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-rw-r--r--language/bytecode.ott1
1 files changed, 1 insertions, 0 deletions
diff --git a/language/bytecode.ott b/language/bytecode.ott
index bd60072a..5977aae2 100644
--- a/language/bytecode.ott
+++ b/language/bytecode.ott
@@ -51,6 +51,7 @@ grammar
% expressions, used by the aval and cval types.
fragment :: 'F_' ::=
| id :: :: id
+ | '&' id :: :: ref
| value :: :: lit
| have_exception :: :: have_exception
| current_exception :: :: current_exception