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-rw-r--r--pygments/lexer.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/pygments/lexer.py b/pygments/lexer.py
index e0230f1d..687d19e3 100644
--- a/pygments/lexer.py
+++ b/pygments/lexer.py
@@ -485,7 +485,9 @@ class RegexLexerMeta(LexerMeta):
str(tdef)))
continue
if isinstance(tdef, _inherit):
- # processed already
+ # should be processed already, but may not in the case of:
+ # 1. the state has no counterpart in any parent
+ # 2. the state includes more than one 'inherit'
continue
if isinstance(tdef, default):
new_state = cls._process_new_state(tdef.state, unprocessed, processed)