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swfarnsworthswfarnsworth
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Special syntax error for elif block after else
Previously, having an elif block after an else block would raise a standard syntax error.
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‎Grammar/python.gram‎

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@@ -1396,6 +1396,7 @@ invalid_elif_stmt:
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invalid_else_stmt:
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| a='else' ':' NEWLINE !INDENT {
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RAISE_INDENTATION_ERROR("expected an indented block after 'else' statement on line %d", a->lineno) }
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| 'else' ':' block 'elif' { RAISE_SYNTAX_ERROR("elif not allowed after else")}
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invalid_while_stmt:
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| 'while' named_expression NEWLINE { RAISE_SYNTAX_ERROR("expected ':'") }
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| a='while' named_expression ':' NEWLINE !INDENT {

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