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String#html_safe does not make a string HTML safe.
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| Loading development environment (Rails 3.2.11) | |
| 1.9.3p374 :001 > s = "<script>alert('hello')</script>" | |
| => "<script>alert('hello')</script>" | |
| 1.9.3p374 :002 > ERB::Util.html_escape s | |
| => "<script>alert('hello')</script>" | |
| 1.9.3p374 :003 > safe = s.html_safe | |
| => "<script>alert('hello')</script>" | |
| 1.9.3p374 :004 > ERB::Util.html_escape safe | |
| => "<script>alert('hello')</script>" |
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