Glyphless Font =link= File

This is the most compatible.

Web developers often use Unicode zero-width spaces (ZWSP) to control line breaks. However, ZWSPs are invisible but still exist as characters. If a user copies text containing a ZWSP into a terminal or a code editor, it can cause syntax errors. By using a styled for a specific span class, developers can embed invisible placeholders that are visually identical to ZWSPs but easier to manage via CSS. glyphless font