hr)
+  .replace('heading', ' {0,3}#{1,6} ')
+  .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
+  .replace('table', block.gfm.table) // interrupt paragraphs with table
+  .replace('blockquote', ' {0,3}>')
+  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
+  .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
+  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)')
+  .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
+  .getRegex();
 /**
  * Pedantic grammar (original John Gruber's loose markdown specification)
  */