Well, the text area in that case is supposed to be there to gather user's comments, not only to test the keyboard. Therefore, I guess the "a" is correct.
Maybe I would rephrase that to "in text areas"
Well, the text area in that case is supposed to be there to gather user's comments, not only to test the keyboard. Therefore, I guess the "a" is correct.
Maybe I would rephrase that to "in text areas"