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-rw-r--r--libguile/eval.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/libguile/eval.h b/libguile/eval.h
index 56cb7ec5d..223a7d81d 100644
--- a/libguile/eval.h
+++ b/libguile/eval.h
@@ -118,13 +118,13 @@ extern SCM scm_eval_options_interface SCM_P ((SCM setting));
#define SCM_EXTEND_ENV scm_acons
-extern char scm_s_expression[];
-extern char scm_s_test[];
-extern char scm_s_body[];
-extern char scm_s_bindings[];
-extern char scm_s_variable[];
-extern char scm_s_clauses[];
-extern char scm_s_formals[];
+extern const char scm_s_expression[];
+extern const char scm_s_test[];
+extern const char scm_s_body[];
+extern const char scm_s_bindings[];
+extern const char scm_s_variable[];
+extern const char scm_s_clauses[];
+extern const char scm_s_formals[];
extern SCM scm_i_dot;
extern SCM scm_i_quote;