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-rw-r--r--README.EXT2
1 files changed, 2 insertions, 0 deletions
diff --git a/README.EXT b/README.EXT
index ba74e5c8d2..b8a486dde7 100644
--- a/README.EXT
+++ b/README.EXT
@@ -1366,6 +1366,8 @@ void rb_bug(const char *fmt, ...) ::
called under the situation caused by the bug in the interpreter. No
exception handling nor ensure execution will be done.
+Note: You can't use %i or variations of int with the fmt string message.
+
== Initialize and Start the Interpreter
The embedding API functions are below (not needed for extension libraries):