One of the new features in Artisan 5 is a warning which shows if you have spelling errors in your text. These might be actual errors, or names and foreign words that are not listed in the dictionary. The warning will show you what the problem is, if you hover over the yellow triangle. To get rid of a spelling warning, you can correct the spelling, add the word to your user dictionary, or turn off  or modify the warnings if you really want to. Regardless of what you do, the warnings are there to help you, and they DO NOT print on your pages.

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