Here is my current setup:
<div style="word-break: break-all; width 50px;">... long text ...</div>
It functions just as I desire.
However, the editor is indicating:
CSS validation: 'word-break' is not a valid CSS property name.
What alternative should I use instead?
word-break is definitely valid, however, it's only supported in CSS3. Have you confirmed that your validator is configured for CSS3 and not CSS2 or an older version?
Apparently, word-break belongs to the CSS3 realm. Your text editor may not be abreast of current CSS standards and lacks a suitable alternative for this property.
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