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-rw-r--r--glcpp/glcpp-parse.y1
1 files changed, 1 insertions, 0 deletions
diff --git a/glcpp/glcpp-parse.y b/glcpp/glcpp-parse.y
index 8119de3aa5..c5c03b68fb 100644
--- a/glcpp/glcpp-parse.y
+++ b/glcpp/glcpp-parse.y
@@ -141,6 +141,7 @@ glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
%}
%pure-parser
+%error-verbose
%parse-param {glcpp_parser_t *parser}
%lex-param {glcpp_parser_t *parser}