Extended layout test with comment starting at the beginning of the input.
@@ -71,7 +71,7 @@ def test_layout_nested_comments(parser_class):
"""
g = Grammar.from_string(grammar)
- in_str = """
+ in_str = """//Line comment at beginning
a b b b b // This is line comment
b b b b b b /* This is block
comment */
