diff --git a/examples/standalone/json_parser.py b/examples/standalone/json_parser.py
index f270ade..04fd6ac 100644
--- a/examples/standalone/json_parser.py
+++ b/examples/standalone/json_parser.py
@@ -1,4 +1,4 @@
-# The file was automatically generated by Lark v0.8.0rc1
+# The file was automatically generated by Lark v0.8.0
 #
 #
 #   Lark Stand-alone Generator Tool
@@ -1432,7 +1432,7 @@ def inplace_transformer(func):
     return f
 
 def apply_visit_wrapper(func, name, wrapper):
-    if wrapper is visitors._vargs_meta or wrapper is visitors._vargs_meta_inline:
+    if wrapper is _vargs_meta or wrapper is _vargs_meta_inline:
         raise NotImplementedError("Meta args not supported for internal transformer")
     @wraps(func)
     def f(children):
@@ -1815,7 +1815,7 @@ class LarkOptions(Serialize):
         'start': 'start',
         'priority': 'auto',
         'ambiguity': 'auto',
-        'propagate_positions': True,
+        'propagate_positions': False,
         'lexer_callbacks': {},
         'maybe_placeholders': True,
         'edit_terminals': None,
@@ -2047,10 +2047,10 @@ class Lark(Serialize):
 
 
 DATA = (
-{'rules': [{'@': 27}, {'@': 31}, {'@': 26}, {'@': 13}, {'@': 25}, {'@': 18}, {'@': 16}, {'@': 24}, {'@': 22}, {'@': 17}, {'@': 28}, {'@': 30}, {'@': 20}, {'@': 29}, {'@': 21}, {'@': 23}, {'@': 15}, {'@': 19}, {'@': 12}, {'@': 14}], 'parser': {'lexer_conf': {'tokens': [{'@': 0}, {'@': 1}, {'@': 2}, {'@': 3}, {'@': 4}, {'@': 5}, {'@': 6}, {'@': 7}, {'@': 8}, {'@': 9}, {'@': 10}, {'@': 11}], 'ignore': [u'WS'], '__type__': 'LexerConf'}, 'parser': {'tokens': {0: 'LBRACE', 1: u'FALSE', 2: u'string', 3: u'object', 4: u'NULL', 5: u'SIGNED_NUMBER', 6: u'value', 7: 'start', 8: 'LSQB', 9: u'ESCAPED_STRING', 10: u'TRUE', 11: u'array', 12: 'COMMA', 13: 'RBRACE', 14: u'pair', 15: 'COLON', 16: 'RSQB', 17: '$END', 18: '__anon_star_1', 19: '__anon_star_0'}, 'states': {0: {0: (0, 33), 1: (0, 8), 2: (0, 5), 3: (0, 32), 4: (0, 23), 5: (0, 24), 6: (0, 28), 7: (0, 11), 8: (0, 25), 9: (0, 20), 10: (0, 13), 11: (0, 26)}, 1: {12: (0, 2), 13: (0, 31)}, 2: {9: (0, 20), 2: (0, 4), 14: (0, 6)}, 3: {12: (1, {'@': 12}), 13: (1, {'@': 12})}, 4: {15: (0, 15)}, 5: {16: (1, {'@': 13}), 17: (1, {'@': 13}), 12: (1, {'@': 13}), 13: (1, {'@': 13})}, 6: {12: (1, {'@': 14}), 13: (1, {'@': 14})}, 7: {16: (1, {'@': 15}), 12: (1, {'@': 15})}, 8: {16: (1, {'@': 16}), 17: (1, {'@': 16}), 12: (1, {'@': 16}), 13: (1, {'@': 16})}, 9: {0: (0, 33), 1: (0, 8), 2: (0, 5), 3: (0, 32), 4: (0, 23), 5: (0, 24), 6: (0, 14), 8: (0, 25), 9: (0, 20), 10: (0, 13), 11: (0, 26)}, 10: {16: (1, {'@': 17}), 17: (1, {'@': 17}), 12: (1, {'@': 17}), 13: (1, {'@': 17})}, 11: {}, 12: {18: (0, 1), 12: (0, 21), 13: (0, 16)}, 13: {16: (1, {'@': 18}), 17: (1, {'@': 18}), 12: (1, {'@': 18}), 13: (1, {'@': 18})}, 14: {16: (1, {'@': 19}), 12: (1, {'@': 19})}, 15: {0: (0, 33), 1: (0, 8), 2: (0, 5), 3: (0, 32), 4: (0, 23), 5: (0, 24), 6: (0, 17), 8: (0, 25), 9: (0, 20), 10: (0, 13), 11: (0, 26)}, 16: {16: (1, {'@': 20}), 17: (1, {'@': 20}), 12: (1, {'@': 20}), 13: (1, {'@': 20})}, 17: {12: (1, {'@': 21}), 13: (1, {'@': 21})}, 18: {16: (1, {'@': 22}), 17: (1, {'@': 22}), 12: (1, {'@': 22}), 13: (1, {'@': 22})}, 19: {16: (0, 18), 12: (0, 9)}, 20: {16: (1, {'@': 23}), 17: (1, {'@': 23}), 12: (1, {'@': 23}), 13: (1, {'@': 23}), 15: (1, {'@': 23})}, 21: {9: (0, 20), 2: (0, 4), 14: (0, 3)}, 22: {16: (0, 10), 19: (0, 19), 12: (0, 27)}, 23: {16: (1, {'@': 24}), 17: (1, {'@': 24}), 12: (1, {'@': 24}), 13: (1, {'@': 24})}, 24: {16: (1, {'@': 25}), 17: (1, {'@': 25}), 12: (1, {'@': 25}), 13: (1, {'@': 25})}, 25: {0: (0, 33), 1: (0, 8), 2: (0, 5), 3: (0, 32), 4: (0, 23), 5: (0, 24), 6: (0, 22), 8: (0, 25), 9: (0, 20), 10: (0, 13), 11: (0, 26), 16: (0, 29)}, 26: {16: (1, {'@': 26}), 17: (1, {'@': 26}), 12: (1, {'@': 26}), 13: (1, {'@': 26})}, 27: {0: (0, 33), 1: (0, 8), 2: (0, 5), 3: (0, 32), 4: (0, 23), 5: (0, 24), 6: (0, 7), 8: (0, 25), 9: (0, 20), 10: (0, 13), 11: (0, 26)}, 28: {17: (1, {'@': 27})}, 29: {16: (1, {'@': 28}), 17: (1, {'@': 28}), 12: (1, {'@': 28}), 13: (1, {'@': 28})}, 30: {16: (1, {'@': 29}), 17: (1, {'@': 29}), 12: (1, {'@': 29}), 13: (1, {'@': 29})}, 31: {16: (1, {'@': 30}), 17: (1, {'@': 30}), 12: (1, {'@': 30}), 13: (1, {'@': 30})}, 32: {16: (1, {'@': 31}), 17: (1, {'@': 31}), 12: (1, {'@': 31}), 13: (1, {'@': 31})}, 33: {9: (0, 20), 2: (0, 4), 13: (0, 30), 14: (0, 12)}}, 'end_states': {'start': 11}, 'start_states': {'start': 0}}, '__type__': 'LALR_ContextualLexer', 'start': ['start']}, '__type__': 'Lark', 'options': {'transformer': None, 'lexer': 'contextual', 'lexer_callbacks': {}, 'debug': False, 'postlex': None, 'parser': 'lalr', 'cache_grammar': False, 'tree_class': None, 'priority': None, 'start': ['start'], 'keep_all_tokens': False, 'ambiguity': 'auto', 'edit_terminals': None, 'propagate_positions': True, 'maybe_placeholders': True}}
+{'rules': [{'@': 26}, {'@': 30}, {'@': 25}, {'@': 31}, {'@': 23}, {'@': 19}, {'@': 14}, {'@': 22}, {'@': 27}, {'@': 16}, {'@': 28}, {'@': 12}, {'@': 24}, {'@': 29}, {'@': 20}, {'@': 21}, {'@': 15}, {'@': 13}, {'@': 17}, {'@': 18}], 'parser': {'lexer_conf': {'tokens': [{'@': 0}, {'@': 1}, {'@': 2}, {'@': 3}, {'@': 4}, {'@': 5}, {'@': 6}, {'@': 7}, {'@': 8}, {'@': 9}, {'@': 10}, {'@': 11}], 'ignore': [u'WS'], '__type__': 'LexerConf'}, 'parser': {'tokens': {0: 'RSQB', 1: 'COMMA', 2: 'RBRACE', 3: '$END', 4: u'__array_star_0', 5: 'COLON', 6: u'pair', 7: u'ESCAPED_STRING', 8: u'string', 9: 'LBRACE', 10: u'FALSE', 11: u'object', 12: u'NULL', 13: u'SIGNED_NUMBER', 14: u'value', 15: u'array', 16: u'TRUE', 17: 'LSQB', 18: u'__object_star_1', 19: 'start'}, 'states': {0: {0: (1, {'@': 12}), 1: (1, {'@': 12}), 2: (1, {'@': 12}), 3: (1, {'@': 12})}, 1: {0: (0, 11), 1: (0, 20), 4: (0, 17)}, 2: {1: (0, 23), 2: (0, 0)}, 3: {5: (0, 12)}, 4: {8: (0, 3), 6: (0, 13), 7: (0, 21)}, 5: {8: (0, 3), 2: (0, 30), 6: (0, 19), 7: (0, 21)}, 6: {0: (0, 29), 7: (0, 21), 8: (0, 33), 9: (0, 5), 10: (0, 8), 11: (0, 31), 12: (0, 22), 13: (0, 24), 14: (0, 1), 15: (0, 26), 16: (0, 16), 17: (0, 6)}, 7: {0: (1, {'@': 13}), 1: (1, {'@': 13})}, 8: {0: (1, {'@': 14}), 1: (1, {'@': 14}), 2: (1, {'@': 14}), 3: (1, {'@': 14})}, 9: {0: (1, {'@': 15}), 1: (1, {'@': 15})}, 10: {7: (0, 21), 8: (0, 33), 9: (0, 5), 10: (0, 8), 11: (0, 31), 12: (0, 22), 13: (0, 24), 14: (0, 7), 15: (0, 26), 16: (0, 16), 17: (0, 6)}, 11: {0: (1, {'@': 16}), 1: (1, {'@': 16}), 2: (1, {'@': 16}), 3: (1, {'@': 16})}, 12: {7: (0, 21), 8: (0, 33), 9: (0, 5), 10: (0, 8), 11: (0, 31), 12: (0, 22), 13: (0, 24), 14: (0, 18), 15: (0, 26), 16: (0, 16), 17: (0, 6)}, 13: {1: (1, {'@': 17}), 2: (1, {'@': 17})}, 14: {}, 15: {1: (1, {'@': 18}), 2: (1, {'@': 18})}, 16: {0: (1, {'@': 19}), 1: (1, {'@': 19}), 2: (1, {'@': 19}), 3: (1, {'@': 19})}, 17: {0: (0, 28), 1: (0, 10)}, 18: {1: (1, {'@': 20}), 2: (1, {'@': 20})}, 19: {1: (0, 4), 18: (0, 2), 2: (0, 25)}, 20: {7: (0, 21), 8: (0, 33), 9: (0, 5), 10: (0, 8), 11: (0, 31), 12: (0, 22), 13: (0, 24), 14: (0, 9), 15: (0, 26), 16: (0, 16), 17: (0, 6)}, 21: {0: (1, {'@': 21}), 1: (1, {'@': 21}), 2: (1, {'@': 21}), 3: (1, {'@': 21}), 5: (1, {'@': 21})}, 22: {0: (1, {'@': 22}), 1: (1, {'@': 22}), 2: (1, {'@': 22}), 3: (1, {'@': 22})}, 23: {8: (0, 3), 6: (0, 15), 7: (0, 21)}, 24: {0: (1, {'@': 23}), 1: (1, {'@': 23}), 2: (1, {'@': 23}), 3: (1, {'@': 23})}, 25: {0: (1, {'@': 24}), 1: (1, {'@': 24}), 2: (1, {'@': 24}), 3: (1, {'@': 24})}, 26: {0: (1, {'@': 25}), 1: (1, {'@': 25}), 2: (1, {'@': 25}), 3: (1, {'@': 25})}, 27: {3: (1, {'@': 26})}, 28: {0: (1, {'@': 27}), 1: (1, {'@': 27}), 2: (1, {'@': 27}), 3: (1, {'@': 27})}, 29: {0: (1, {'@': 28}), 1: (1, {'@': 28}), 2: (1, {'@': 28}), 3: (1, {'@': 28})}, 30: {0: (1, {'@': 29}), 1: (1, {'@': 29}), 2: (1, {'@': 29}), 3: (1, {'@': 29})}, 31: {0: (1, {'@': 30}), 1: (1, {'@': 30}), 2: (1, {'@': 30}), 3: (1, {'@': 30})}, 32: {7: (0, 21), 8: (0, 33), 9: (0, 5), 10: (0, 8), 11: (0, 31), 12: (0, 22), 13: (0, 24), 14: (0, 27), 15: (0, 26), 16: (0, 16), 17: (0, 6), 19: (0, 14)}, 33: {0: (1, {'@': 31}), 1: (1, {'@': 31}), 2: (1, {'@': 31}), 3: (1, {'@': 31})}}, 'end_states': {'start': 14}, 'start_states': {'start': 32}}, '__type__': 'LALR_ContextualLexer', 'start': ['start']}, '__type__': 'Lark', 'options': {'transformer': None, 'lexer': 'contextual', 'lexer_callbacks': {}, 'debug': False, 'postlex': None, 'parser': 'lalr', 'cache_grammar': False, 'tree_class': None, 'priority': None, 'start': ['start'], 'keep_all_tokens': False, 'ambiguity': 'auto', 'edit_terminals': None, 'propagate_positions': False, 'maybe_placeholders': True}}
 )
 MEMO = (
-{0: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [2, 4294967295], 'flags': [], 'value': u'\\".*?(?<!\\\\)(\\\\\\\\)*?\\"'}, '__type__': 'TerminalDef', 'name': u'ESCAPED_STRING'}, 1: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [1, 4294967295], 'flags': [], 'value': u'(?:[ \t\x0c\r\n])+'}, '__type__': 'TerminalDef', 'name': u'WS'}, 2: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [1, 4294967295], 'flags': [], 'value': u'(?:(?:\\+|\\-))?(?:(?:(?:[0-9])+(?:e|E)(?:(?:\\+|\\-))?(?:[0-9])+|(?:(?:[0-9])+\\.(?:(?:[0-9])+)?|\\.(?:[0-9])+)(?:(?:e|E)(?:(?:\\+|\\-))?(?:[0-9])+)?)|(?:[0-9])+)'}, '__type__': 'TerminalDef', 'name': u'SIGNED_NUMBER'}, 3: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'true'}, '__type__': 'TerminalDef', 'name': u'TRUE'}, 4: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'false'}, '__type__': 'TerminalDef', 'name': u'FALSE'}, 5: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'null'}, '__type__': 'TerminalDef', 'name': u'NULL'}, 6: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u','}, '__type__': 'TerminalDef', 'name': 'COMMA'}, 7: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'['}, '__type__': 'TerminalDef', 'name': 'LSQB'}, 8: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u']'}, '__type__': 'TerminalDef', 'name': 'RSQB'}, 9: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'{'}, '__type__': 'TerminalDef', 'name': 'LBRACE'}, 10: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'}'}, '__type__': 'TerminalDef', 'name': 'RBRACE'}, 11: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u':'}, '__type__': 'TerminalDef', 'name': 'COLON'}, 12: {'origin': {'__type__': 'NonTerminal', 'name': '__anon_star_1'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'pair'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 13: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'string'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 2}, 14: {'origin': {'__type__': 'NonTerminal', 'name': '__anon_star_1'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': '__anon_star_1'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'pair'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 15: {'origin': {'__type__': 'NonTerminal', 'name': '__anon_star_0'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 16: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'FALSE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'false', 'order': 5}, 17: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'__type__': 'NonTerminal', 'name': u'value'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 18: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'TRUE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'true', 'order': 4}, 19: {'origin': {'__type__': 'NonTerminal', 'name': '__anon_star_0'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': '__anon_star_0'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 20: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'__type__': 'NonTerminal', 'name': u'pair'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 21: {'origin': {'__type__': 'NonTerminal', 'name': u'pair'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'string'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COLON'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 22: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'__type__': 'NonTerminal', 'name': u'value'}, {'__type__': 'NonTerminal', 'name': '__anon_star_0'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 23: {'origin': {'__type__': 'NonTerminal', 'name': u'string'}, '__type__': 'Rule', 'expansion': [{'filter_out': False, '__type__': 'Terminal', 'name': u'ESCAPED_STRING'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 24: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'NULL'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'null', 'order': 6}, 25: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': False, '__type__': 'Terminal', 'name': u'SIGNED_NUMBER'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'number', 'order': 3}, 26: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'array'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 1}, 27: {'origin': {'__type__': 'NonTerminal', 'name': u'start'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 0}, 28: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': [False, True, False], 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 2}, 29: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': [False, True, False], 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 2}, 30: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'__type__': 'NonTerminal', 'name': u'pair'}, {'__type__': 'NonTerminal', 'name': '__anon_star_1'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 31: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'object'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 0}}
+{0: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [2, 4294967295], 'flags': [], 'value': u'\\".*?(?<!\\\\)(\\\\\\\\)*?\\"'}, '__type__': 'TerminalDef', 'name': u'ESCAPED_STRING'}, 1: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [1, 4294967295], 'flags': [], 'value': u'(?:[ \t\x0c\r\n])+'}, '__type__': 'TerminalDef', 'name': u'WS'}, 2: {'priority': 1, 'pattern': {'__type__': 'PatternRE', '_width': [1, 4294967295], 'flags': [], 'value': u'(?:(?:\\+|\\-))?(?:(?:(?:[0-9])+(?:e|E)(?:(?:\\+|\\-))?(?:[0-9])+|(?:(?:[0-9])+\\.(?:(?:[0-9])+)?|\\.(?:[0-9])+)(?:(?:e|E)(?:(?:\\+|\\-))?(?:[0-9])+)?)|(?:[0-9])+)'}, '__type__': 'TerminalDef', 'name': u'SIGNED_NUMBER'}, 3: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'true'}, '__type__': 'TerminalDef', 'name': u'TRUE'}, 4: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'false'}, '__type__': 'TerminalDef', 'name': u'FALSE'}, 5: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'null'}, '__type__': 'TerminalDef', 'name': u'NULL'}, 6: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u','}, '__type__': 'TerminalDef', 'name': 'COMMA'}, 7: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'['}, '__type__': 'TerminalDef', 'name': 'LSQB'}, 8: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u']'}, '__type__': 'TerminalDef', 'name': 'RSQB'}, 9: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'{'}, '__type__': 'TerminalDef', 'name': 'LBRACE'}, 10: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u'}'}, '__type__': 'TerminalDef', 'name': 'RBRACE'}, 11: {'priority': 1, 'pattern': {'__type__': 'PatternStr', 'flags': [], 'value': u':'}, '__type__': 'TerminalDef', 'name': 'COLON'}, 12: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'__type__': 'NonTerminal', 'name': u'pair'}, {'__type__': 'NonTerminal', 'name': u'__object_star_1'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 13: {'origin': {'__type__': 'NonTerminal', 'name': u'__array_star_0'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'__array_star_0'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 14: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'FALSE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'false', 'order': 5}, 15: {'origin': {'__type__': 'NonTerminal', 'name': u'__array_star_0'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 16: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'__type__': 'NonTerminal', 'name': u'value'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 17: {'origin': {'__type__': 'NonTerminal', 'name': u'__object_star_1'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'pair'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 18: {'origin': {'__type__': 'NonTerminal', 'name': u'__object_star_1'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'__object_star_1'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COMMA'}, {'__type__': 'NonTerminal', 'name': u'pair'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 19: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'TRUE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'true', 'order': 4}, 20: {'origin': {'__type__': 'NonTerminal', 'name': u'pair'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'string'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'COLON'}, {'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 21: {'origin': {'__type__': 'NonTerminal', 'name': u'string'}, '__type__': 'Rule', 'expansion': [{'filter_out': False, '__type__': 'Terminal', 'name': u'ESCAPED_STRING'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 22: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': u'NULL'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'null', 'order': 6}, 23: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'filter_out': False, '__type__': 'Terminal', 'name': u'SIGNED_NUMBER'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': u'number', 'order': 3}, 24: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'__type__': 'NonTerminal', 'name': u'pair'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 1}, 25: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'array'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 1}, 26: {'origin': {'__type__': 'NonTerminal', 'name': u'start'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'value'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 0}, 27: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'__type__': 'NonTerminal', 'name': u'value'}, {'__type__': 'NonTerminal', 'name': u'__array_star_0'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 0}, 28: {'origin': {'__type__': 'NonTerminal', 'name': u'array'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LSQB'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RSQB'}], 'options': {'priority': None, 'empty_indices': [False, True, False], 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 2}, 29: {'origin': {'__type__': 'NonTerminal', 'name': u'object'}, '__type__': 'Rule', 'expansion': [{'filter_out': True, '__type__': 'Terminal', 'name': 'LBRACE'}, {'filter_out': True, '__type__': 'Terminal', 'name': 'RBRACE'}], 'options': {'priority': None, 'empty_indices': [False, True, False], 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': False}, 'alias': None, 'order': 2}, 30: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'object'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 0}, 31: {'origin': {'__type__': 'NonTerminal', 'name': u'value'}, '__type__': 'Rule', 'expansion': [{'__type__': 'NonTerminal', 'name': u'string'}], 'options': {'priority': None, 'empty_indices': (), 'keep_all_tokens': False, '__type__': 'RuleOptions', 'expand1': True}, 'alias': None, 'order': 2}}
 )
 Shift = 0
 Reduce = 1
diff --git a/lark/parse_tree_builder.py b/lark/parse_tree_builder.py
index 4ee0071..11c7fac 100644
--- a/lark/parse_tree_builder.py
+++ b/lark/parse_tree_builder.py
@@ -3,7 +3,7 @@ from .lexer import Token
 from .tree import Tree
 from .visitors import InlineTransformer # XXX Deprecated
 from .visitors import Transformer_InPlace
-from . import visitors
+from .visitors import _vargs_meta, _vargs_meta_inline
 
 ###{standalone
 from functools import partial, wraps
@@ -204,7 +204,7 @@ def inplace_transformer(func):
     return f
 
 def apply_visit_wrapper(func, name, wrapper):
-    if wrapper is visitors._vargs_meta or wrapper is visitors._vargs_meta_inline:
+    if wrapper is _vargs_meta or wrapper is _vargs_meta_inline:
         raise NotImplementedError("Meta args not supported for internal transformer")
     @wraps(func)
     def f(children):