@@ -568,6 +568,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
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def_site : None ,
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format : MacroAttribute ( Symbol :: intern ( & attr. path . to_string ( ) ) ) ,
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allow_internal_unstable : false ,
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+ _allow_internal_unstable_features : <_ >:: default ( ) ,
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allow_internal_unsafe : false ,
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local_inner_macros : false ,
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edition : ext. edition ( ) ,
@@ -757,6 +758,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
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def_site : def_site_span,
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format : macro_bang_format ( path) ,
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allow_internal_unstable,
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+ _allow_internal_unstable_features : <_ >:: default ( ) ,
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allow_internal_unsafe,
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local_inner_macros,
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edition,
@@ -808,6 +810,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
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def_site : tt_span,
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format : macro_bang_format ( path) ,
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allow_internal_unstable,
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+ _allow_internal_unstable_features : <_ >:: default ( ) ,
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allow_internal_unsafe : false ,
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local_inner_macros : false ,
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edition : hygiene:: default_edition ( ) ,
@@ -849,6 +852,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
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format : macro_bang_format ( path) ,
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// FIXME probably want to follow macro_rules macros here.
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allow_internal_unstable,
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+ _allow_internal_unstable_features : <_ >:: default ( ) ,
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allow_internal_unsafe : false ,
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local_inner_macros : false ,
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edition,
@@ -924,6 +928,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
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def_site : None ,
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format : MacroAttribute ( pretty_name) ,
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allow_internal_unstable : false ,
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+ _allow_internal_unstable_features : <_ >:: default ( ) ,
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allow_internal_unsafe : false ,
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local_inner_macros : false ,
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edition : ext. edition ( ) ,
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