RichTextEditor Demo
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## Set up tab spaces

The tabSpaces Property allows you set the number of spaces to be inserted when the Tab key is pressed. When tabSpaces is set to `null`,`<span style="white-space:pre"> </span>` will be inserted.

This demo shows how to customize the width of tab characters. Three tab spaces are used when the Tab key is pressed within the editor.

### Demo Code:

    enterKeyTag = "p";