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Something in my settings has spontaneously changed. I didn't do this.
How is it possible that the letter è has changed to è since the day before yesterday?

My Textpad has recently become unresponsive:
1. It currently loads a maximum of one document. After loading a second document, the first document disappears.
2. Accents such as é, â, etc. are no longer loaded and become ?? or number/letter combinations.