Avoid shadow copy for inline containers

lib/rules_block/heading.js

@@ -51,7 +51,8 @@ module.exports = function heading(state, startLine, endLine, silent) {
     state.tokens.push({
       type: 'inline',
       content: state.src.slice(pos, max).trim(),
-      level: state.level + 1
+      level: state.level + 1,
+      children: []
     });
   }
   state.tokens.push({ type: 'heading_close', hLevel: level, level: state.level });

lib/rules_block/lheading.js

@@ -42,7 +42,8 @@ module.exports = function lheading(state, startLine, endLine, silent) {
   state.tokens.push({
     type: 'inline',
     content: state.src.slice(pos, state.eMarks[startLine]).trim(),
-    level: state.level + 1
+    level: state.level + 1,
+    children: []
   });
   state.tokens.push({
     type: 'heading_close',

lib/rules_block/paragraph.js

@@ -43,7 +43,8 @@ module.exports = function paragraph(state, startLine/*, endLine*/) {
     state.tokens.push({
       type: 'inline',
       content: content,
-      level: state.level + 1
+      level: state.level + 1,
+      children: []
     });
     state.tokens.push({ type: 'paragraph_close', level: state.level });
   }

lib/rules_block/table.js

@@ -64,7 +64,8 @@ module.exports = function table(state, startLine, endLine, silent) {
     state.tokens.push({
       type: 'inline',
       content: rows[i].trim(),
-      level: state.level
+      level: state.level,
+      children: []
     });
     state.tokens.push({ type: 'th_close', level: --state.level });
   }
@@ -85,7 +86,9 @@ module.exports = function table(state, startLine, endLine, silent) {
       state.tokens.push({ type: 'td_open', align: aligns[i], level: state.level++ });
       state.tokens.push({
         type: 'inline',
-        content: rows[i].replace(/^\|? *| *\|?$/g, '')
+        content: rows[i].replace(/^\|? *| *\|?$/g, ''),
+        level: state.level,
+        children: []
       });
       state.tokens.push({ type: 'td_close', level: --state.level });
     }