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-rw-r--r--mrbgems/mruby-compiler/core/parse.y4
1 files changed, 2 insertions, 2 deletions
diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
index 6913eb1b9..23bff17b2 100644
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -1383,10 +1383,10 @@ heredoc_end(parser_state *p)
/* xxx ----------------------------- */
+#define YYERROR_VERBOSE 1
%}
-%define parse.error verbose
-%define api.pure
+%pure-parser
%parse-param {parser_state *p}
%lex-param {parser_state *p}