I think you're confusing things: warnings are never fatal, since they don't necessarily indicate a "programming error". Warnings are just hints to the programmer. A syntax error isn't a warning, it's a fatal error.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^6: "possible typo" warnings in modules by Joost
in thread "possible typo" warnings in modules by almut

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