Fix nested elements inside lists

"# foo" should be parsed as "h1", not as a continuation
---
   -   test
       # foo
---

lib/lexer_block/blockquote.js

@@ -12,9 +12,6 @@ module.exports = function blockquote(state, startLine, endLine, silent) {
       pos = state.bMarks[startLine] + state.tShift[startLine],
       max = state.eMarks[startLine];
 
-  // should not have > 3 leading spaces
-  if (state.tShift[startLine] > 3) { return false; }
-
   if (pos > max) { return false; }
 
   // check the block quote marker

lib/lexer_block/heading.js

@@ -10,13 +10,8 @@ var skipCharsBack   = require('../helpers').skipCharsBack;
 
 module.exports = function heading(state, startLine, endLine, silent) {
   var ch, level,
-      pos = state.bMarks[startLine],
-      max = state.eMarks[startLine],
-      offset = state.tShift[startLine];
-
-  if (offset > 3) { return false; }
-
-  pos += offset;
+      pos = state.bMarks[startLine] + state.tShift[startLine],
+      max = state.eMarks[startLine];
 
   if (pos >= max) { return false; }
 

lib/lexer_block/hr.js

@@ -11,9 +11,6 @@ module.exports = function hr(state, startLine, endLine, silent) {
       pos = state.bMarks[startLine],
       max = state.eMarks[startLine];
 
-  // should not have > 3 leading spaces
-  if (state.tShift[startLine] - state.blkIndent > 3) { return false; }
-
   pos += state.tShift[startLine];
 
   if (pos > max) { return false; }

lib/lexer_block/list.js

@@ -12,8 +12,6 @@ var skipSpaces = require('../helpers').skipSpaces;
 function skipBulletListMarker(state, startLine) {
   var marker, pos, max;
 
-  if (state.tShift[startLine] - state.blkIndent > 3) { return -1; }
-
   pos = state.bMarks[startLine] + state.tShift[startLine];
   max = state.eMarks[startLine];
 

lib/lexer_block/paragraph.js

@@ -15,7 +15,11 @@ module.exports = function paragraph(state, startLine/*, endLine*/) {
   endLine = state.lineMax;
 
   // jump line-by-line until empty one or EOF
-  while (nextLine < endLine && !isEmpty(state, nextLine)) {
+  for (; nextLine < endLine && !isEmpty(state, nextLine); nextLine++) {
+    // this would be a code block normally, but after paragraph
+    // it's considered a lazy continuation regardless of what's there
+    if (state.tShift[nextLine] - state.blkIndent > 3) { continue; }
+
     // Some tags can terminate paragraph without empty line.
     if (rules_named.fences(state, nextLine, endLine, true)) { break; }
     if (rules_named.hr(state, nextLine, endLine, true)) { break; }
@@ -27,7 +31,6 @@ module.exports = function paragraph(state, startLine/*, endLine*/) {
     if (rules_named.table(state, nextLine, endLine, true)) { break; }
     //if (rules_named.tag(state, nextLine, endLine, true)) { break; }
     //if (rules_named.def(state, nextLine, endLine, true)) { break; }
-    nextLine++;
   }
 
   state.tokens.push({ type: 'paragraph_open' });