How to get rid of these HTML-entities in Files

It has been written here that HTML-entities (these ä etc) should be avoided with the exception of those that we need due to the HTML-syntax like <, >, & and maybe " and  . They were already mostly obsolete more than 20 years ago, but in those days we still did not automatically use UTF-8 …

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ä ö … in HTML

In the old days of the web, more than 20 years ago, we found a possibility to write German Umlaut letters and a lot of other letters and symbols using pure ASCII. These are called „entities„, btw. Many people, including myself, started writing web pages using these transcriptions, in the assumption that they were required. …

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