1 files changed, 5 insertions, 0 deletions
diff --git a/re.c b/re.c
index 8f2694b817..67f38c630e 100644
--- a/re.c
+++ b/re.c
@@ -3558,10 +3558,15 @@ Init_Regexp(void)
     rb_define_method(rb_cRegexp, "names", rb_reg_names, 0);
     rb_define_method(rb_cRegexp, "named_captures", rb_reg_named_captures, 0);
 
+    /* see Regexp.options and Regexp.new */
     rb_define_const(rb_cRegexp, "IGNORECASE", INT2FIX(ONIG_OPTION_IGNORECASE));
+    /* see Regexp.options and Regexp.new */
     rb_define_const(rb_cRegexp, "EXTENDED", INT2FIX(ONIG_OPTION_EXTEND));
+    /* see Regexp.options and Regexp.new */
     rb_define_const(rb_cRegexp, "MULTILINE", INT2FIX(ONIG_OPTION_MULTILINE));
+    /* see Regexp.options and Regexp.new */
     rb_define_const(rb_cRegexp, "FIXEDENCODING", INT2FIX(ARG_ENCODING_FIXED));
+    /* see Regexp.options and Regexp.new */
     rb_define_const(rb_cRegexp, "NOENCODING", INT2FIX(ARG_ENCODING_NONE));
 
     rb_global_variable(&reg_cache);